A Network-Based Global Mobility Communication Method

A communication method and mobility technology, applied in the field of network communication and communication, can solve problems such as restricting application scenarios, and achieve the effect of expanding the scope of application and realizing support

Active Publication Date: 2017-12-15
CHINA INTERNET NETWORK INFORMATION CENTER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, the network-based mobility protocol also determines that it is only suitable for local-scale mobility management, which greatly limits its application scenarios

Method used

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  • A Network-Based Global Mobility Communication Method
  • A Network-Based Global Mobility Communication Method
  • A Network-Based Global Mobility Communication Method

Examples

Experimental program
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Embodiment Construction

[0034] Attached below figure 1 The present invention is described in further detail:

[0035] The global mobility management framework of the present invention is as figure 1 shown.

[0036] As a global mobility management device, the HA, as a global mobility management entity, controls and manages each subscribed PMIPv6 domain, and implements authentication and basic information maintenance for all MNs. HA mainly has the following functions:

[0037] 1) Distribute identity mark (HoA) for MN, and this HoA is the IP address that MN establishes all upper-layer applications, so it is called the identity mark of MN;

[0038] 2) Guide the data packets sent to HoA through mechanisms such as proxy neighbor notification;

[0039] 3) Establish the mapping relationship between the HoA of the MN and the actual address CoA of the interface, so that the data packet sent to the HoA can be mapped to the correct position, and the CoA is the address configured by the MN according to the HNP ...

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Abstract

The invention discloses a network-based global mobile communication method. PMIPv6 (Proxy Mobile IPv6) and MIPv6 (Mobile IPv6) are expanded to realize network-based global mobile support. An HoA (Home Address) mentioned in the scheme is a fixed address distributed by an HA (Home Agent), and a CoA (Care-of Address) is the address of an HNP (Home Network Prefix) configuration distributed by an MN (Mobile Node) according to an LMA (Local Mobility Anchor). Therefore, on the MN, the continuity of upper-level application is guaranteed by mapping an identity identifier HoA and an address identifier CoA and data forwarding is performed. In order to guarantee synchronization of global mobile management between the MN and the HA, the mapping item contains a priority parameter. The method inherits the advantage of network-based mobile management and also realizes support for various mobile scenes, wherein the support includes intra-domain mobile support of a single-interface terminal, inter-domain mobile support of a single-interface or a multi-interface terminal, and vertical switching support of a multi-interface terminal.

Description

technical field [0001] The invention relates to a communication method, in particular to a network-based global mobility communication method, and belongs to the technical field of network communication. Background technique [0002] In recent years, the rapid development of wireless network technology and application services has created an era of mobile computing. However, in traditional mobile communication networks, mobility management is performed at the link layer. With the transition to IP-based packet switching networks, link layer mobility cannot solve the problems caused by switching between different IP subnets. So IETF started the research and standardization work of network layer mobility protocol. Initially, the network layer mobility protocols proposed by the IETF are all client-based, such as Mobile IPv6 (MobileIPv6, MIPv6) and its optimization protocols. However, there are some disadvantages in the terminal-based mobility management protocol, such as the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W8/26H04L29/12
CPCH04L61/255H04W8/12H04W8/26
Inventor 延志伟胡安磊
Owner CHINA INTERNET NETWORK INFORMATION CENTER
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