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Content center network on-demand distance vector routing method

A content-centric network and distance vector technology, used in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as difficult aggregation and no routing table entries, and achieve improved efficiency, reduced routing table entries, and reduced routing table entries. The effect of routing overhead

Active Publication Date: 2016-04-20
ZHENGZHOU SEANET TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this routing method does not solve the problem of difficult aggregation of routing table entries during CCN routing

Method used

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  • Content center network on-demand distance vector routing method
  • Content center network on-demand distance vector routing method
  • Content center network on-demand distance vector routing method

Examples

Experimental program
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Embodiment Construction

[0044] The present invention will be further described now in conjunction with accompanying drawing.

[0045] Three kinds of route control messages are mainly adopted in the on-demand distance vector routing method of the content-centric network of the present invention, which are respectively: route request packet CCN_RREQ, route reply packet CCN_RREP and route error packet CCN_RRER; wherein the route request packet CCN_RREQ can be carried in In the interest packet of the content-centric network, the routing request packet CCN_RREQ includes the following information: the hash value of the request content, the address of the request source node, the serial number of the request source node, etc.; the routing response packet CCN_RREP can be carried in the data packet of the content-centric network, The CCN_RREP packet includes the following information: the hash value of the requested content, the address of the content provider, the serial number of the content provider, and th...

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Abstract

The invention relates to a content center network on-demand distance vector routing method. The content center network on-demand distance vector routing method comprises broadcasting a routing request grouping CCN_RREQ to the other nodes in the network by a request source node requiring requesting route, and starting the route discovery process; when a target node receives the routing request grouping CCN_RREQ, replying a routing response grouping CCN_RREP; and after the request source node receives the routing response grouping CCN_RREP returned from the target node, establishing a path between the request source node and the target node according to the content contained in the grouping.

Description

technical field [0001] The invention relates to a network routing method, in particular to a content-centric network on-demand distance vector routing method. Background technique [0002] A content-centric network (CCN) represents a network structure centered on content or information. CCN is content-centric and does not pay attention to content providers, but only to the content itself. By naming content and routing based on content naming, it can better meet the needs of information content consumption. CCN abandons the traditional IP-based protocol stack structure and adopts a protocol stack structure centered on content names, which is backward compatible with different transmission methods (IP, Ethernet, P2P, etc.), and upwardly supports different service applications (content distribution, streaming, VoIP, etc.). This content-centered design concept enables CCN to inherently support the movement of content and users in the network, provide credible authentication of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/721H04L12/703H04L45/02H04L45/122H04L45/28
CPCH04W40/246H04L45/02H04L45/122H04L45/26
Inventor 王劲林齐卫宁尤佳莉王玲芳
Owner ZHENGZHOU SEANET TECH CO LTD
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