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Message encapsulation/decapsulation device and method

A packet encapsulation and decapsulation technology, applied in the field of network communication, can solve problems such as waste of system resources, and achieve the effect of avoiding handover and system overhead.

Inactive Publication Date: 2012-05-09
SHANGHAI DINGZHU COMM TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a device and method for packet encapsulation and decapsulation, which solves the problem that in the process of existing network sessions, the messages of the control plane and the user plane may need to be re-encapsulated and decapsulated. Frequent copying of data between user mode and kernel mode causes waste of system resources

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  • Message encapsulation/decapsulation device and method
  • Message encapsulation/decapsulation device and method
  • Message encapsulation/decapsulation device and method

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Embodiment Construction

[0029] The specific implementation of the message encapsulation and decapsulation method provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] In the process of establishing a network session, the control plane follows the signaling process, and the data flow is relatively small. It is internally interconnected through Ethernet for internal control and signaling flow interconnection; the user plane uses user data flow for media flow interaction. Even, the user plane data stream includes voice streams such as G.711, ATM voice data, IP voice data, etc., and the data traffic is relatively large.

[0031] Reference attached figure 2 , a schematic structural diagram of a device for packet encapsulation and decapsulation according to the present invention, including a network session application module M21, an upper layer application protocol module M22, a private protocol encapsulation module M23, a private prot...

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Abstract

The invention relates to a message encapsulation / decapsulation device. The message encapsulation / decapsulation device comprises a network session application module, an upper-layer application protocol module, an IP (internet protocol)-layer module, a control surface processing program module and an equipment drive module, and further comprises a private protocol encapsulation module, a private protocol decapsulation module and a packet receiving / sending module, wherein both the private protocol encapsulation module and the private protocol decapsulation module are arranged between the upper-layer application protocol module and the IP-layer module; the private protocol encapsulation module is used for encapsulating a private protocol message; the private protocol decapsulation module is used for decapsulating a private protocol message; and the packet receiving / sending module is arranged between the control surface processing program module and the equipment drive module, and is used for filtering out a control surface message from data messages in the network session process and sending out the control surface message encapsulated by the control surface processing program module through the equipment drive module.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a device and method for packet encapsulation and decapsulation. Background technique [0002] Ethernet (Ethernet) technology, as a commonly used LAN networking method, is widely used in various fields such as limited data communication, wireless data communication, and network monitoring. Due to the limited transmission distance of Ethernet itself, when Ethernet packets need to be transmitted over a long distance, the Ethernet packets need to be encapsulated before transmission. Linux is a free Unix-like multi-user and multi-tasking operating system. It has the advantages of small kernel, high efficiency, and open source code. It also includes TCP / IP network protocol, which is very suitable for use in the server field. One of the uses is for network communication. [0003] Reference attached figure 1 , a schematic diagram of an IP packet encapsulation and...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/08H04L47/43H04L12/46
Inventor 罗慧骏
Owner SHANGHAI DINGZHU COMM TECH
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