Software defined network controller system in named data networking and method thereof

A software-defined network, named data network technology, applied in data exchange network, digital transmission system, transmission system and other directions, can solve the problem of forwarding strategy research difficult to directly apply NDN network, to promote innovation and incremental deployment, flexible The effect of management and control strategies to improve throughput performance

Active Publication Date: 2014-10-15
INST OF COMPUTING TECHNOLOGY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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Problems solved by technology

One of the important reasons is that due to the highly coupled data plane and control plane of the NDN architect

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  • Software defined network controller system in named data networking and method thereof
  • Software defined network controller system in named data networking and method thereof
  • Software defined network controller system in named data networking and method thereof

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[0059] Specific embodiments of the present invention are given below, and the present invention is described in detail with reference to the accompanying drawings. The present 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 aims at the SDN controller system in the named data network, including: transferring the control plane to a software-defined network controller, storing the data plane in the control plane abstractly, and the control plane sending instructions to the network device of the data plane , The network device of the data plane receives the instruction of the control plane and performs corresponding forwarding; 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 named data networking and a method thereof. A control plane and a data plane of the named data networking are separated by the system. The software defined network controller system comprises a storage module which is used for storing the data plane and maintaining four data structures of the data plane including a topological structure, a rule table, a push table and a routing table, wherein the control plane utilizes the data structures to control forwarding of data flow in the named data networking; a communication module which utilizes a customized communication format to establish connection between a software defined network controller of the control plane and network equipment of the data plane, maintain connection and receive and process data flow transmitted by the named data networking; and a function module API which is used for packaging functions of the storage module and is utilized to operate the storage module by an application layer so that direction of data flow is controlled.

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 ...

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Application Information

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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 TECHNOLOGY - CHINESE ACAD OF SCI
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