Content exchange network

Abstract

The provided new content switching network comprises a plurality of nodes with every one real-time sending mark information to the target node that can obtain the content according to the mark information.

Description

technical field [0001] The invention relates to a communication system, in particular to a content exchange network. Background technique [0002] Content Switch Network (Content Switch Network) is a hot technology in the field of NGN (Next Generation Network) technology research. With the development of network technology, the content on computers, wireless terminals and other devices distributed all over the world can be shared by network users, content resources continue to expand, and people's demand for content exchange is also growing. Content exchange involves many aspects, such as network architecture, content distribution, acquisition and exchange methods, etc. In terms of application status, the current content exchange network architecture cannot well adapt to this growth in demand. [0003] First of all, in terms of network architecture, the existing content exchange systems have the following types: [0004] (1) Client / Server (C / S) mode: [0005] This techno...

AI Technical Summary

Problems solved by technology

[0005] This technology has the following defects: (a) the maintenance overhead of the network server in the C / S mode is very large, and it always becomes the bottleneck of content transmission; (b) with the continuous improvement of personal terminal capabilities, this mode seriously hinders personal Effective use of terminal capabilities; (c) This model largely limits the freedom of behavior of users and brings inconvenience to the original data content published and exchanged by users

[0008] The first-generation P2P network model represented by the Napster model has the following defects: (a) the paralysis of the central server easily leads to the collapse of the entire network, and the reliability and security are low; (b) with the expansion of the network scale, the central The cost of maintaining and updating the directory server will increase dramatically and the required cost will be prohibitive

[0009] The second-generation P2P network model represented by the Gnutella model has the following defects: (a) the content location process is relatively complicated; (b) the information is spread on the network in a diffuse manner when searching for content, which will cause flooding of information and also The scalability of the system cannot be improved

[0010] The third-generation structured P2P network model represented by the Pastry model has the following defects: (a) Due to the use of a single hash map in the architecture, the collaborative parallel processing of multiple nodes is not considered, so it is impossible to form an effective network according to the user's content needs. The download group greatly reduces the efficiency of content transmission; (b) the network physical topology structure is not considered in the process of content construction, and there is a detouring problem between content downloaders and content providers, which increases network traffic and reduces (C) Since no node can control and manage the network under the fully distributed structure, the network is in a state of anarchy

[0013] This technology has the following defects: (a) the content owner (that is, the server) passively provides content, waiting for users to search and download, and cannot actively push content to all interested users; (b) the process for users to search for content is cumbersome, and Every time you need a certain content, you must log in or connect to each fixed website or server. Once the address to the website or server is lost, the corresponding content cannot be obtained

[0015] This technology has the following defects: (a) users polling to detect and update content will cause a great burden on the server; (b) content distribution still adopts a server-based centralized architecture, and the content owner (ie server) cannot real-time, active (c) This method does not provide an effective distribution channel for user original data content; (d) This content distribution model still uses a single-point download method, which does not form an effective distribution method according to the user's demand for content. download group, so that the client cannot coordinate the exchange of content resources

Images