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Network based MPLS VPN using BGP-E for Mobility Support  

Lee, Young-Seok (한국전자통신연구원)
Lim, Hyoung-Taek (충남대학교 컴퓨터공학과)
Choi, Hoon (충남대학교 컴퓨터공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.10B, 2003 , pp. 927-937 More about this Journal
Abstract
Network based VPN(Virtual Private Network) using MPLS(Multiprotocol Label Switching) technology is regarded as a good solution for intranets or extranets because of the low cost and the flexibility of the service provision. In this paper, we describea mechanism that allows the VPN users to move from one site to another site of the VPN network based on the BGP-E MPLS technology. This mechanism is designed for and implemented on PE(Provider Edge) routers of the backbone network. PE routers connected to the VPN sites establish a new MPLS path to the mobile node after they detect movement of the mobile VPN node. The new location may belong to the same VPN or to different VPN. We designed VPN management and control functions of the PE routers in order to interface with the Mobile IP protocol. The pilot implementation and performance measurement were carried out on a testbed.
Keywords
VPN; MPLS; Mobile IP; BGP-E;
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