A method and system for realizing multi-interface access of mobile subnet 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: 2017-12-05
BEIJING JIAOTONG UNIV
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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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  • A method and system for realizing multi-interface access of mobile subnet based on n-pmipv6
  • A method and system for realizing multi-interface access of mobile subnet based on n-pmipv6
  • A method and system for realizing multi-interface access of mobile subnet 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 method for realizing multi-interface access of a mobile subnet based on N-PMIPv6. The steps of the method include establishing a BCE for each MR interface by using an LMA in the PMIPv6 network, and assigning different Proxy-CoA to it; MR Allocate a suitable interface for at least one MN according to the current state of each interface; when the interface of the MR changes abnormally during operation, it will change the interface of the MN using the interface according to the interface switching instruction message. The technical solution of the present invention has the advantages of: it can realize that MR uses multiple interfaces to access the PMIPv6 network, and provides services for multiple MNs under it; The data stream can be allocated to the appropriate interface to achieve efficient and reasonable use of multiple interfaces and business load balancing; the automatic switching of mobile sessions between interfaces can be realized through dynamic monitoring of interface status, effectively avoiding communication interruption caused by interface status deterioration.

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 Patents(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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