Network mobility multi-interface access implementation method and system based on N-PMIPv6

A technology of multi-interface access and implementation method, applied in the access field of mobile subnets, can solve the problem of not supporting multi-interface MR, etc., and achieve the effect of avoiding communication interruption and efficient and reasonable use

Inactive Publication Date: 2014-12-03
BEIJING JIAOTONG UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a method and system for realizing multi-interface access of a mobile subnet based on N-PMIPv6, so as to overcome the problem that the N-PMIPv6 network does not support multi-interface MR in the prior art

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  • Network mobility multi-interface access implementation method and system based on N-PMIPv6
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  • Network mobility multi-interface access implementation method and system based on N-PMIPv6

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[0039] The present invention will be further described below in conjunction with the accompanying drawings.

[0040] In the present invention, the multi-interface N-PMIPv6 system regards each interface of MR in N-PMIPv6 as MR entities that are independent and connected with each other. They independently access the PMIPv6 network and perform the MAG function independently. Provide mobility management services. figure 1 Taking two MNs as an example, the two interfaces of MR are respectively connected to the PMIPv6 network and register with PMIPv6. LMA will establish BCE for the two interfaces of MR respectively, as shown in Table 1, and assign a different Proxy to them respectively. -CoA. There are two MNs connected under MR, one MN accesses the PMIPv6 network through interface 1 of MR, and the other accesses the PMIPv6 network through interface 2. The two-way tunnel of LMA communication establishes different policy routes for the two MNs, so that the two MNs can communicate ...

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Abstract

The invention discloses a network mobility multi-interface access implementation method based on N-PMIPv6. The network mobility multi-interface access implementation method comprises the steps that BCE is established for each MR interface through an LMA in a PMIPv6 network, and different Proxy-CoAs are distributed to the MR interfaces; an MR allocates appropriate interfaces to at least one MN according to the state of each current interface; when one interface abnormally changes during operation of the MR, interface change is conducted on the MN using the interface according to interface switching indication information. The network mobility multi-interface access implementation method based on N-PMIPv6 has the advantages that the MR can have access to the PMIPv6 network through multiple interfaces, and services are provided for the multiple MNs under the MR; appropriate interfaces can be allocated to data streams of the MNs according to the delay, the bandwidth, the load, the signal intensity and other factors of each interface, and efficient and reasonable utilization of the multiple interfaces and load balance of services can be achieved; automatic switching of mobility conversation between the interfaces can be achieved through interface state dynamic monitoring, and communication interruption caused by deterioration of the states of interfaces is effectively avoided.

Description

technical field [0001] The invention relates to a method for accessing a mobile subnet, in particular to a method and system for realizing multi-interface access of a mobile subnet based on N-PMIPv6. Background technique [0002] With the popularization of the network, more and more users need to access the Internet anytime and anywhere. Users on trains, buses, private cars and other means of transportation also hope to enjoy high-quality network services while traveling. The NEMO (Network Mobility, mobile subnet) technology can provide mobility management for a mobile subnet composed of multiple mobile terminals, so as to provide network services for users on vehicles. The IETF has set up a NEMO working group dedicated to the research of NEMO technology. NEMO is based on Mobile IPv6, which inherits many advantages of Mobile IPv6, such as enabling terminals to maintain communication continuity during the mobile process. However, Mobile IPv6 requires the terminal to partic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/12H04W28/08H04W76/02
Inventor 秦雅娟刘伟陈光韬王林山楚青胡鸿王利利刘腾飞孙晓晗张宏科
Owner BEIJING JIAOTONG UNIV
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