An Evaluation and Analysis for IP VPN Model in IPv6 Transition Environment
Many transition mechanisms and scenarios have studied for the using of IPv6 network efficiently. The VPN in IPv4 network is the main security application. Also it is necessary to use VPN during the transition period to IPv6 network. The VPN service provides the confidentiality and integrity for transmitted packets. But there are some difficulties to connect end-to-end VPN without a conversion between IPv4 and IPv6. Therefore, we analyze the suitability of the various applying model of VPN in conjunction with the transition mechanisms and evaluate the performance cost of this model. In the case of using the transition mechanism and VPN technology simultaneous, we can know the performance factors as follows: whether end points of the VPN tunnel and IP tunnel agree upon or not, the applying place of transition mechanism and VPN model according to network environment. Therefore, it should consider carefully evaluated applying model according to the required security level and connectivity.
KeywordsTransition Mechanism Internet Service Provider Home Network Tunneling Mechanism IEEE Communication Magazine
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