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In mobile IP, the home agent (HA) is an essential component. Mobile nodes will not function properly if the HA cannot be reached. Enhanced Route Optimization applies the Cryptographically Generated Home Address in the Mobile IPv6, to enhance the security and reduce the handoff delays. Unfortunately, it cannot provide home prefix validation. Communication with the Home Agent is still required to avoid...
With dynamic home agent address discovery (DHAAD), as specified in Mobile IPv6, a Mobile Node can discover the address of a suitable Home Agent on the home link. However, DHAAD suffers from security problems as the signaling is not authenticated nor integrity protected. The IETF has defined SEcure Neighbor Discovery that is providing security for the IPv6 Neighbor Discovery protocol, based on several...
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