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Method for partitioned document recombination and service distribution

A fragmented and message-based technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as inappropriateness, transmission failure, and lack of flexibility, and achieve low overhead and avoid reorganization bottlenecks

Inactive Publication Date: 2009-06-10
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0004] In order to solve this problem, people often use the method of limiting the MTU (Maximum Transmission Unit) of the network to ensure that IP packet fragmentation does not occur during the entire end-to-end transmission. Once a fragmented packet is found, it is discarded. transfer failed
This method has great limitations. First, the application layer of the peer device puts forward additional requirements and lacks flexibility. If the application layer does not support the detection of the network MTU and the fragmentation of the application layer load according to the network MTU, or supports If it is not done well, the transmission will fail; the other is that it is obviously inappropriate to treat the transmission path as static. The transmission path is likely to change during a business process, and if you want to dynamically monitor the network MTU , it is technically very difficult. In the worst case, the network MTU will keep oscillating

Method used

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  • Method for partitioned document recombination and service distribution
  • Method for partitioned document recombination and service distribution
  • Method for partitioned document recombination and service distribution

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Experimental program
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Embodiment Construction

[0028] like figure 1 The shown reorganization and business distribution method of the present invention specifically includes the following processing steps:

[0029] 1. The entire distributed system is logically divided into an interface module part, a reorganization module part and a business module part, and each part includes several modules;

[0030] 2. The interface module receives the IP message sent by the superior, and judges whether it is a fragmented IP message, if yes, then turn to step 3, otherwise, turn to step 5;

[0031] 3. The interface module forwards the IP message to the corresponding reassembly module according to the service information of the IP message and according to the set distribution strategy;

[0032] 4. The reorganization module temporarily stores and reorganizes the fragmented IP message, if the reorganization is completed, turn to step 5, if the subsequent fragmented IP message has not arrived within the timing range, then return failure;

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Abstract

This invention relates to a method for reassembling IP segment messages and allocating service when using a single IP address to realize service by dividing the distributed system in logic into an interface module, a reassembling module part and service module part, the reassembling module finishes the reassembling of IP segment messages to assign the IP segment messages to assign the IP segment messages into multiple reassembling modules uniformly and cheaply and avoid IP segment message reassembling neck in the single IP address distributed process system.

Description

Technical field: [0001] The present invention relates to a method for reorganizing IP fragmented messages and distributing services, in particular to performing distributed reorganization on received IP fragmented messages when a distributed processing system uses a single IP address to implement services, and for further distributed A method of allocation for business processing. Background technique: [0002] Network and communication is one of the hottest and fastest-growing fields today. In order to cope with the increasingly busy information flow, the speed of the network has been developed from 155Mb / s a few years ago to the current 10Gb / s. Will increase to 40Gb / s within the year. At the same time, the processing capacity of communication network equipment continues to improve, and various large-capacity node devices continue to appear. The structure of single CPU and centralized processing is increasingly unable to meet the needs of the market. Nowadays, manufacture...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L29/06H04L12/56H04L47/43
Inventor 金友兴张云翔
Owner ZTE CORP
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