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Method supporting tunnel transmission in CCN, device and system

A technology of tunneling and content request, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as increasing network processing capacity, and achieve the effect of reservation request suppression and cache sharing

Active Publication Date: 2015-12-23
常州铂沃尔智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing CCN transmission mode lacks support for establishing tunnels between two nodes, and the support for tunnel transmission is essential for increasing network processing capabilities and evolving network architecture

Method used

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  • Method supporting tunnel transmission in CCN, device and system
  • Method supporting tunnel transmission in CCN, device and system
  • Method supporting tunnel transmission in CCN, device and system

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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0044] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understoo...

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Abstract

The invention discloses a method supporting tunnel transmission in CCN, a device and a system. The method comprises the steps that a router at the entrance of a tunnel receives an original content request; the router at the entrance of the tunnel determines the identifier of a router at the exit of the tunnel according to the original content request; the router at the entrance of the tunnel encapsulates the original content request; the router at the entrance of the tunnel forwards the encapsulated content request according to an FIB table; the router at the exit of the tunnel receives the encapsulated content request; the router at the exit of the tunnel decapsulates the content request and takes out the original content request; and the router at the exit of the tunnel queries the FIB table and forwards the decapsulated original content request. According to the method, the device and the system, which are provided by the invention, the tunnel can be effectively built in a CCN network; the forwarding logic of a CCN content router forwarding engine is not destroyed; and the advantages of request inhibition and cache sharing of CCN are retained to the greatest degree.

Description

technical field [0001] The present invention relates to the technical field of content-centric networks, in particular to a method, device and system for supporting tunnel transmission in a content-centric network. Background technique [0002] At present, users' access to the Internet has changed from point-to-point communication to content acquisition. The traditional TCP / IP network only transmits content, but does not perceive content, resulting in a large amount of redundant traffic transmission on the network. In order to solve the content explosion caused by content acquisition, the research community proposes a content-centric network CCN, which uses caching as one of the basic capabilities of the network to satisfy users' asynchronous access to content with heavy tail characteristics. [0003] The transmission mode of the existing CCN is that the receiver directly sends a content request message Interest with the content name of interest to the network, and forwards...

Claims

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Application Information

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IPC IPC(8): H04L12/911
CPCH04L47/825
Inventor 张国强陈鑫卢倚霞高茜
Owner 常州铂沃尔智能科技有限公司
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