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Method and system for quick responding IP banding message

An IP fragmentation, fast response technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve the problems of time-consuming reorganization and inter-board transfer, so as to meet real-time requirements, improve response time, and reduce reorganization. effect of overhead

Inactive Publication Date: 2006-12-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, in addition to the time-consuming reorganization, the transfer between boards also takes a certain amount of time.

Method used

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  • Method and system for quick responding IP banding message
  • Method and system for quick responding IP banding message
  • Method and system for quick responding IP banding message

Examples

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Embodiment Construction

[0071] In the business that requires high real-time response processing, after the network layer of the IP destination waits for all IP fragmented packets to arrive, the transport layer responds to the reassembled IP packets, which may not meet the real-time requirements, especially Because the IP destination adopts a distributed structure, different fragments may reach different interface boards at the destination, and recombination needs to be transferred between boards, which further affects the real-time performance of response processing.

[0072] The present invention provides a method for quickly responding to an IP fragment message, the core of which includes: the IP destination terminal receives the IP fragment message, determines that the IP fragment message needs a direct response, and immediately sends the IP fragment message at the network layer. The fragment message response information is sent to the IP sender, which improves the real-time performance of the resp...

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Abstract

The method comprises: IP sending end sends out IP fragmentation message; IP destination end receives the IP fragmentation message, and decides if the IP fragmentation message needs a direct response; if yes, the IP destination end immediately sends the response to said IP sending end; otherwise, said IP destination end recombines said IP fragmentation message. By making a response processing for the IP fragmentation message, the response time for IP fragmentation message is shortened; as the response to IP sending end is not made after recombination of IP fragmentation message at IP destination end, the combination expense of response time is reduced.

Description

technical field [0001] The invention relates to message processing technology in network communication, in particular to a method and system for quickly responding to IP fragment messages. Background technique [0002] When transmitting data in the network, the physical network layer generally limits the maximum length of each data frame sent. Whenever the IP (Internet Protocol, network protocol) layer receives an IP message to be sent, it determines which interface to send data to locally, and queries the interface to obtain its MTU (Maximum Transmission Unit, maximum transmission unit). At the IP layer, the MTU of the receiving interface is compared with the length of the IP packet to be sent, and the IP packet is fragmented as needed, and divided into several IP fragmented packets, that is, except the last piece of The size of a fragment packet reaches the transmission capacity of the MTU. [0003] The destination interface is reassembled, that is, reassembled, only aft...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L12/70
Inventor 梁铷
Owner HUAWEI TECH CO LTD
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