Software definition network message monitoring method, SDN controller and switching devices

A technology of software-defined network and switching equipment, which is applied in the field of SDN controller, software-defined network message monitoring, and switching equipment, which can solve the problems of heavy burden and achieve the effect of efficient and convenient traffic monitoring

Active Publication Date: 2015-05-13
NEW H3C TECH CO LTD
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Problems solved by technology

[0004] In view of this, the present invention proposes a SDN network message monitoring method, an SDN controller, and a switching device, which effectively solve the problem of overburden caused by SDN controllers storing monitoring data in the prior art, or relying on monitoring protocols to realize monitoring and control The problem

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  • Software definition network message monitoring method, SDN controller and switching devices
  • Software definition network message monitoring method, SDN controller and switching devices
  • Software definition network message monitoring method, SDN controller and switching devices

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Embodiment Construction

[0022] When traffic monitoring is performed in an SDN network in the prior art, a method encapsulates the original data message sent by the monitored host or the original data message sent to the monitored host as an SDN Packet-in message and sends it to the SDN controller, The SDN controller uniformly parses the message content; another method is to deploy a traditional monitoring protocol on the SDN switching device, and the monitoring client and monitoring server on the SDN switching device independently exchange messages. However, the first method will occupy the storage and CPU resources of the SDN controller, especially when the number of monitored hosts is relatively large, the burden on the SDN controller will be too heavy, affecting the normal efficiency of the SDN network; The traditional routing protocol configured on the device affects the complete control of the network by the SDN controller. When the host migrates in the network, the traditional monitoring protoco...

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Abstract

The invention discloses a software definition network message monitoring method, an SDN controller and switching devices. The method includes: the SDN controller defines a mirror tunnel which is between a source SDN switching device where a monitoring host locates and a purpose SDN switching device where a monitoring server locates; and the SDN controller respectively establishes and sends a mirror flow table whose ID is 1 for the source SDN switching device and the purpose SDN switching device of the mirror tunnel. Therefore, the mirror flow table is saved in a first-level flow table of multi-level flow tables according to the fact that the table ID is 1 after being received by the source SDN switching device and the purpose SDN switching device.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a software-defined network message monitoring method, an SDN controller, and a switching device. Background technique [0002] The topology in the SDN (Software Defined Network, software-defined network) network is maintained by the SDN controller, the forwarding path between the SDN switching devices is calculated by the SDN controller according to the topology, and the forwarding flow table between the hosts is also determined by the SDN controller. Send it to the specified SDN switching device. The SDN controller can also perform real-time traffic monitoring on a certain host, as long as the message sent by the host or the message sent to the host is encapsulated into an SDN Packet-in message and sent to the SDN controller, which is controlled by the SDN The device parses the content of the message in a unified manner. Traditional monitoring protocols (such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
Inventor 宋小恒
Owner NEW H3C TECH CO LTD
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