System and method of automatically preventing and arranging processing strategy conflicts

A technology for processing strategies and strategies, applied in transmission systems, digital transmission systems, electrical components, etc., can solve the problems of inability to realize strategy arrangement, conflict, and inability to realize strategy conflict prevention, and achieve the effect of realizing network security and efficient operation.

Active Publication Date: 2017-06-09
JIANGSU FUTURE NETWORKS INNOVATION
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Problems solved by technology

There is also a rule conflict between applications. Application 1 sends flow table 11 to switch 1, and sends the IPv4 data packet with source address A to port 1. Application 2 also sends flow table 21. To switch 1, send the TCP data packet whose source address is A to port 2. If the priority of the two is different, follow the rule with the higher priority. If the priority of the two is the same, it will cause a conflict. This is the flow rule pro

Method used

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  • System and method of automatically preventing and arranging processing strategy conflicts
  • System and method of automatically preventing and arranging processing strategy conflicts
  • System and method of automatically preventing and arranging processing strategy conflicts

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Embodiment Construction

[0038] A system and method for automatically preventing and orchestrating policy conflicts of the present invention will be further described in more detail below with reference to the accompanying drawings.

[0039] Such as figure 1 As shown, a system for automatically preventing and orchestrating policy conflicts of the present invention includes:

[0040] Traffic tracking module, conflict detection module and conflict resolution module;

[0041] The flow tracking module is used for: collecting network flow information and establishing a flow path.

[0042] The conflict detection module is used for: if the tracked flow path space overlaps with the denied authorization space, analyze the cause of the conflict.

[0043] The conflict resolution module is configured to resolve identified conflicts.

[0044] The system also updates flow rules and network topology information in a timely manner so that the system can re-propagate header objects on any relevant switches to updat...

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Abstract

The invention discloses a system and a method of automatically preventing and arranging processing strategy conflicts. The method of solving the processing strategy conflicts comprises steps that (1) when a first packet of a new business flow is transmitted to a controller, and the security authorization module of the controller is used for the safety rule matching of the data packet, and a network entry switch is used to admit or reject the new business flow; (2) a flow path is established by acquiring network flow information; (3) the strategy conflicts are detected, and different processing methods are adopted according to the different strategy conflicts. The system and the method are used to detect the safety strategy conflicts or application strategy conflicts caused by changes of network states and flow accurately. The system is capable of effectively and timely solve the conflicts according to the concrete states of the conflicts such as partial rule conflicts or full conflicts. The system and the method are used to detect and solve the strategy conflicts actively, and therefore the safety and high-efficiency operation of the network is realized.

Description

technical field [0001] The invention belongs to the technical field of network policy conflict resolution, in particular to a dynamic management method of a cloud host network interface. Background technique [0002] Software Defined Networking SDN (Software Defined Networking) is a new network innovation architecture proposed by the CleanSlate research group of Stanford University in the United States. Its core concept is the separation of data forwarding and control planes. OpenFlow is a software-defined network SDN solution, which greatly increases the flexibility of the network. [0003] A basic OpenFlow technology networking structure such as figure 1 As shown, it includes OpenFlow switches and controllers. When the first data packet arrives at the OpenFlow switch, the switch uses the OpenFlow protocol to forward it to the controller through a secure channel. The software on the controller makes a forwarding decision and sends the policy to the flow table of the switc...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L29/06
CPCH04L43/0823H04L43/0876H04L43/10H04L63/0263H04L63/1425
Inventor 黄韬魏亮周洪利檀朝红尚为进
Owner JIANGSU FUTURE NETWORKS INNOVATION
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