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Software-defined network controller system and method in named data network

A technology of software-defined network and named data network, which is applied in the direction of data exchange network, digital transmission system, transmission system, etc., can solve the problem of direct application of NDN network in the research of forwarding strategy, so as to promote innovation and incremental deployment, improve Effects of throughput performance and flexible control strategies

Active Publication Date: 2018-05-01
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the important reasons is that due to the highly coupled data plane and control plane of the NDN architecture, it is difficult to directly apply the forwarding strategy research on the control plane to the NDN network.

Method used

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  • Software-defined network controller system and method in named data network
  • Software-defined network controller system and method in named data network
  • Software-defined network controller system and method in named data network

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Embodiment Construction

[0059] Specific embodiments of the present invention are given below, and the present invention is described in detail in conjunction with the accompanying drawings. The invention separates the control plane from the data plane by using a software-defined network controller, simplifies the management and control of the named data network architecture, and accelerates the deployment and testing of the named data network architecture.

[0060] The present invention is aimed at the SDN controller system in the named data network, including: transferring the control plane to a software-defined network controller, abstractly storing the data plane in the control plane, and sending the control plane to the network equipment of the data plane Instructions, the network equipment of the data plane receives the instructions of the control plane and forwards them accordingly; the software-defined network controller includes a storage module, a communication module and a functional module ...

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Abstract

The invention discloses a software-defined network controller system in a named data network and a method thereof. The system separates the control plane and the data plane of the named data network. The software-defined network controller system includes: a storage module for storing The data plane maintains four data structures of the topological structure of the data plane, the rule table, the push table and the routing table. The control plane uses these data structures to control the forwarding of data streams in the named data network; the communication module uses self-defined communication The format establishes the connection between the software-defined network controller of the control plane and the network device of the data plane and maintains the connection, receives and processes the data stream sent by the named data network; the function module API is used to store the module Function encapsulation, the application layer uses the function module API to operate the storage module to control the direction of the data flow.

Description

technical field [0001] The invention relates to a named data network, in particular to a software-defined network controller system and method used in the named data network. Background technique [0002] Information-Centric Networking (ICN) is a new type of Internet architecture model, which aims to fundamentally solve the problems of traffic scalability, content security and node mobility faced by the current Internet. Among them, Named Data Networking (NDN) is the most representative network model. The thin waist of the NDN architecture model is no longer the network address, but the data with a name. In the NDN data network, each content is given a unique name. When users obtain content, they do not need to inquire about the location of the content in advance, but directly express it with the name of the content. The biggest advantage of the NDN data network is that it can cache content, thereby greatly increasing the efficiency of information transmission; at the same ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/813H04L12/861H04L12/751H04L12/743H04L47/20H04L45/02
Inventor 杨延中武庆华李振宇谢高岗
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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