Method and device for strengthening safety of protocol message

A technology of protocol messages and messages, applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problems of protocol message processing delay, limited number of messages, protocol message discarding, etc., and reduce maintenance costs , Improve timeliness and continuity, and improve stability

Inactive Publication Date: 2007-02-14
ZTE CORP
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AI Technical Summary

Problems solved by technology

Due to the limitation of CPU processing capacity, the number of packets that can be sent per second is limited. When a large number of packets need to be sent, some packets are discarded due to the limitation of queue length, which may cause protocol packets to be discarded.
In addition, because the number of protocol packets is relatively small compared with the number of ordinary packets, when they are sent to the processor on a queue, they can only be sent sequentially, so that when the CPU processes the packets, it can only process them sequentially , resulting in a delay in the processing of protocol packet

Method used

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  • Method and device for strengthening safety of protocol message
  • Method and device for strengthening safety of protocol message

Examples

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Example Embodiment

[0029] The technical scheme of the present invention will be further described below in conjunction with the accompanying drawings:

[0030] The device for enhancing the security of protocol messages in this embodiment is as follows figure 2 As shown, it includes a message receiving module, a configuration module, a message classification and mapping module, a message buffer module, a message scheduling module, and a message processing module. Each module is implemented by corresponding software and hardware on a three-layer network device. among them:

[0031] The message receiving module is used to receive various messages sent to the device, including data messages and protocol messages.

[0032] The configuration module is used to provide a man-machine interface, and set the priority according to the message type, and the message that needs to be processed first has a higher priority.

[0033] The message classification and mapping module is used to determine the type of the m...

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Abstract

This invention discloses a method and a device for strengthening safety of protocol messages, in which, the device includes a message receiving module, a buffer storage modull, a message despatch module, a message process module, a sorting mapping module and a configuratioin module, first of all, the configuration module sets different priorities for different kinds of messages, and the message needing to be processed mostly has the maximum priority and related receiving queues are set for different priority messages in the buffer stored module, after receiving the message, the mapping module first of all decides the kind of the message, then maps the message to the receiving queue corresponding to the priority of the buffer module then again the message despatch module transmits messages in the receiving queue with higher priorities to the processor according to the despatch algorithm, which can transmit protocol messages to CPU in three-layer network devices.

Description

technical field [0001] The invention relates to message interaction of three-layer network equipment, in particular to a method and device for enhancing protocol message exchange security. Background technique [0002] With the rapid development of information technology, the composition of the network becomes more and more complex, and more and more layer-3 network devices participate in the network. In a network composed of layer-3 network devices, layer-3 network devices often need to exchange protocol packets, such as routing protocols BGP (Border Gateway Protocol), OSPF (Open Shortest Path First), etc., or layer-2 protocols such as STP (Spanning Tree Protocol), LACP (Link Aggregation Control Protocol) protocol, etc. Generally, these protocol packets are transmitted from the underlying hardware to the CPU in the device for processing. Layer 3 network devices rely on protocol packets to determine link status, routing information, etc., so as to ensure normal data forwar...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/773
Inventor 毛继平过仕好高辉
Owner ZTE CORP
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