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A Study on Preventing SA Re-negotiation for Mobility Support in Mobile IP VPN Environment  

차정석 (연세대학교 컴퓨터과학·산업시스템공학과 정보통신연구실)
김태윤 (연세대학교 컴퓨터과학·산업시스템공학과 정보통신연구실)
송주석 (연세대학교 컴퓨터과학·산업시스템공학과 정보통신연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.10B, 2003 , pp. 891-898 More about this Journal
Abstract
In the remote access VPN architecture which is based on IPsec, if the VPN client wants to be served the VPN service continuously during VPN client's handoff, It needs the techniques to merge VPN with Mobile IP. In this case, if the VPN client roams to new subnet, it acquires new CoA. As a result of changing IP address, existing SA becomes useless and new SA is required. The SA renegotiation process results from handoff of the VPN client and does not result from security aspect. Hence, In the environment which includes many handoffs, overhead by SA re-negotiation deteriorates performance. In this paper, we propose the technique provides that it doesn't need to renegotiate SA and be able to get the security service continuously even though MN's handoff occurs in Mobile IP VPN environment.
Keywords
Mobile IP; VPN; SA Re-negotiation;
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  • Reference
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