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Management method based on sdn-assisted ccn routing, ccn forwarding device and network controller

A network controller and forwarding device technology, applied in the Internet field, can solve problems such as redundant traffic network resource utilization, and achieve the effects of reducing network over-redundancy, optimizing CCN routing, and improving network performance

Active Publication Date: 2018-02-16
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention proposes a management method based on SDN-assisted CCN routing, a CCN forwarding device, a network controller and a system, which solves unnecessary redundant traffic and network resources caused by flooding during CCN routing selection in the prior art The problem of low utilization

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  • Management method based on sdn-assisted ccn routing, ccn forwarding device and network controller
  • Management method based on sdn-assisted ccn routing, ccn forwarding device and network controller
  • Management method based on sdn-assisted ccn routing, ccn forwarding device and network controller

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Embodiment Construction

[0041] The technical solutions in the embodiments of the present invention will be cleared and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative efforts, fall within the protection scope of the present invention.

[0042] SDN (Software-Defined Networking, Software Defined Networking) is an emerging network paradigm, which realizes the separation of the control plane and the forwarding plane. The forwarding policy is no longer fixed in the router, but is controlled by the central controller alone. , so that the forwarding and processing system of the network can be programmed with an open architecture, which greatly improves the flexibility and scalability of t...

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Abstract

The present invention provides a management method based on SDN-assisted CCN routing, a CCN forwarding device, a network controller and a system. The method includes: a software-defined network SDN switching module in a content-centric network CCN forwarding device receives CCN data sent by an edge forwarding device packet; send the CCN data packet to the network controller, so that the network controller determines the optimal transmission path of the CCN data packet in the CCN network according to the CCN topology and generates a configuration message according to the optimal transmission path; the SDN switching module receives the network A configuration message sent by the controller, the configuration message includes information for configuring the flow table; information for judging whether the CCN data packet matches the flow table; the SDN switching module processes the CCN data packet according to the matching result. The invention affects the processing behavior of CCN data packets by affecting the SDN switching module, thereby affecting the selection of CCN routing, so that the CCN network avoids unnecessary flooding and reduces network over-redundancy.

Description

technical field [0001] The present invention relates to the field of Internet, in particular to a management method based on SDN-assisted CCN routing, a CCN forwarding device, a network controller and a system. Background technique [0002] In the Internet, ICN (Information-centric Networking) adopts an information-centric network communication model to replace the traditional address-centric network communication model. The communication mode evolves from host to host to host to network, forwarding The mechanism has evolved from traditional store-and-forward to cache-and-forward, and the architecture supports host mobility, which solves the problem of efficient transmission of massive information. [0003] CCN (Content-centric Networking) is the most relevant ICN solution available. The basic communication mode of CCN is centered on the named content (Named Data), the user requests the named content, the content publisher (server) publishes and transmits the named content,...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04L12/801
Inventor 龚向阳王文东阙喜戎孙琦
Owner BEIJING UNIV OF POSTS & TELECOMM