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Method for reducing network impact load from SDN switch to controller

A shock load and switch technology, applied in the network field, can solve problems such as SDN switch network shock, increase the ability to handle concurrent connection requests, and alleviate the network shock load.

Inactive Publication Date: 2018-11-09
CHINA TELECOM CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the connection between the existing SDN switch and the controller is prone to the network impact from the SDN switch to the controller, a solution that can alleviate the network impact is needed

Method used

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  • Method for reducing network impact load from SDN switch to controller

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Embodiment Construction

[0015] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0016] In this example, an SDN authentication scheduling module connected to the controller is added in front of the controller that the SDN switch needs to connect to, and the authentication scheduling module performs pre-authentication and speed adjustment on the connection request sent by the SDN switch, thereby effectively alleviating a large number of SDN switches. The network impact load formed by a large number of connection requests sent instantaneously on the controller increases the ability of the controller to process concurrent connection requests.

[0017] The SDN authentication scheduling module and SDN switch provided in this example work together to alleviate the network impact load on the controller caused by a large number of co...

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Abstract

The invention discloses a method for reducing network impact load from an SDN switch to a controller. The connection request of the SDN switch is verified and scheduled before the SDN switch is connected with the controller. According to the scheme, the network impact load formed for the controller due to the fact that a large number of SDN switches instantaneously transmit a large number of connection requests can be reduced, and the capacity of the controller side for processing the concurrent connection requests can be increased.

Description

technical field [0001] The present invention relates to network technology, in particular to SDN technology. Background technique [0002] Existing SDN switches identify controller connections through a unique connection URI, and this value is pre-configured on the switch side. After the connection is established, the SDN switch maintains the connection with the controller. If the connection is terminated due to network conditions or timeout, if the switch or the controller is the initiator of the connection, it should try to reconnect to the other party until a new connection is established or Removes the other party's connection URI from its configuration. [0003] However, when the existing SDN switch is started or reconnected due to network failure, it is always directly connected to the controller first, and after the connection is established, the SDN switch and the controller still need to maintain the connection. In this way, once network jitter occurs, a large num...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06
CPCH04L63/0876H04L67/60
Inventor 金勇夏俊
Owner CHINA TELECOM CORP LTD
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