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Provider Provisioned based Mobile VPN using Dynamic VPN Site Configuration  

Byun, Hae-Sun (이화여자대학교 컴퓨터학과)
Lee, Mee-Jeong (이화여자대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Information Networking / v.34, no.1, 2007 , pp. 1-15 More about this Journal
Abstract
Increase in the wireless mobile network users brings the issue of mobility management into the Virtual Private Network (VPN) services. We propose a provider edge (PE)-based provider provisioned mobile VPN mechanism, which enables efficient communication between a mobile VPN user and one or more correspondents located in different VPN sites. The proposed mechanism not only reduces the IPSec tunnel overhead at the mobile user node to the minimum, but also enables the traffic to be delivered through optimized paths among the (mobile) VPN users without incurring significant extra IPSec tunnel overhead regardless of the user's locations. The proposed architecture and protocols are based on the BGP/MPLS VPN technology that is defined in RFC24547. A service provider platform entity named PPVPN Network Server (PNS) is defined in order to extend the BGP/MPLS VPN service to the mobile users. Compared to the user- and CE-based mobile VPN mechanisms, the proposed mechanism requires less overhead with respect to the IPSec tunnel management. The simulation results also show that it outperforms the existing mobile VPN mechanisms with respect to the handoff latency and/or the end-to-end packet delay.
Keywords
Mobile VPN; IPSec Tunnel; Mobile IP; PPVPN; Mobility; PE based VPN;
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  • Reference
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