Decius wrote: ] ] Host Identity Protocol [3] (HIP) defines a mechanism that ] ] decouples the transport layer from the internetworking ] ] layer, and introduces a new Host Identity namespace. When ] ] a host uses HIP, the transport layer sockets and IPsec ] ] Security Associations are not bound to IP addresses but ] ] to Host Identifiers. This document specifies how the ] ] mapping from Host Identifiers to IP addresses can be ] ] extended from a static one-to-one mapping into a dynamic ] ] one-to-many mapping. This enables end-host mobility and ] ] multi-homing. ] ] ] Abaddon and I spent some time last summer working on a protocl ] called Adaptive Addressing Protocol (AAP). It was an attempt ] to make Mobile IP less silly by allowing hosts to change their ] IP addresses without dropping connections. It did so by ] associating connections with a unique identifier, secured by a ] Diffie Hellman key exchange. Last night, Jeremy points me at ] this. This is APP, basically. Its amazing how close our ] designs are. Its also *really* frustrating. We were going to ] have a working demo this weekend for Phreaknic. ] ] I'm going to read through this stuff and see if there are any ] design decisions that we made that might be of value to this ] working group. Having said that, its worth memeing this ] documentation. This is the right answer for mobile IP ] and it will probably be the answer we end up with for ] multihoming of small networks because deploying something like ] this is less expensive then renumbering the internet ] geographically. I've had this idea before as well. Yay! RE: Host Identity Protocol |