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Routing method and routing device in content-centric network

A content-centric network and routing 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: 2020-09-04
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • Routing method and routing device in content-centric network
  • Routing method and routing device in content-centric network
  • Routing method and routing device in content-centric 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] Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. 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 ...

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Abstract

The present invention provides a routing selection method and a routing selection device in a content-centric network, wherein the routing selection method in the content-centric network includes: receiving a link state information packet sent by each router node in a plurality of router nodes , the link state information packet sent by each router node includes at least the identification information of each router node, the link state between each router node and its neighbor nodes, and each of the The cache loss probability of the cache data packets in the neighbor nodes; according to the link state information packets sent by the multiple router nodes, construct the network topology structure of the content-centric network; according to the network topology structure, and each of the The cache miss probabilities of the cached packets in the neighbor nodes are used to calculate the shortest route for the expected cache hit path of the target cached packet. The technical scheme of the invention can ensure that the user can quickly obtain the requested data package.

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-Data Network (NDN), is a data sharing and exchange based on content names. The communication architecture adopts the built-in cache mode of 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...

Claims

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Application Information

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Patent Type & Authority Patents(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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