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Network control method and device

A network control and network technology, applied in the field of communications, can solve problems such as network congestion and the performance of SDN controllers cannot meet the requirements.

Active Publication Date: 2014-02-19
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The embodiment of the present invention provides a network control method and device to solve the problem of network congestion caused by the performance of the SDN controller not meeting the requirements when the network controlled by the SDN controller in the prior art is relatively large

Method used

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Experimental program
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Embodiment 1

[0131] Embodiment one: refer to image 3 As shown, the larger network is divided into four sub-domain networks G1, G2, G3 and G4. TC1, TC2, TC3, and TC4 are four sub-domain controllers respectively. Sub-domain controller TC1 controls the link in sub-domain network G1, sub-domain controller TC2 controls the link in sub-domain network G2, and sub-domain controller TC3 The sub-domain controller controls the link in the sub-domain network G3, and the sub-domain controller TC4 controls the link in the sub-domain network G4. The super controller S-TS is connected with each sub-domain controller to control the link across the sub-domain network.

[0132] Refer to the topology structure of the sub-domain network discovered by the sub-domain controller TC1 in the first embodiment Figure 4A shown. Refer to the topology structure of the sub-domain network discovered by the sub-domain controller TC2 in the first embodiment Figure 4B shown. Refer to the topology structure of the sub...

Embodiment 2

[0141] Embodiment 2: Assuming that the parent controller is faulty and disconnected from the parent controller, the child domain controller sends controller application information to the proxy server to apply for a new parent controller, and the proxy server assigns a backup parent controller to the failed parent controller , the backup parent controller can be a parent controller that was not enabled before, or a parent controller that is currently running and has more idle resources. The proxy server sends the network resource information synchronized by the failed parent controller to the backup parent controller, and sends the communication address of the backup parent controller to the disconnected child domain controller, so that the child domain controller can communicate with the backup parent controller. The parent controller establishes a connection and cooperates to manage and control the network.

[0142] If the backup parent controller is not enabled before, the ...

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Abstract

The invention embodiment provides a network control method and device; the device comprises the following steps: obtaining network resource information and operation information of each controller of a controller group, wherein the controller group comprises a subdomain controller and a parent controller, the subdomain controller finds and controls the subdomain, and the parent controller controls whole network according to the subdomain controller; determining a fault controller, deciding a reserve controller according to the network resource information and operation information of each controller in the controller group, forwarding the network resource information of the fault controller to the reserve controller, enabling the reserve controller to control the network controlled by the fault controller, thereby solving the network jamming problem caused by the performance of a SDN controller which is unable to reach the requirement when the network controlled by the SND controller in the prior is big.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a network control method and device. Background technique [0002] At present, in order to solve the problems of current network operation and maintenance management difficulties, long productization cycle, and high equipment cost, the industry has proposed a software-defined network (Software Defined Network, SDN). refer to figure 1 As shown, the SDN mainly includes system components such as a northbound interface connecting upper-layer applications, an SDN controller, a switch supporting the SDN controller, and a southbound interface between the SDN controller and the switch. [0003] The SDN controller is the core system component of SDN and needs to support too many real-time functions. Therefore, the SDN controller has the following performance risks: [0004] (1) The control channel through the SDN controller is dense in information and prone to congestion. [000...

Claims

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Application Information

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IPC IPC(8): A99Z99/00
CPCH04L41/06H04L41/342
Inventor 李刚
Owner HUAWEI TECH CO LTD
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