lenswenson

This is a standing problem. When you open an image, it may be the RGB format, it may be CMYK format. If it is CMYK images into RGB images of the reason for the very full. Because, in the lattice image editing software, once for each image color space conversion, will lose some of the original image details. If you convert an image while RGB, while conversion to CMYK, the image of the details of the loss will be great. Therefore, professional designers will not easily back and forth the image color space conversion. The question now is: If you enter the process of image format allows you to select RGB or CMYK format, you will choose to do what? When you first select the RGB format, for images of the adjustment, when the image is converted to CMYK format most appropriate?

RGB is all the equipment based on optical principles used in color mode. Such as monitors, RGB mode based on the work. The RGB color range is greater than CMYK, so, RGB to the performance of many colors, especially bright, bright colors, simply print it out. This is when the color mode from RGB to CMYK conversion because when the screen is dimmed. RGB image editing in Photoshop, you can choose View menu CMYK Preview command, that is, using RGB mode editing, and in CMYK mode display. Is that a good approach, because the edit the image with the RGB efficiency is higher than with the CMYK mode, Photoshop work in CMYK mode, because of the RGB color channel, one more than the other, it use the RGB appear to simulate the CMYK monitor results, and, CMYK of the calculations and based on completely different principles of optics RGB, so, edit the image with the CMYK efficiency more naturally to the bottom.

Another way of editing images with RGB, some of the filter does not support the CMYK mode, you can image in Photoshop will convert CMYK mode, and then look at the filter menu. Also, many image editors often through subtle processes such as the pieces may have to image the contents of the portfolio together, and because of the various components of the original colors can not the same, they need to be adjusted, it may be in some way so that all parts of the synthesis and processing for filters, etc.. Whether the process is, you definitely will want to produce as much as possible and retain a variety of subtle effects, as much as possible the details of the screen with rich, who like it flat and lifeless pictures? Just said, RGB color range to be much larger than the CMYK. So, when in RGB mode when editing images in the editing process, you will get a broader color space and a more subtle effect of changing the editor, and these effects, if used well, most can be maintained. Although ultimately have to convert CMYK colors and the loss will certainly be no doubt, but why at the outset it “lost” mean?

Incidentally, both the RGB image into CMYK, CMYK, or use the CMYK Preview simulation display, play a decisive role behind the program is color separation parameters. The adjustment of the color separation parameters, will greatly affect the image of the conversion. At least, Photoshop This software has control of the color separation parameters. We specifically discussed in other articles.

Currently, very few pre-press department aware of the importance of RGB image data. Some departments have recognized the scanning and digital photography in color and revised version of the entire school during the save file should be RGB mode, and in all of the adjustment is completed, convert to CMYK. Because of these amendments through the school colors and RGB data, professional pre-press department can effectively document long-term storage. This makes the retrieval from the repository can be used in different image output devices (or other reproduction systems). This RGB image data for the emphasis in many publishing process produces a good effect, whether using system-level color separation is still using Photoshop color management method of image conversion method.

All kinds of printing, digital proofing device or computer monitor the effect of copying the same image should be strictly the same. In a separate color separation for each device when it is possible. Because the replication system in blue, products, generated between the yellow and black to produce a slightly different mix of similar appearance, it will make a separate color separation images look the same on different devices.

Observed (and measured) by the equipment to copy the color difference between the main method is to measure the required produce a neutral gray green, magenta and yellow content, which we call the gray balance reproduction system. If the image is converted to CMYK, then the re-use of different output devices, the image CMYK image requires adjusting the high light, the middle tones and shadow dot, and change the overall gray balance and color saturation. The amount of black image without compromising image quality is difficult to change, but if amendments black print image data, it will produce bad results.

For example, the original line for the high-quality sheet-fed printing press and dry the CMYK color separation images, if the cold-type printing web press will cause rubbing dirty. Compromise to amend CMYK images. RGB images can use a larger range of RGB colors to reproduce a more bright, more saturated colors. However, as the CMYK color separation in the image is, after all the pixels in the image are in the CMYK color range.

Archiving the entire printing industry development trend of RGB images, often encounter some of the experienced operators and color separation scanner specialists resistance. The old professionals in the use of rows of decorative, old-fashioned knob scanner technology to study the color separation. However, until the customer started their low-cost desktop CCD scanner to scan only heard of RGB image files for prepress. RGB image editing desktop scanner that became a threat, but a number of prepress technicians are despised in the RGB color correction and low-quality image capture connected.

In addition to RGB mode, Photoshop's Lab color mode is also good.

RGB is based on optical principles, but CMYK is the color pigments reflect light pattern. Lab has the advantage that it makes up less than the first two color mode. RGB blue and green in color between the over-many over the green and red color too little between, CMYK lost in the process of editing the color is more. Lab compensated in these aspects. Lab is also composed of three channels, L-illumination, which controls the brightness and contrast, a channel, including the color from dark green (bottom brightness values) to gray (in brightness) to sub-red light (high luminance values), b-channel including the color from light blue (bottom brightness values) to gray to yellow Focus (high brightness value). RGB mode with similar color mixing will result in brighter colors. Only the value of illumination channel changes only affect the color of light and shade. You can be seen as two-channel Lab RGB mode plus a luminance channel model.

Lab mode is device-independent, and can use this model to any one image editor. RGB mode and with the same speed, is several times faster than CMYK. Lab color mode conversion can guarantee that within CMYK color when there is no loss. In fact, whenever you convert CMYK to RGB image when, Photoshop will add an intermediate step, that is, converted to Lab mode.

Of course, to use hue, saturation and luminance (HSL) in the school color method, not the image is converted to Lab. Professional image-editing program (such as Photoshop) to RGB mode image by adjusting the HSL values, including the whole or a particular color, or between the basic colors in the HSL color values to school.

If you frequently use the Photo CD images, you can open directly to Lab mode, Kodak's proprietary YCC model is consistent with the Lab, so the conversion process will be a minimum loss of color.

For the above reasons, I edit the images in the time, if conditions allow, I tried first with Lab or RGB, converted to CMYK mode as a last resort. Once a CMYK image, do not easily turn back, and it is necessary, converted into Lab mode. (END)

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China's information industry restructuring state-owned enterprise groups, the two templates - China Electronics Corporation (the “CLP”) and China Putian Group (hereinafter referred to as “Celebration”) is preparing to merge.

According to publicly available information, the end of 2003, total assets of CLP 396 billion yuan, Putian to 33.74 billion yuan. Once the merger of the two sides will play more than 70 billion yuan create a large-scale enterprise groups.

Yesterday (8), the reporter interviewed several senior Putian, they all heard that really matter, but details unclear.

SAC Planning Board told a reporter earlier this year before the Spring Festival, the SAC discussed in internal meetings the issue of electronic manufacturing industry restructuring, consolidation of state assets hope to achieve manufacturing economies of scale. He said: “This year, the operation industry and electronics industry restructuring is the decision-making optimization of the two ideas.”

It is also in this line of thinking, this year in April, the SASAC started brewing two specific information on the feasibility of merging industry giants.

It is reported that as part of restructuring, SASAC and the relevant departments are the selection of new business group leader, has also been a preliminary delineation of several candidates. Among them, the deputy director of the State Council Information Office Chen Dawei is likely to take over the helm of one. David Chen previously served as vice governor of Guizhou Province, in charge of information industry to work in the field with considerable experience and ability.

Restructuring state-owned enterprises combined to save market

National Development and Reform Commission, an official said, the SAC program eventually take the merger, mainly because of Putian and CLP's own restructuring process has been delayed due.

He said the former president of Putian Ouyangzhongmou in office, had hoped to withdraw all of Prudential's two legal entities, which become a legal person, to strengthen the Group's control of power. At that time, he urged the integration of the same brand of measures from the Bird, Eastcom, Capitel and other powerful enterprise start.

Later appointed Xing Wei, the “controversial and had little effect in the mode of operation is not keen.” July 2004, Xing Wei, the pilot reform of the 14 delineated by a wholly owned companies are Putian, “as wholly owned, the resistance within the knife can be minimized.”

“These ideas are 'a thunder without rain''. From the internal point of view, the stagnant status quo so that staff confidence has been shaken; view from the outside world, has been subjected to' internal operation is still in the stage of negative evaluation'', etc. impact. “

Macroeconomic Research Institute of NDRC experts WANG Xue-qing, said, “Celebration of the root body for restructuring similar to the industry cluster, the three issues must be resolved before the restructuring: subordinate status of the different subsidiaries operate; property complex; restructuring varies. “

Ministry of Information Industry Policy and Regulation Department, an official of that, even if the details of the program eventually will be, due to their numerous subsidiaries, the interests involved in all aspects of the operation very difficult.

Currently, Prudential has the most focus on three business unit. A high-level sources in Putian, Putian announced the formation of three business after the official launch of its operations has, in personnel, recruitment will be based society in the past two months, basically completed the appointment and dismissal of cadres.

The executives believe that “internal restructuring and is now operational, personnel, rapid on-line, it makes Putian possible merger in the future have certain advantages.”

However, the details can not be ignored is that in the end of last year and announced 49 confirmed SAC central enterprise owners (first) list, Putian accident get the job, the CLP will top the popular list.

Who has held senior positions in the power of knowledge believe that the similarities between the CLP and Putian too many: First of all, the same hands are heavy corporate restructuring, the same is to complete the head office to the enterprise management industry change; Secondly, has a dazzling similar resources, has been advocating diversification of the target market.

The source said that the difference between the two is very clear: The CLP is a state-owned asset management company, the main task for the responsible subordinates 36 wholly owned subsidiaries, 27 shareholding companies and six foreign holding company of increasing the value; by the Ministry of Information Industry has now been merged into the electronic department, Ministry of Posts and transfiguration from, although they could be from the same pulse, but emphasis Putian styles of integration of resources, highlighting the main industry.

While both belong to the same order of magnitude of the electron from the Department of the Ministry of Posts and Telecommunications, but in some degree, by the Prudential policy support for more. A CLP insider that “if the merger finalized, the largest positive side may be Putian, despite our diversity obvious advantage.”

Re-letter sequence to start production

The industry believes that the SAC with the merger decision, the most likely reasons are not entirely state-owned enterprises from the two major issues at the main industry, but more consideration to the entire information industry, the re-allocation of resources.

“On the operation industry and manufacturing restructuring program has passed to submit phase, now in-house stage.” CATR an authoritative source said that 2005 is the largest consolidation in the telecommunications industry. Operation industry and electronics manufacturing are the two re-optimization ideas, but compared to operators reorganization, the restructuring of electricity and Putian much easier.

The source told this reporter, the SAC in order to change the distribution of assets and the poor, Business of competition pattern of unreasonable and excessive integration of the three status of the phenomenon, co-ordination in the policy can not be based on only through the portfolio and complement each other to complete outstanding high-quality business and high-quality business, highlighting the core operating strengths, complete business integration three targets.

Under the guidance of this idea, Business of reorganization already have a clear outline for the outstanding quality corporate and business, China Mobile and China Telecom remained unchanged, two small carriers Railcom and Satcom is relatively easy to solve, left China Unicom and China Netcom is under.

The source said China Unicom's dual-network operation problems, CNC internal management, the background of the complex balance of high, international issues such as color reproduction is the main obstacle to re-operation industry. In addition, as a listed company, but also to safeguard the interests of small shareholders to address the potential relevance to the capital market transactions and to avoid over-speculation during the re-occurrence.

“E-manufacturing, and operations are somewhat similar, but more important is the main industry is facing the manufacturing sector is not prominent, structural contradictions and conflict, the danger strong competitors, production capacity combined with internal friction can be avoided.”

“The Business of the importance of the inevitable adjustment in the manufacturing industry before.” The source said, this is a typical electronic manufacturing two - in combined electric and Putian important reason for delays in progress.

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In April 2005 as a mid-spring sunny Friday afternoon, a small size, the decoration simple but very clean office, a young man dressed in casual wear, furrowed brow, a moment to sit down, while another station up in the office paced. This is very competent and young people up who he is? Why did he so anxious? He seems to be waiting for the arrival of Who?

He is the national large-scale printing machinery manufacturer - Henry Printing Machinery Co., Ltd. Beijing Chen Feng, general manager of rock. Henry Chen is in Beijing well-known “high-tech enterprise”, is famous printing machinery manufacturer, mainly produce for the outside carton packaging printing machines and sheet-fed gravure printing outside the flexible sheet-fed (polishing) machine. Chen Henry company not only has strong technical force and advanced manufacturing technology, also has the perfect after-sales service system, among major cities across the country, with sales and service maintenance outlets.

As a nationally recognized leader in large traditional manufacturing companies, how will such a vibrant bright spring and then his face was covered with gloom? He was waiting for whom? What he is not pressing things to address right away?

It turned out like this: With the increasingly fierce market competition, rapid development in the Ching Henry, while also experiencing modern enterprise management requirements. With the growing size of enterprise, the traditional management alone can not meet the requirements of enterprise development, it is difficult to achieve enterprise management level, as early as the beginning of 2004, Henry's manager Chen recognized the need to help Advanced management software to improve management level and enhance production efficiency, through careful study of the market first Shangle Tao CRM system to carry out customer relationship management, Dan reality the large amounts of interoperability within the enterprise to the slow processing, fast response Bugou Deng Neibu process management mechanism of the shortage, but it is powerless and can not be solved CRM, after analysis, as traditional companies, employees in the knowledge structure, age structure and the differences in computer penetration is high, particularly widespread computer applications Comparing the level of the weak phenomenon. CRM systems can not resolve this fundamental issue of corporate governance and management of the overall problem of reality, Chen began to re-examine Henry, decided to start from the management infrastructure, through the application of OA system, renovating, “love” CRM's Henry Chen began “faithless” the.

A knock rang, Feng Yan guests arrived, and he is the only one with national influence in collaborative product manufacturer's sales representative UF Zhiyuan. UF Zhi Yuan is China's largest management software, ERP software and financial software vendors UF's professional collaboration software products company, has been working with “product-based” approach to provide customers with the scale, standardization of collaborative product services and through the application of collaborative management to achieve synergy value.

Zhi Yuan Feng total sales representative to recommend a set of collaborative management system software UFIDA Zhiyuan, this is the only product of a highly standardized collaborative software, customers not only through constant upgrades to continue to enjoy the standard of service while the application is also free from the shackles of traditional OA directly up to the collaborative management, the traditional industrial enterprises, especially manufacturing industry, many customers are already successful application of proof of this.

After a half-day detail, presentation, analysis and verification, to be prudent, Chen Henry's leadership decided to try to pass a more comprehensive understanding of UF Zhiyuan collaborative management software.

Later, after 5 days of installation, commissioning, training, deployment and initialization, running into the line, Henry Chen for all employees have a set of their own, can easily master and flexible use of office software was very pleased excited. After a month of trial, Henry Chen is typical of this traditional quality characteristics of state-owned enterprise corporate human resources at an alarming rate even gradually develop a new type of cooperative management practices: building fewer people in the shuttle, the noise becomes quiet , the complex becomes structured, process has become smoother, the permissions become clear. After work, we will report a first collaboration to: look up the company announced the latest column dynamics and the day of work plans; see if there is a new collaboration to deal with; see if there are new messages; to archive documents have been processed; led a mission does not matter, you can remotely approval; through the interconnected system into CRM customer management system, to know our customers circumstances. Of course this is only part of collaborative management system. Do not need to leave the comfortable office chair, with one click of the mouse, all went ahead, organized! Collaborative management system is quietly changing the habits of office Henry Chen, Office of the corridor will be heard from time to time the “Popular”: “Feng total, the file I give you the synergy,” “you put the case coordination thing to me “… …

Probation, Zhen Yan Feng, general manager Henry, recognized that: a traditional industrial enterprises must recognize that the road construction in the information actually is full of a variety of risks, a phased development of information technology, can not “stop-gap”, first lay a solid management foundation from the start. Market, there have been similar to the UF Zhiyuan collaborative management standard products such as collaborative OA, collaborative product development of OA of the application functionality is based on advanced business management theory and management of enterprises of different types of cases on the basis of abstract out of, combined with the practical application of continuous improvement, with mature, stable performance, not only can avoid the risk of the project, has speeded up the implementation of speed to quickly see the benefits, and the largest value of the enterprise is able to quickly lay a computer work, work with cultural practices. On this basis, then further to the development and implementation of CRM, ERP, etc. which is more professional, more complex and more risky business software, is undoubtedly part of eliminating and reducing risk, such experience should be perceived by the traditional industry.

Common understanding and goals so that Henry and UF Zhiyuan Chen came together, their “marriage”, and this is undoubtedly a good news!

We have reason to believe that: Ching Henry left a message after the construction of detours, from the beginning, starting with the day to day business aspects of office management, rationalize the basis for management, coordination of office management thought reform, promotion, integrated enterprise resource so that the information within the enterprise can fully, and share a high degree of unity, which enhance the operation of enterprises for Chen Henry competitiveness and market responsiveness, to participate in international competition, to meet the challenges of WTO undoubtedly laid the most solid management foundation!

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jusched.exe What is the process? how to disable?

Many people close to open the task bar manager of a process or look in the end what is taking up a huge system resources will find a file named “jusched.exe” process, but in that it takes a lot of resources but also hesitant , and why this process is used in the end? energy can not just end?

In fact, jusched.exe is a process related to Java, Java whenever an update is detected, this process will appear in the task bar manager process list, but the good news generally only checked once a month, but the problem is This process will take up much CPU and memory, often causing the machine very card.

In fact, if you want to disable is also very simple, open Control Panel - Additional Options-Java-Update - uncheck “Automatically detect updates” button. But if learning Java or need to be updated, it can be regularly updated with the scheduled tasks, as long as other less frequently on the line.

* Start Menu - Search Task Scheduler

* Add Scheduled Task

* Enter jusched.exe

* Path should be the C: Program FilesJavajre1.6.0_01binjucheck.exe

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. NET Framework basic requirements

The following is based on the server and the client machine classification. NET Framework's basic requirements.

Server definition: the host computer distributed applications. It can be Windows Server 2003, Windows XP Professional or Windows 2000 computer. In many cases, these computers are running ASP.NET application Web server.

Client Definition: run the installation on the local application (such as Windows applications) the computer, it may also retrieve data from remote databases or handling; or access to distributed, Web-based computer applications. These computers do not have to provide information processing services to other computers. It is Windows XP Professional, Windows XP Home, Windows 2000, Windows NT 4.0, Windows ME or Windows 98 computer.

Software

Version

Client

Server

Internet Explorer

5.01

Essential

Essential

MDAC

2.6

Database access necessary

Database access required

Windows Installer

2.0

Essential

Essential

IIS

5.0 (Windows 2000)

Unnecessary

Essential

IIS

5.1 (Windows XP)

Unnecessary

Essential

. NET framework of the basic requirements of table

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Modern shipbuilding process

2005 words fixed in the field, the most worthy of attention is the commercial process of NGN. Faced with the traditional mobile voice services, IP's pursuit and interception, getting worse; implementing innovative business and seek new growth points as fixed network operators meet the urgent needs. “Step by step implementation of the strategic transformation, from the traditional telecom business transformation to integrated information service provider” is the most fixed network operators a hot topic in 2005.

Fixed PSTN stranded

China's telecom network development for decades, made a very brilliant results. But in the 21st century, especially in the last few years, the fixed telecommunication network begin to face many new challenges: First, the decline in ARPU, a price war led to continue to lower telecommunications charges, ????????increasingly prominent phenomenon; second mobile phone on the fixed telephone triage more and more obvious; third of the fixed-line Internet business alternative has yielded good results.

As a fixed cash cow voice business in a highly competitive market environment, faced with increasing amounts of traffic diversion pressure; while another value-added services by launching some of the natural limitations of traditional PSTN, is hard to promote. Therefore, the fixed network operators need to develop new business ideas to find ideas and patterns to create universal business growth.

Face many challenges, fixed on how to continue fast, sustainable development, and the only way out is to business innovation and technology transformation. The world's telecommunications networks are faced with the task of technology transition in 2005, China's fixed-line companies have put forward the gradual implementation of the strategy to transition from traditional telecommunications companies in transition to integrated information service provider.

Business innovation and technology transformation is bound to rely on the support network, network evolution is the foundation for business innovation. However, due to various historical reasons and technical reasons, the current fixed-line models generally face many kinds of software version of the hybrid, the functional differences between different models big business, and this was fixed network operators have the following three major problems:

1. Difficult to carry out the whole network quickly unified complex intelligence operations;

2. Difficult to deploy operational and business interaction called trigger;

3. Centralized management of user data can not be achieved.

These questions is the source of PSTN network system has a natural closed. The traditional PSTN can not meet the requirements of business innovation, new business is difficult to carry out the entire network, operating costs are high, low resource utilization and sustainable development of the whole network is poor. Starting from this meaning, NGN was a fixed-line operators to provide the technical transformation and development of strategic opportunities and reviving hope.

Softswitch full bloom

Softswitch concept was first introduced in 1997 and soon received broad attention and recognition industry. In particular is in the last few years, numerous manufacturers and operators to promote the business of the joint under, Ruan exchange products Zhubu mature Gongneng increasingly Feng Fu, Xingnengzhujian Wen Ding, Biao Zhunhua Steady progress Softswitch Ji Shu Zheng Zou Xiang market.

However, the use of program-controlled switching of the PSTN network is not only very large and technically very sophisticated, easy maintenance, high reliability, its low cost of entry and replace other technologies to set up natural barriers, the most important voice Most business operators are still the main source of income. From the traditional carrier softswitch application point of view, use the soft launch of the exchange can not be achieved in many circuit switched or high operational costs is the primary motivation for the deployment of softswitch.

Commercial operators from the current test run, the soft exchange has become a recent practice to use the technology. To date, there are many within the telecommunications operator active in the soft-exchange experiments and commercial deployment. In North America, the local operating companies, 67% of operators have already deployed softswitch, 43% of enterprises have deployed long-distance carrier softswitch system; in Europe, operators on the development and application of soft-switching using a more cautious attitude, but with the soft-switching technology matures, the European carriers are also accelerated the pace of implementation of soft switching; in the Asia Pacific, Hong Kong, New Zealand, Australia, Japan, Korea and other operators in the soft-switching applications in the forefront; 2000 So far, China's telecom industry softswitch network technology for great concern, especially in 2005, China's soft switch application breakthroughs, China Telecom and China Netcom to fixed-line intelligence reform as an opportunity, in the long-distance and local level have carried out trials and commercial deployment of the application.

NGN long way to go

ITU-T SG13 group for NGN is given a wider definition: NGN is a packet network, including telecommunications services it offers, including a variety of businesses, can use a variety of bandwidth and QoS capabilities with the delivery technology, business function separation of the underlying transmission technology; It provides users with different service providers the freedom to access the network, and support the universal mobility for business users to use to achieve consistency and uniformity.

As can be seen from the above definition, next generation network will be packet-based network (currently is based on the IP packet network), to support a variety of business applications and open the industry value chain, both 3G/4G, or soft switching, NGI-peer network, will bring in more businesses (such as value-added service providers, etc.) participate in the provision of various characteristics of applications. Next-generation network will also be a fusion of the network, not only the core network integration, business and end users are also integrated. Now, from the products, technology, market and business prospects and other aspects of the trend of NGN in 2006.

1, NGN services and market

Current fixed telecommunications network to provide the essential business voice services, intelligent network can also develop some smart business (mainly cards and prepaid services), and for the first launched by the mobile ring tones and other fast-growing business, due to historical reasons and network constraints, fixed cost in the whole network is difficult to carry out quickly. Through the introduction of soft switching, not only to carry out ring tones, etc. can be quickly called class of business, but also provide personalized, differentiated value-added multimedia services. At the same time, taking into account the business needs of continuity and gradual, NGN services are provided based on the existing business, and continue to introduce new business, the process is a step by step process, rhythm and user requirements change process consistent. In particular, NGN to provide services, mainly: First, directly from the PSTN Softswitch provides the basic services and supplementary services; II softswitch as SSP, and SCP exchange in order to achieve the traditional PSTN network, intelligent network services; 3, use of application Server (AS), the value of existing business, smart business and the future of the business; 4, through PARLAY / OSA Application Interface (PARLAY gateway) will be open to third-party services, provided by a third party business; 5, and ISP / ICP or dedicated Internet platform to provide ISP / ICP and has platform-specific operations.

Softswitch business through trial can be seen, can achieve soft switching of all PSTN services, through “mode 2″ or “third way” to achieve the original smooth transition of intelligent network services, since the end of Board-level shielding difference , soft switching can be easily triggered by a variety called intelligent business. For multimedia NGN unique value-added new business, can now realize video communication, IP Centrex, ring tones on the 1st pass, Web800 and enterprise unified communications (UC) and so on.

However, through the soft-switching test business in encouraging the introduction of various new business point of view, operating companies and equipment manufacturers in 2006, much remains to be done:

??value-added business and operating companies need to combine

Softswitch value-added services not only to the provision of service equipment manufacturers capability while also facing charges, operating companies in marketing strategy, customer package design and maintenance support processes, etc. ???. Thus, in 2006, operating companies need to actual local demand, combined with value-added services to provide soft switching capabilities, associated in business promotion strategies, in order to create a more mature industry chain.

??Parlay interfaces need to further test

Parlay because of lack of third-party development interface specification guide, try the soft-switching business in the no through “four way” to provide related value-added services. The NGN multimedia features are the most basic and obvious characteristics, and standardized open interfaces, users can quickly provide a variety of customized services, is the advantages of NGN. It is to provide personalized services, the future operator will bring in huge profits. So through the Parlay gateway provided by a third party value-added telecommunications business is the development of future business trends, third-party development in 2006 through the Parlay interface will become a research focus on value-added services, Parlay standards for the development of relevant industries will also become the focus of attention.

??different manufacturers to interoperate with the work of the business platform

Current SIP / SIP-T, BICC, etc., have become the mainstream protocol softswitch system, and gradually improve, the corresponding test methods and test tools are available. Softswitch commercial test has been achieved in the different manufacturers SIP / SIP-T interoperability of equipment from different vendors actually prove the basic voice business in good interoperability. However, the SIP multimedia terminal interoperability and value-added service platform interoperability needs further verification, the value-added service platform in 2006, the exchange on the need for much research.

??the functional needs of value-added services to further improve

NGN can provide a variety of multimedia services, although the trial has already provided some commercial business, but there is more multimedia services to be developed, especially the ICT-related business. Typical applications include unified messaging services, instant messaging, multimedia conferencing telephone services, video on demand (VoD), whiteboard business, online games, voice portal, click to dial service, click Fax service, Internet call waiting and other emerging multimedia services.

Second, NGN technology and products

Softswitch is based on the IP bearer, open, distributed, multi-vendor applications, system architecture, with large capacity, components, distributed, open networking and other features, lower cost of network construction, network upgrades easier, to facilitate new business and new applications to speed up the development, production and deployment of IP networks for the establishment of the times for the industry chain to provide technical support.

The introduction of packet-based Softswitch technology, is expected to realize more than the current fixed network operators converged business networks, simplify network layers and structure, and realize the business across different network configuration, to avoid the construction and maintenance of operational networks to bring more separate and reduce the high cost of maintenance and management complexity.

Softswitch in China after four years of testing and commercial scale test proved technically mature softswitch, rapid ability to provide services has been verified, the network construction cost is roughly equal with the traditional switch. Commercial operators from the current test run, the soft exchange has become a recent practice to use the technology.

Soft-switching technology and equipment in long-distance applications ripe, soft way of long-distance exchange network and cross-domain management layer is the important one of the advantages of soft switching;

TG application by local tandem softswitch level more mature, in the end by high-capacity AG Board level access methods used basically, equipment costs have been close to PSTN;

Softswitch in providing great customer integration / integrated solutions are indications that advantage.

Through the above analysis we can see that long-distance DC1/DC2 is the most suitable level of softswitch technology, operation and maintenance of existing support systems less affected, not only can ease the long-distance circuit switches, expansion pressure, and may solve some of the local network of single- long-distance node security risks; in an increasing proportion of long-distance IP voice background, through the soft switch can be distinguished in the service quality.

Therefore, soft switching is expected in 2006 will be step by step into the commercial phase. Network evolution to take top-down strategy, in the long-distance level, and large customer base to break, taking into account the network transformation, business and need of the selective introduction of the local level, while the principle of soft switching set to follow the large-capacity, low node , wide coverage, full-featured and flat.

Actively introduced the same time, there are many technical difficulties in 2006 need to gradually break:

??bearer network's QoS technology to overcome

Softswitch bearer network using packet-switched network (ATM or IP), and IP networking technology as a simple, flexible access to business-rich, so now the main use of IP technology in the MAN. IP technology, “Best effort” mechanism to bring the QoS problem is also brought to the soft switch network. The current PSTN-networks to provide end to end quality of service guarantees, soft-switched network if the application of a large scale, Jiu-end quality of service must provide a guarantee, Yin Er QoS problem seems even more important. As can be seen from the test commercial softswitch bearer network is a major problem facing the development of the existing public IP network can not meet the demand, need to optimize or re-design.

Currently, IP networks to solve the problem of the main technologies QoS Diffserv, 802.1p / q, Interserve (RSVP), MPLS technology, the industry some time to come will focus on solving the IP bearer network QoS problem of effective testing methods and tools, IP bearer network optimization. The IP bearer network QoS issues will restrict the size of soft-switching business degree, the bearer network QoS issues long way to go.

??Softswitch need to strengthen the capacity of the Integrated Network Management

Effective network management and business management is very important to operators, while the soft-switched network carrying platform is based on the data network, real-time business and the characteristics of carrier-grade services to softswitch network management of a data network higher requirements.

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Object-Oriented Analysis and Design (OOA & D) method of development in the late 80s to 90s there was a climax in, UML is the product of the climax. It not only unified Booch, Rumbaugh and Jacobson's representation, and its further development were made, and the ultimate reunification of the commonly accepted standard modeling language.
1. The emergence of standard modeling language UML
Recognized object-oriented modeling language appeared in the mid 70s. From 1989 to 1994, their numbers increased from less than 10 kinds of more than 50 kinds. Among the many modeling languages, the creator of the language to praise their own products, and continuously improved. However, OO method users do not understand the advantages and disadvantages of different modeling language and the differences between each other, making it difficult to choose the right features depending on the application modeling language, so the outbreak of a “method wars.” 90 years, the number of new methods have emerged, most notably the Booch 1993, OOSE, and OMT-2 and so on.
Booch object-oriented approach is one of the earliest advocates, he proposed the concept of object-oriented software engineering. In 1991, he previously work for the Ada extended to the whole object-oriented design. Booch 1993 more suitable for the design and construction. Rumbaugh et al proposed an object-oriented modeling technique (OMT) method, using object-oriented concepts, and introduces a variety of language-independent representation of character. This method using object model, dynamic model, functional model and use case model together to complete the whole system model, the definition of concepts and symbols can be used for software development, analysis, design and realization of the whole process, software developers do not have the different stages of the development process concepts and signs. OMT-2 particularly suitable for analysis and description of data-centric information system.
Jacobson made in 1994 OOSE method, its biggest feature is for the use case (Use-Case), and the description of use case introduced the concept of the external role. The concept of use cases is important to accurately describe the demand for weapons, but the use cases throughout the entire development process, including system testing and validation. OOSE more appropriate to support business engineering and requirements analysis. In addition, Coad / Yourdon method, known OOA / OOD, it is the first object-oriented analysis and design methods. The method is simple, easy, object-oriented technology suitable for beginners to use, but because of the method in dealing with capacity constraints, is now rarely used.
To sum up, first of all, the face of numerous modeling language, the user can not afford to distinguish the differences between different languages, making it difficult to find a more suitable language features of their application; Second, the modeling language is actually a great deal of diversity of many; Third, although most of the different modeling language similar to, but there are some subtle differences, greatly hampered communication between users. Therefore, objectively speaking, is very necessary to carefully compare the advantages and disadvantages of different modeling language and concluded that the practice of object-oriented technology based on the organization of joint design team, according to application requirements, its essence, to its dregs, seek common ground, unity modeling language.
October 1994, Grady Booch and Jim Rumbaugh to begin work towards this work. They first Booch9 3 and OMT-2 unified, and in October 1995 released the first public version, called the Unified Method UM 0.8 (Un itied Method). In autumn 1995, OOSE founder Ivar Jacobson joined to this work. After Booch, Rumbaugh and Jacobson's efforts three, in June 1996 and October were released two new versions, that is UML 0.9 and UML 0.91, and UM renamed UML (Unified Modeling Language). In 1996, some agencies will UML as its business strategy has become increasingly obvious. UML developers received a positive response from the public, and proposing the establishment of a UML member associations to improve, enhance and promote the work of the definition of UML. At that time the members of the DEC, HP, I-Logix, Itellicorp, IBM, ICON Computing, MCI Systemhouse, Micr osoft, Oracle, Rational Software, TI, and Unisys. The body of the UML 1.0 (1997 ??1 month) and UML 1.1 (1997 ??11 17) of the definition and release play an important role in promoting.
UML is a well-defined, easily expressed, powerful and universal modeling language. It is dissolved in the field of software engineering of new ideas, new methods and new technologies. Its scope is limited support for object-oriented analysis and design, also supported the demand of the beginning of the whole process of software development.

Object-oriented technology and UML development process on the diagram can be expressed as a standard modeling language, there is an important achievement. In the United States, ended in October 1996, UML was the industrial sector, technology and application of wide support, there are more than 700 companies that support the use of UML as the modeling language. The end of 1996, UML object-oriented technology has been able to play 85% of the market has become the de facto visual modeling language industry standard. November 17, 1997, OMG adopted UML 1.1 object-oriented technology as the standard modeling language. UML represents the object-oriented method of software development technology development direction of the market with great prospects, but also of great economic value and defense value.
2. The content of the standard modeling language UML
First, UML combines the Booch, OMT, and OOSE methods of the basic concepts, and basic concepts of object-oriented technology and other basic concepts of most of the same, and therefore, UML is bound to become of these methods and other methods of users to use a the same kind of simple modeling language; Second, UML is not just a simple convergence of the above methods, but these methods are based on the widely soliciting opinions, the collection of many long, after several changes were completed, UML extends the existing methods scope of application; Third, UML is a standard modeling language, rather than the standard development process. Although the application of UML to systems development process necessary for the background, but because of different organizations and different applications, need to take a different development process.
As a modeling language, UML is defined to include UML and UML notation semantics of two parts.
(1) UML semantic element model based on the precise definition of UML. Element model of all the elements for the UML syntax and semantics in providing a simple, consistent and common definition of notes, so that developers can get the same semantics, eliminating the best expressions vary the impact. In addition, the meta model of UML also supports the expansion of the definition.
(2) UML notation UML notation representation of the definition, development tools for the development or use of these graphical symbols and text syntax provides a standard model for the system. These graphical symbols and text are expressed in application-level model, the semantics is an instance of UML metamodel.
Unified Modeling Language UML's important to plan the following five categories (a total of nine kinds of graphics) to define:
* The first is use case diagram, description of system functions from a user point of view, and pointed out that the function of the operator.
??The second type is a static map (Static diagram), including class diagrams, object diagrams and package diagrams. Class diagram describing the system in which the static structure of classes. The definition of the class system, not only that the link between class, such as association, dependency, aggregation, etc., but also the internal structure of classes (class attributes and operations). Class diagram describes a static relationship between the system's entire life cycle are valid. Object diagram is an instance of class diagrams, class diagrams using almost exactly the same logo. Their difference is the object diagram shows the class of multiple object instances, rather than the actual class. An object diagram is an instance of class diagram. Because there is an object life cycle, so the object graph can only exist in the system a certain time period. Package from the package or class composition, said package and the package relationship. Package diagram is used to describe the system hierarchy.
* The third type of behavior diagram (Behavior diagram), describe the system dynamic model and the composition of the interactions between objects. One type of object state diagrams of all possible states and state transfer time of the incident conditions. Typically, the state diagram is the class diagram of the supplement. Their utility does not need to draw a state diagram of all classes, only those who have more than one state of its actions by the external environment and change the class draw a state diagram. The activity diagram describes the use case requirements to meet the activities to be undertaken and the constraint relationship between the activities, help identify parallel activities.
* The fourth category is the interactive map (Interactive diagram), describe the interactions between objects. One sequence diagram shows the dynamic relationship between objects, which emphasizes the message is sent between objects in the order, also shows the interaction between objects; collaboration diagram to describe the collaborative relationships between objects, similar to co-map with the sequence diagram to show an object between dynamic partnership. Apart from showing the exchange of information, the cooperation graph also shows the objects and their relationships. If the stress of time and sequence, then use the sequence diagram; if the emphasis on the superior-subordinate relationship, select the collaboration diagram. The two plans together is called interaction diagram.
* The fifth type is the implementation plan (Implementation diagram). One component diagram describes the physical structure and the code component dependencies between components. A component may be a source code component, a component or an executable binary components. It contains the logic class or implementation class of relevant information. Parts diagram help analyze and understand the extent of interaction between the components.
Define the system configuration diagram of physical hardware and software architecture.?????????????????????(?????????????????????????????????????????????????????????????,????????????????????????????????????????????br />???????????????????????????????????,??????????????????????????????????????????????;???????????????????????????????????????????????????,????????????(??????????????????????????????????????¤???ML???????????????????????????????????????,?????????????????????????????????????????????????????????????????????¤???ML???????????????,?????????UML??????????????????????????????????????????
3. ?????????UML????????br />????????????UML??????????????????:
???(1) UML?????ooch??MT??OSE???????????????
???(2) UML??????????????????????????????,?????????OO?????????UML????????????????????????,?????????????????????????????????????????????????????,??ML??????????????????????????????????????ML????????????,??????????????????OO???????????????????????????????????br />???(3) UML???????????????????????????UML????????????(Stereotyp es)?????Responsibilities)????????Extensibility mechanisms)?????Thread s)?????Processes)??????(Distribution)?????Concurrency)?????Patterns) ?????Collaborations)??????(Activity diagram)??????,????????????(Ty pe)???(Class)?????Instance)?????Refinement)?????Interfaces)?????Com ponents)??????
4. ?????????UML????????br />???UML????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????¤???????????????????????????????????????????????????????,UML???????????????????????????????????????????????????????????UML?????????????????????????????????????????????????????????,????????????????????????????????????????????????????????(???)???????????????????????????????????????°???????????????????????????????????????????UML??????????????????????????????????UML????????????????????????????????(??????????????,????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(???)????????????,??????????????????????????????????????????????????ML???????????????,?????????????????????????????????????????????,?????????????????????????????????????????????????????????????br />???UML?????????????????????????????????????????????????????????????????????????????????UML??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
?????????????¤???ML??????????????????????????????????????????????????????????????????????????????????????br />

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Normally … you have it installed, you will not let SNP tools .. still it ….?? telnet
Let's telnet and ftp to the port to shut it …^^
Unless your server is multi-user … and people feel more convenient telnet port .. it does not matter to do with friends ..
As for the security part of it to think of …>__< ..

Ado …
1. To amend / etc / inetd.conf file

In the front you will see under this part …
# Ftp stream tcp nowait root / usr / libexec / ftpd ftpd-l
# Telnet stream tcp nowait root / usr / libexec / telnetd telnetd-h

Remove with # that for the sake of this feature … obviously I will mark it in blue …

2. Inetd restart

Method 1: # kill -1 `cat / var / run / inetd.pid`
Method Two: # ps ax | more to find inetd-wW .. look at some of its pid then # kill -1 PID
Method 3: # reboot

3. Testing ..
Then use telnet ohaha.ks.edu.tw …. Can not you find telnet connect to your computer …^^

4. Follow-up ..
In case you go back on the … re-file the # inetd re-run inetd can be removed .. ..

5.inetd.conf new part (new installation)
# SNP 0.91
ptelnet stream tcp nowait root / usr / local / libexec / ptelnetd ptelnetd
prlogin stream tcp nowait root / usr / local / libexec / prlogind prlogind
pftp stream tcp nowait root / usr / local / libexec / pftpd pftd
ppasswd stream tcp nowait root / usr / local / libexec / ppwdd ppwdd
#
6./etc/service new part (new installation)
#
# SNP 0.91
#
ptelnet 970/tcp
prlogin 971/tcp -> If your machine has a firewall, then separated
pftp 972/tcp Please do not forget to use the port to open your Oh ….^^
pftp-data 973/tcp
ppasswd 976/tcp
snp 977/tcp
#

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