DHT (Distributed Hash Table) deployment method for mapping server in integrated network
A technology for mapping servers and networks, applied in the deployment field of mapping systems under an integrated network, and can solve problems such as imperfection, poor scalability, and large information diffusion delay.
Inactive Publication Date: 2013-05-22
BEIJING JIAOTONG UNIV
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However, the mechanism proposed by the above-mentioned existing technologies is not perfect. LISP-NERD adopts a centralized storage method, which has poor scalability; LISP-ALT has a large delay in information diffusion; LISP-DHT does not fully consider the support for mobility
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[0028] The detailed description of the technical content of the present invention will be explained below with the accompanying drawings. It should be noted that in the figure, dotted line connections represent logical connections or logical paths, not physical routing connections or paths; numbers next to solid lines and dotted lines represent step numbers in the registration and resolution process.
[0029] figure 1It is a schematic topology diagram of the deployment of the integrated network mapping server DHT of the present invention. 1 is an access terminal, which is connected to the integrated network. 2 is the access switching router ASR, which is responsible for replacing the access identifier and the switching routing identifier, and forwarding the data to the core network. 3 is a generalized switching router, used for data forwarding and routing. 4 is a mapping server, which manages the mapping relationship in the domain, and manages the mapping relationship betwe...
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The invention provides a method for realizing DHT (Distributed Hash Table) deployment of a mapping server in an integrated network. The method comprises the following steps: mapping servers of each AS (Application Server) domain are deployed by using the DHT according to a DHT deployment method for registering and analyzing a mapping relation in the integrated network; the mapping relation between an access identifier and the mapping server is stored in a corresponding mapping server through hashing the access identifier during registering the mapping relation; and a mapping server of a mapping relation between the access identifier and a switching route identifier can be obtained only by hashing the access identifier and determining the mapping server of the access identifier so as to obtain the mapping relation between the access identifier and the switching route identifier. By using the method provided by the invention, a mapping system can be dynamically organized, the expandability and the robustness of the mapping system in the integrated network are enhanced, an analytic delay of the mapping relation is shortened, and the large-scale deployment of the integrated network issupported.
Description
technical field [0001] The invention belongs to the technical field of computer networks, and relates to a deployment method of a mapping system under an integrated network. Background technique [0002] With the rapid development of the Internet, mobile users and multi-home users continue to grow, and traffic engineering and policy routing are widely used. The original design ideas of the traditional Internet are difficult to continue to adapt to the new network in terms of mobility, multi-home, security, and routing scalability. Needs to be modified and improved urgently. The problem of dual attributes of IP addresses is one of the root causes of many problems on the Internet. [0003] In recent years, all countries are committed to the research of the new generation information network architecture and key technologies, such as the GENI (Global Environment for Network Innovations) program and the FIND (Future Internet Design) project of the National Science Foundation (N...
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IPC IPC(8): H04L12/24H04L12/70
Inventor 董平李晓倩张宏科周平邱峰朱世佳于永山马媛陆婷
Owner BEIJING JIAOTONG UNIV