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Chip implementation method of default strategy routing and chip processing method and device of data message

A technology of data message and processing method, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of data message transfer to public network IP-B by mistake, and ACL cannot directly meet the demand, so as to reduce the Impact and difficulty of deployment, satisfying normal access, and simplifying the effect of implementation

Inactive Publication Date: 2021-04-02
SUZHOU CENTEC COMM CO LTD
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Problems solved by technology

However, the problem caused by the above solution is: ACL based on source IP cannot directly meet the requirements of DefaultPBR (default policy routing)
The key (keyword) issued by the gateway device is the PBR entry of IP-A, which will not only match the data packets from IP-A to IP-B, but also match the data packets from IP-A to IP-C. As a result, the data packets from IP-A to IP-C are mistakenly forwarded to the public network IP-B
[0007] Therefore, on the egress gateway device of the data center, it is also necessary to distinguish that the traffic accessing the address of the intranet server needs to be routed and forwarded based on IPDA, which cannot be matched by the PBR policy. Therefore, the traditional PBR technology cannot directly meet this requirement.

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  • Chip implementation method of default strategy routing and chip processing method and device of data message
  • Chip implementation method of default strategy routing and chip processing method and device of data message
  • Chip implementation method of default strategy routing and chip processing method and device of data message

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Embodiment Construction

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0038] A chip implementation method of default policy routing disclosed by the present invention, a chip processing method and device for data packets, without affecting the chip design of the existing routing technology and PBR technology, through the matching of ACL matching keywords The capability is enhanced to implement the default policy routing, and by deploying the default policy routing on the egress gateway device of the data center, the normal access between the private network server and the public network server can be satisfied.

[0039] combine Figure 2 ~ Figure 4 As shown, a method for implementing default policy routing in a network chip disclosed by the present invention implements default policy routing (Default PBR) by multiplexing ACL entries. Specifically, the ...

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Abstract

The invention discloses a chip implementation method of default strategy routing and a chip processing method and device of a data message. A search matching keyword of the default strategy routing isconfigured to at least comprise a source IP address and a routing matching state, and the routing matching state is obtained according to a search result after a network chip performs routing search;the matching priority of the default policy routing is less than the matching priority of the clear routing. The default strategy routing is realized by enhancing the matching capability of the ACL matching keyword, and the normal access between the private network server and the public network server can be met by deploying the Default PBR on the data center exit gateway equipment on the premiseof not influencing the chip design of the existing routing and PBR technology.

Description

technical field [0001] The invention relates to the technical field of implementing default policy routing, in particular to a method for implementing a chip for default policy routing, a chip processing method and device for data messages. Background technique [0002] PBR (Policy Based Routing) is a policy routing technology, PBR supports matching the source IP address of the data flow for forwarding. Different from the traditional routing and forwarding technology based on the destination IP address, PBR policy routing is forwarded based on the source IP address, and the PBR matching priority is higher than that of the traditional IP routing technology. Therefore, in the case of mixed deployment with traditional routing entries, PBR policy routing will be forwarded preferentially. [0003] A typical application scenario of PBR is to use PBR to implement security filtering. According to the characteristic IP address of the attacker, PBR entries are sent up and down the ne...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/725H04L12/741H04L45/74
CPCH04L45/30H04L45/54
Inventor 成伟王俊杰
Owner SUZHOU CENTEC COMM CO LTD
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