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Strategy conflict solution method and device

A conflict resolution and strategy technology, applied in the field of communication, can solve the problem that the pre-research group cannot access the external network

Active Publication Date: 2014-10-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Policy 1 issued to the R&D department has a higher priority than Policy 2 issued to the pre-research team. Therefore, the forwarding device S0 will only forward packets according to policy 1, but will not forward packets according to policy 2, causing the pre-research team to Has been unable to access the external network

Method used

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  • Strategy conflict solution method and device

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Embodiment Construction

[0029] In the following description, for purposes of illustration rather than limitation, specific details, such as specific system architectures, interfaces, and techniques, are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0030] refer to figure 2 , figure 2 It is a flow chart of an embodiment of the policy conflict resolution method of the present application. figure 2 The execution subject of each step in the SDN may be the controller in the SDN, or the server in the coordination layer in the SDN. The following takes the controller as an example of execution, including:

[0031] 210: The con...

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Abstract

The invention discloses a strategy conflict solution method and device. The method includes the steps of receiving a first control strategy, resolving the first control strategy into m first rules, receiving a second control strategy, resolving the second control strategy into n second rules, conducting negation on each first rule to obtain a first reversed rule, conducting negation on each second rule to obtain a second reversed rule, generating a corresponding first execution rule through each first reversed rule and the corresponding second reversed rule according to the rule synthesis principle, deleting the invalid rules, enabling the rest of the first execution rules to serve as the valid first execution rules, conducting negation on each valid first execution rule, and then converting the valid first execution rules into forwarding table items corresponding to a first forwarding device according to the protocol supported by the first forwarding device. By means of the method, strategy conflicts can be solved.

Description

technical field [0001] The present application relates to the communication field, in particular to a policy conflict resolution method and device. Background technique [0002] Software Defined Network (SDN) is a new type of network architecture. Compared with the IP routing used in traditional networks, SDN / OpenFlow can achieve flexible control of network traffic and provide a good foundation for core network and application innovation. The platform is the direction of future network architecture development. [0003] Such as figure 1 As shown, the SDN generally includes two parts: a controller 110 and a forwarding device 120 . The controller 110 is respectively connected to each forwarding device 120 in the network, and the forwarding devices 120 in the network are topologically connected. The controller 110 is responsible for centralized control of the network, that is, after receiving the control policy, the controller 110 generates forwarding paths according to the ...

Claims

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Application Information

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IPC IPC(8): H04L12/813H04L47/20H04L45/60
CPCH04L41/142H04L41/0886H04L41/5048H04L47/19H04L41/0895H04L41/0894H04L41/0893H04L45/56
Inventor 董雯霞林程勇丁万夫李凤凯
Owner HUAWEI TECH CO LTD
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