Message forwarding method and message forwarding device

A message forwarding and message technology, applied in the field of network communication, can solve problems such as low forwarding efficiency and high CPU resource consumption

Inactive Publication Date: 2013-08-07
OPZOON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a message forwarding method, which solves the problems of large CPU resource consumption and low forwarding efficiency in the process of message forwarding

Method used

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  • Message forwarding method and message forwarding device

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] The present invention provides a message forwarding method, such as figure 1 As shown in the flow of steps, the method includes:

[0025] S1. The network device receives the packet to be forwarded, and obtains the quintuple.

[0026] A network device such as a network firewall receives a packet to be forwarded, and obtains the quintuple information of the packet.

[0027] S2. Find whether there is a message forwarding session table matching the five-tuple in the existing message forwarding session table, if yes, process the forwarded message according to the processing mode recorded in the matching message forwarding session table Process and send the processed message;

[0028] Otherwise, check whether there is a blacklist session table matching the five-tuple in the existing blacklist session table, and if yes, discard the...

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Abstract

The invention provides a message forwarding method and a message forwarding device. The method comprises the following steps: receiving a message to be forwarded by a network device, and acquiring a 5-tuple group; finding out whether a message forwarding session table matched with the 5-tuple group exists in the existing message forwarding session tables, if so, processing the message to be forwarded through a processing manner recorded in the matched message forwarding session table, and transmitting the processed message; if not, finding out whether a blacklist session table matched with the 5-tuple group exists in the existing blacklist session tables, if so, discarding the message to be forwarded, and if not, processing the message to be forwarded by the network device; if the message to be forwarded is processed and successfully transmitted, establishing the message forwarding session table of the 5-tuple group; recording the processing manner into the message forwarding session table; if the message to be forwarded is discarded by any one module in processing, establishing the blacklist session table of the 5-tuple group; and recording a discarding module and discarding reasons into the blacklist session table. With the adoption of the message forwarding method and the message forwarding device, CPU (central processing unit) consumption can be reduced, and the forwarding efficiency is improved.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a message forwarding method and equipment. Background technique [0002] The current forwarding of packets by network devices is as follows: use quintuples to establish a packet forwarding session table, find the corresponding packet forwarding session table by matching the quintuple information of the packet, and process the packet according to the packet processing method recorded in the forwarding table. The message is processed and forwarded. [0003] During the forwarding process of the message by the network device, the message needs to be processed, including: ACL (access control list) judgment, aaa (authentication and authorization statistics-network security system) authentication, Nat (network address translation) operation, IPsec (network security protocol) encryption operations, routing lookup operations. Each of the above operation steps can lead to the failure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/741H04L45/74
Inventor 陈海滨
Owner OPZOON TECH
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