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A transmission method and device for an echo Request message

A transmission method and message technology, applied in the field of communications, can solve problems such as affecting the normal use of network equipment, wasting network equipment processing resources, wasting controller processing resources, etc., and achieve the effects of reducing performance impact, reducing loss, and reducing quantity

Active Publication Date: 2018-01-16
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, in the sending period, the network device needs to send a large number of EchoRequest messages, thereby wasting the processing resources of the network device and affecting the normal use of the network device; further, the controller also needs to send a large number of Echo Reply messages, thereby wasting The processing resources of the controller and affect the normal use of the controller

Method used

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  • A transmission method and device for an echo Request message
  • A transmission method and device for an echo Request message
  • A transmission method and device for an echo Request message

Examples

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Embodiment Construction

[0030] Aiming at the problems existing in the prior art, the embodiment of the present invention provides a transmission method of an Echo Request message, which can be applied to an OpenFlow network including a network device (such as an OpenFlow switch) and a controller (such as an OpenFlow controller) . by figure 1 It is a schematic diagram of the application scenario of the embodiment of the present invention. By using 4000 VLANs on the network device, 4000 instances are divided on the network device. Among them, instance 1-instance 1000 are all connected to controller 1, and instance 1001-instance 2000 All establish connections with controller 2, and instance 2001-instance 4000 all establish connections with controller 3.

[0031] In the above application scenarios, such as figure 2 As shown, the method may include the following steps:

[0032] In step 201, the network device generates a keep-alive linked list for each controller; wherein, the keep-alive linked list cor...

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PUM

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Abstract

The invention discloses a method and equipment for transmitting an Echo Request message. The method includes: a network device generates a keep-alive list for each controller; when the network device needs to send an Echo Request message for an instance, it determines the The keep-alive linked list corresponding to the example, and judge whether the example is the specified example on the kept-alive linked list; if not, then the network device refuses to send an Echo Request message to the controller; if yes, the network The device sends an Echo Request packet to the controller and waits for the Echo Reply packet returned by the controller. In the embodiment of the present invention, the number of Echo Request messages sent by the network device can be reduced to save processing resources of the network device, and the number of Echo Reply messages sent by the controller can be reduced to save processing resources of the controller.

Description

technical field [0001] The invention relates to the communication field, in particular to a transmission method and equipment for an Echo Request message. Background technique [0002] OpenFlow is a communication interface standard between a controller and a forwarding layer defined in an SDN (Software Defined Network, software-defined network) architecture. The idea of ​​OpenFlow is to separate the control plane and the data plane, and use standard protocols to communicate between them. An OpenFlow network includes a network device (such as an OpenFlow switch) and a controller (such as an OpenFlow controller), and the network device and the controller communicate through an OpenFlow channel. Wherein, the controller is used to generate a flow table (Flow Table) according to the user's configuration or a dynamically running protocol, and send the flow table to the network device. Network devices are used to receive the flow table from the controller, and match and process p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801
Inventor 耿亚娟袁硕
Owner NEW H3C TECH CO LTD