The most hot as the last two years is also one of the most controversial technology, P2P technology revolutionized the traditional telecom model of centralized control, the development of the traditional telecommunications network had a huge impact.
In the September meeting held in the Internet, P2P once again become the focus of public attention, but different from the past that are in contradiction whirlpool carriers showed an extremely calm and rational, China Telecom and China Netcom in charge were invariably shown on the P2P-minded attitude.
China Telecom chief engineer Wei Leping clear that China Telecom will provide the media with a P2P service, and applications for legal P2P traffic to divert to accelerate local service. China Netcom (Group) Co., Ltd., deputy chief engineer left the wind even more bluntly, P2P is a good model, telecom operators should consider using this model.
Under such a change, we now see is that carriers bearer network transformation, and through technical means to strengthen control of P2P services, and then to traffic accounting based on the direction of change.
Abnormal input-output ratio
Resulting input-output ratio is mainly due to lower carrier has not been found more responsive to the P2P model.
BT download, online video, instant messaging, ... ..., these take up a lot of bandwidth to P2P service users to experience the pleasure, and gradually become the killer application of next-generation Internet, but the operator has little revenue from; the same time, P2P caused by network congestion also affects the critical links to other Internet business. From a fixed network operators, data show that, P2P traffic generated from operations of individual links in the individual time slots occupied by the operator's network 80% of the bandwidth, but do not bring their earnings to 20%. The iResearch Consulting statistics showed that in normal circumstances, P2P network operators to take up 40% to 60% of the bandwidth, the peak occupancy rate even as high as 70% to 90%, but revenue is only P2P service 5% of its total revenue.
Resulting input-output ratio is mainly due to lower carrier has not been found more responsive to the P2P model. To charging, for example, according to Ministry of Planning and Design Institute of the telecommunications and data exchange, deputy director of the Department of Lin-xiao, at present domestic operators mainly for broadband services such as monthly and monthly fee model, these models aimed at ordinary rates Internet business and design. As the ordinary business of the Internet bandwidth consumption is relatively small, and flow rates in a relatively balanced state, input-output ratio is relatively reasonable. However, the emergence of P2P allows users to flow substantially faster than the general Internet business (some calculations, 1 hour video take up the equivalent of an electronic mail network resource consumption of the year). In this case, still using the original charging mode, naturally will cause a decline in input-output ratio.
Moreover, while the traditional C / S structure than, P2P is high on the other, extensibility, robustness, high, cost-effective as well as load balancing and other advantages, P2P applications business also faces a lack of control, no guarantee of quality , piracy and other issues.
For taking up a lot of bandwidth and resources, many companies have to P2P software to disable the method; operators for P2P is showing a strong "ban" attitude, some operators have also adopted restrictions on P2P traffic means control of users.
Rational Transformation Network
The rapid decline in fixed voice and broadband boost for P2P applications, forcing operators to have a more rational treatment of P2P, and start thinking of the bearer network transformation.
Despite the impact of the P2P operators build enthusiasm, Internet users and carriers intensified the conflict between, but the rapid decline in fixed voice and broadband boost for P2P applications, forcing operators to have a more rational treatment of P2P, and start thinking transformation of the bearer network.
Recently, renowned Internet expert Professor Hou Ziqiang said the General Assembly on the Internet, China Telecom, China Netcom and China Mobile and other operators have begun to transform CDN network, transformed the network can support, including BT and P2P streaming media category, including download. "Currently, China Telecom megaupload, Netcom CNCMAX have been able to apply P2P. Monternet China Mobile also began to explore applications for the Internet, and has already set the wireless IP and Internet business environment, the idea to support the P2P service. "
Concern is that many problems faced in the P2P, the growth of video content to be a very prominent contradictions, some people even call it P2P, "knot."
Statistics show that, in the domestic Internet market, the Web content is more than 10% increase in annual growth, which is the fastest growing video content. If you rely only on hardware investment to increase bandwidth, not only will lead to rising costs, will create security problems. Hsu, CEO ChinaCache four young that, CDN (content distribution network) is the key to solve this problem, "If we need to use the Internet compared the P2P transfer of resources copy of the film, CDN service is set up one by one cinema. If there is only on the Internet a cinema, then go to the cinema when a large number of users to watch, they will form a congestion situation; even into the cinema, the audience can not have a good viewing environment. And if the film was made into copies are shown in different theaters, This congestion situation would not exist. This is the CDN works. "
Qing Xu four that does not use CDN impact the overall performance of the network, and video content providers can help significantly reduce overall operating costs. "After the way with CDN, the operation between the independent cinema, including a theater problem does not affect the work of other theaters. He also presented a set of data: in the United States, 80% of users use the CDN services and, in China the figure is only 5%.
Lin-xiao that, CDN and P2P integration is a good idea, but combined in different ways, and now appears there are some problems.
Apart from the introduction of P2P CDN business, there are experts on the future of P2P services network carrying the new ideas presented.
Wu Hequan Chinese works that overlap in the CNGI network based on technology developed intelligent points of P2P, better utilization of the Internet resources.
In fact, operators are also changing for the P2P network equipment manufacturers to bring opportunities and challenges. On the one hand, P2P services to enable operators to increase the demand for equipment, for manufacturers to provide more market opportunities; while on the other hand, operators are implementing sophisticated operation, do not blindly expansion.
In this regard, ZTE Intelligent Network Products Network Systems Division, Senior Engineer, Director of Dong Zhenjiang that P2P's impact in the telecommunications industry has been the traditional focus on service model is difficult to effectively support the rapid development of broadband applications and users growing needs, who can provide operational, can be managed P2P network equipment solutions will be operator of all ages.
P2P technology used to control business
According to estimates, as have the ability to distinguish between business, the backbone of the Internet bandwidth management costs per 10G to increase around 1.5 million yuan; the end of the deployment of service differentiation in the ability to access higher costs, assessed to each user's bandwidth costs would increase accordingly Great.
In addition to the network transformation, the current operators have also adopted a number of technical means to realize the P2P services classification and scheduling, enhance the ability of the control of P2P services. Early applied to the corporate market DPI (deep packet inspection) technology is increasingly being used to distinguish P2P service operators.
It is understood that many U.S. carriers in the deployment of IPTV, we began large-scale adoption in the business hub of DPI equipment. This trend is also stimulating a focal point for equipment manufacturers in the data device to increase the functions of DPI or DPI board. Carrier IP network technology consulting Xiangdong that the focal point of the DPI equipment and data equipment integration will be the future trend of development, such as the Cisco 7600 series and Alcatel-Lucent 7750SR features are available in the DPI.
Typically, Cai Yong DPI technology products of the main features include: using real-time user Shuojufenxi, Zhuangtai Xieyishibie, Ye Wu Liu Jian Kong, Yingyongchengxu monitoring, Hui Hua control, business strategy deployment, use and control, operational quality, safety, traffic management. According to Zhang Xiangdong introduction, although DPI technology for the mitigation of P2P services to the network congestion caused by very effective, but the domestic carriers should be combined with the domestic status of DPI technology, and combined with actual test results to select the DPI product. In the promotion of foreign firms, it should highlight the status of those applications for the Chinese product features. For example, domestic operators MAN exports, net exports are mostly provincial, 2.5G POS link, but most foreign companies are mostly foreign to provide the 10G interface DPI product.
Broadband network by upgrading the quality of services and the business of perception, classification, scheduling capabilities, making P2P services have become able to "control", but also for traffic accounting by operators to achieve possible, but it will also lead to increased costs. According to estimates, as have the ability to distinguish between business, the backbone of the Internet bandwidth management costs per 10G to increase around 1.5 million yuan; the end of the deployment of service differentiation in the ability to access higher costs, assessed to each user's bandwidth costs would increase accordingly Great. Therefore, there are some other new operators tend to carry a large number of networks for business customers, the existing network will continue to carry, including P2P services, including general application.
P2P speed up the transformation operator
For those who can not tolerate their marginalization of the value of operators, service providers need to transition to the information to provide more value-added services, and P2P operators will become an integrated information service provider to the transformation of the accelerator.
In the transformation of the network and through technical means to enhance operational control of the P2P capabilities, operators can not ignore a crucial question is: to explore a reasonable profit model, the formation of healthy industrial chain, P2P industry to promote healthy, positive development, but the basis of this development to be able to ensure the continued construction of the network.
As Hou Ziqiang said, the attitude of P2P operators for the change is only a matter of time, "used to be thinking about how to make more money, and now must consider the needs of users. Broadband is the operator that the ultimate solution, but it's broadband users to download a P2P strong demand, operators must strive to do this ecosystem. "Recently, the Ministry of Information Industry Institute of Telecommunications Planning and Design Institute, Deputy Director Hu Jian Bo also said that" the user needs to download BT very strong, certain points of view , operators should lead to this need, and use the model to achieve a reasonable profit. "
Traditional telecom operators to provide users with service model is controllable, high-quality service and charge accordingly. But with VoIP, as represented in free Internet service intervention, operators of traditional profit models are being challenged. For those who can not tolerate their marginalization of the value of an operator, information service providers need to transition to provide more value-added services, while P2P Ze become the operator to integrated information services business transformation accelerator.
Represented by the Chinese telecom operators are trying to use its technological advantage and operational advantages, the scale of development of P2P applications. It is reported that last year, China Telecom, Guangzhou Institute of CNGI successful demonstration project in the "P2P-based digital media business development and application of experimental" project, Guangdong Telecom is developing P2P-based security integrity of the on-demand, live, downloads and other digital media business.
While the huge user base allows operators to have a good basis for operating P2P services, but in the information services, telecom operators to provide capacity information and other media can not be compared with the broadcast. In this regard, Hu Jianbo that telecom operators and content providers need to adopt a collaborative model to bring this piece of business done.
In addition to file download, video, instant communications with external, standardized P2P 鎶?湳 is also widely used in IPTV, streaming media services, video storage and other fields, Li Yong P2P 鎶?湳 also Keyi 浜や粯 build new media, distribution of Ji Tong. Therefore, in addition to the scale of development of the P2P applications, P2P provide differentiated services for carriers is also an option. From this point, Guizhou, China Netcom and Shanghai used together to build a network of "Netcom Watch" is very representative.
As the first test the water P2P streaming media operators, Guizhou, Shanghai Netcom network by using a new generation of P2P technology platform to provide - SNS network, has created a telecom operator and ISP P2P networks as a dominant industry chain. Analysis, advertising revenue will account for dominance of P2P streaming media to build new media platforms, advertising revenue will become dominant. According to iResearch statistics, in 2006 the Chinese P2P streaming media market, advertising revenues of 0.1 billion, is expected to reach 070 million yuan in 2007, reached 480 million yuan in 2010.
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