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Route selection method and route selection device in content center network

A content-centric network and selection device technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problem of not considering router cache information, etc., and achieve the effect of improving the acquisition rate

Active Publication Date: 2017-09-19
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the existing routing protocols do not take into account the router's cache information when designing the shortest path selection method from the client to the server

Method used

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  • Route selection method and route selection device in content center network
  • Route selection method and route selection device in content center network
  • Route selection method and route selection device in content center network

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Embodiment Construction

[0037] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0038] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0039] figure 1 A schematic flowchart of a routing method in a content-centric network according to an embodiment of the present invention is shown.

[0040] like figure 1 As shown, the routing me...

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PUM

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Abstract

The invention provides a route selection method and route selection device in a content center network. The route selection method comprises: a link state packet sent by each of a plurality of router nodes is received, wherein the link state packet sent by each router node at least includes identifier information of each router node, a link state between each router node and a neighbor node, and a cache loss probability of a cache packet in each neighbor node; a network topology structure of a content center network is constructed according to the link state information packets sent by the plurality of router nodes; and a shortest route for an expected cache hit path of a target cache data packet is calculated based on the network topology structure and the cache loss probability of the cache data packet of each neighbor node. Therefore, the user can obtain a request data packet rapidly.

Description

technical field [0001] The present invention relates to the technical field of routing protocols, in particular, to a routing selection method in a content-centric network and a routing selection device in a content-centric network. Background technique [0002] Content-Centric Network (CCN), also known as Information-Centric Network (ICN) or Named-DataNetwork (NDN), is a data sharing and exchange based on content names. Communication architecture with built-in caching mode in the network. As a future network architecture, it can support "storage for bandwidth" and large-scale content distribution. [0003] The biggest difference between the content-centric network and the traditional IP network is that the design of the content-centric network supports local data caching, which is also a great advantage of the content-centric network. CCN supports the local data caching function so that the data packets transmitted from the server that permanently stores the data can be c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/751H04L12/733H04L45/02H04L45/122
CPCH04L45/02H04L45/122H04L67/63
Inventor 林伟宏张行功郭宗明
Owner PEKING UNIV
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