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Service data packet encapsulating method and device

A technology for data packets and services, which is applied in network data management, secure communication devices, digital transmission systems, etc., and can solve problems such as high network overhead.

Active Publication Date: 2018-01-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing ID / Locator separation technology, the data packets that need to be sent by all services are encapsulated in a unified five-layer, which makes the network overhead larger

Method used

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  • Service data packet encapsulating method and device
  • Service data packet encapsulating method and device
  • Service data packet encapsulating method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] TCP / IP protocol (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Internet Protocol), is the most basic communication protocol of the Internet. Such as figure 1 As shown, the TCP / IP protocol is mainly composed of four layers, which are application layer, transport layer, network layer and network interface layer from top to bottom. due to figure 1 In the shown TCP / IP protocol architecture, the IP address at the network layer assumes the dual roles of communication device identity and location identification, and this dual role limits the mobility, security, and multi-platform accessibility of communication devices. In view of the above, those skilled in the art have proposed such as figure 1 The TCP / IP protocol of the shown ID ((identification, identity mark) and Locator (location mark). Wherein, the TCP / IP protocol includes five layers, which are respectively application layer, transport layer, ID layer from top to bottom layer...

Embodiment 2

[0117] In practical applications, the destination communication device can adopt the TCP / IP communication protocol with ID / Locator separation architecture, or the TCP / IP communication protocol with ID / Locator non-separation architecture (that is, the traditional TCP / IP four-layer communication protocol) , and for the destination communication device using the ID / Locator separation architecture and the destination communication device without the ID / Locator separation architecture, the source communication device obtains the destination ID and the destination Locator in different ways, so the source communication device before encapsulating the data packet , it is necessary to first determine the TCP / IP communication protocol architecture adopted by the destination communication device.

[0118] In the embodiment of the present invention, such as Figure 6 As shown, the following methods can be used to obtain the communication protocol architecture of the destination communicat...

Embodiment 3

[0143] If using any one of the three implementations provided in Embodiment 2, the source communication device determines that the destination communication device adopts the TCP / IP communication protocol of the ID / Locator separation architecture; The data packets to be sent are encapsulated at the application layer and the transport layer, and then steps S31 and S32 in Embodiment 1 are used to determine whether the current service needs mobility support;

[0144] 1. If the source communication device determines the current service and needs mobility support, its application scenarios can be found in Figure 7 , Step S33 in Embodiment 1: the source communication device acquires the source ID and source Locator of the source communication device, and the destination ID and destination Locator of the destination communication device, as follows:

[0145] The source communication device selects two IP addresses from a preset address pool as the source ID and source Locator respec...

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PUM

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Abstract

The invention discloses a service data packet encapsulating method and device. The method at least comprises the steps that a source communication device acquires the mobility support parameter of a current service, wherein the mobility support parameter is used for indicating whether a corresponding service needs mobility support, and the source communication device at least comprises an ID identity layer and a Locator location layer; the source communication device determines whether the current service needs mobility support according to the mobility support parameter of the current service; when the source communication device determines that the current service does not need mobility support, the source Locator of the source communications device and the destination Locator of a destination communications device are acquired; and the source Locator and the destination Locator are used to encapsulate the Locator layer of a data packet to be sent by the current service. According tothe service data packet encapsulating method and device, network overhead can be saved.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method and device for encapsulating service data packets. Background technique [0002] TCP / IP protocol (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Internet Protocol), is the most basic communication protocol of the Internet. Such as figure 1 As shown, the TCP / IP protocol is mainly composed of four layers, which are application layer, transport layer, network layer and network interface layer from top to bottom. due to figure 1 In the shown TCP / IP protocol architecture, the IP address at the network layer assumes the dual roles of communication device identity and location identification, and this dual role limits the mobility, security, and multi-platform accessibility of communication devices. In view of the above, those skilled in the art have proposed such as figure 1 The TCP / IP protocol of the shown ID ((identif...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08H04L29/12
CPCH04L69/161H04W80/04H04W88/023H04L9/40H04L61/5007H04L2101/604H04L61/10H04W8/26
Inventor 郑秀丽徐小虎王蛟
Owner HUAWEI TECH CO LTD
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