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Communication method in mobile IPv6 and mobile IPv6 communication system

A communication method and mobile node technology, applied in the field of network communication, can solve the problems of high header overhead and inability to achieve privacy, and achieve good security, save header space, and simple content

Active Publication Date: 2008-03-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the replacement character of the home address is as long as the home address, and the overhead of the header is still large. At the same time, based on the generation conditions of the home address replacement character, it needs to be related to a lot of content, and complete privacy cannot be achieved.

Method used

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  • Communication method in mobile IPv6 and mobile IPv6 communication system
  • Communication method in mobile IPv6 and mobile IPv6 communication system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1, a kind of communication method in mobile IPv6, flow process as shown in Figure 1, comprises steps:

[0034] A1. Notify the home agent and / or the communication node of the association relationship between the home address of the mobile node and the home address index. In this embodiment, the binding update process is used to perform the notification of the above association relationship, specifically including:

[0035] A11, MN sends BU message to HA or CN, including,

[0036] A111. Carry HoA and the home address index (HoAIndex) corresponding to HoA one-to-one in the BU message;

[0037] The home address index is a one-to-one correspondence value provided by the MN to its HoA. When a MN has one or more home addresses, a list of its home addresses is stored in its cache, and the list can be stored in an array, a linked list or in other ways. Each of the n (n>=1) home addresses of the MN can establish a single mapping relationship with the number set of 0~...

Embodiment 2

[0052] Embodiment 2. A communication method in Mobile IPv6. The process is shown in FIG. 2. The method of this embodiment is basically the same as that of Embodiment 1. The difference is that this embodiment uses the binding index extension header to carry the home address index. , including the steps:

[0053] B1. Executing the binding update process, binding and updating the association relationship of HoA, HoA Index and CoA to the binding cache entry of the endpoint that needs to communicate. This step can be carried out according to the method provided in step A1 of embodiment 1;

[0054] B2. Carry the home address index with the binding index extension header added in the IPv6 header, cancel the home address option or the second type routing header in the message, and send the message;

[0055] The binding index extension header in this embodiment can adopt the format shown in Figure 3, and the extension header is defined according to the general format of the extension h...

Embodiment 3

[0063] Embodiment 3. A communication method in Mobile IPv6. The process is shown in FIG. 4. The method of this embodiment is basically the same as that of Embodiment 2. The difference is that this embodiment uses two binding index extension headers to carry the home address Address index, including steps:

[0064] C1. Execute the binding update process, and bind and update the association relationship of HoA, HoA Index and CoA to the binding cache entry of the endpoint that needs to communicate. This step can be performed according to the method provided in step A1 of Embodiment 1;

[0065] C2. Use the two binding index extension headers added in the IPv6 header, the source binding index extension header and the destination binding index extension header, to carry the home address index, and cancel the home address option or the second type of routing in the message header, to send the message;

[0066] Both of the two binding index extension headers in this embodiment adopt ...

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Abstract

The core idea of the method is that the method informs association relation between the home address index and the home address to corresponding communication end point (CEP); then using one-to-one correspondence between the home address index and the home address stored in buffered list items at each CEP, the method replaces option of home address and second kind of route head by home address index option or expanded head of binding indexes including carried home address indexes in data packet. The invention also discloses corresponding mobile IPv6 transmission system. The invention can reduce overhead of mobile IPv6 packet head effectively. Since content of home address index is simple and is not correlative to any privacy parameter, thus, the invention makes mobile users possess better security in communication.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to the communication technology in the sixth edition of the mobile internet protocol. Background technique [0002] Mobile Internet Protocol Version 6 (IPv6: Internet Protocol version 6) is a solution to mobility at the network layer. There are three basic network entities in Mobile IPv6: Mobile Node (MN: Mobile Node), Correspondent Node (CN: Correspondent Node) and Home Agent (HA: Home Agent). [0003] A mobile node can be uniquely identified by its home address (HoA: Home Address). When the mobile node roams to a foreign network, it will generate a care-of address (CoA: Care of Address) in a certain way. The Mobile IPv6 specification requires that when a mobile node moves from one link to another, the ongoing communication using the home address is not interrupted, and the mobility of the node is transparent to the transport layer and other high-level protocols. Mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/08H04L12/56H04Q7/38H04L12/28H04W12/00H04W80/04
CPCH04W60/00H04W8/26H04L61/6059H04W8/14H04L29/12915H04W80/04H04L61/6004H04W12/02H04L63/0414H04L29/12801H04W28/06H04W8/16H04L2101/659H04L2101/604
Inventor 李春强
Owner HUAWEI TECH CO LTD
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