Programmable control SDN measuring system and method

A programming control and network measurement technology, which is applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of inability to measure the performance of switches, failure to use SDN network, and limited measurement indicators, so as to achieve good promotion and application prospects, Easy to Implement, Powerful Effects

Active Publication Date: 2014-05-14
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, the measurement index of this measurement scheme is limited, and it cannot measure the performance between switches in the OpenFlow networ

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  • Programmable control SDN measuring system and method
  • Programmable control SDN measuring system and method
  • Programmable control SDN measuring system and method

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0042] see figure 2 , introduce the structural composition of the programmable control SDN measurement system of the present invention: In addition to the network controller of the original network control layer and the bottom switch of the data transmission layer, the system also adds two components in the network application layer: A programmatically controlled measurement component and an adaptation module supporting the measurement component, and an improvement of the underlying switch to a programmable controllable switch. The structure and function of the three components are introduced as follows:

[0043] (1) The programmable control measurement component is a component developed based on the application program interface API for SDN netw...

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Abstract

The invention discloses a programmable control SDN measuring system and a processing method. According to the programmable control SDN measuring system, on the basis of a network controller of a network control layer and a bottom-layer switch of a data transmission layer, two components are additionally arranged on a network application layer, the two components comprise a programmable control measuring component in charge of centralized management of measuring tasks and an adaptive module used for supporting the measuring component, and the bottom-layer switch is improved to be a programmable control switch in charge of specific execution of the measuring tasks. In this way, the programmable control measuring component and the programmable control switch form a control loop for network measurement. The programmable control SDN measuring system is simple in structure, easy to obtain and flexible in configuration and has powerful functions, a programmable control measuring system and method can be provided according to various network measurement algorithms and different measuring tasks, and the characteristics that an SDN can be defined by software, control and forwarding are separated from each other and an active measurement mode is adopted are brought into full play. The programmable control SDN measuring system and the processing method have good popularization and application prospect.

Description

technical field [0001] The present invention relates to a programmable control network measurement system and measurement method for software-defined network SDN (Software Defined Network), to be precise, the SDN network measurement system of the present invention fully adapts to and utilizes the software-definable characteristics, As well as the characteristics of separation of control and forwarding, and centralized control of the network controller, and by expanding the functions of the network controller and switch, it is possible to perform measurement and analysis of multiple performance indicators on any path on the network, thus providing a new solution for existing The SDN network provides a programmable control network measurement system and measurement method, belonging to the technical field of network measurement. Background technique [0002] With the rapid development of network information technology, the Internet has become an indispensable and important inf...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L12/947
Inventor 王文东龚向阳阙喜戎罗瑞龙
Owner BEIJING UNIV OF POSTS & TELECOMM
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