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A Simple Solution to Scale-Free Internet Host Mobility


We introduce a simple solution for the support of host mobility in the Internet called DIME (Dynamic Internet Mobility for End-Systems). DIME is based on dynamic address translation between the transport and network layers of end hosts, combined with a new out-of-band protocol that updates host-address bindings between communicating hosts opportunistically. It does not require modifications to the end-host operating systems, end-user applications, existing communication protocols or hardware, or the domain name system and any host-identifier namespace. A number of experiments based on a Linux daemon implementation of DIME are used to show that DIME is deployable on a wide range of hardware, and that it outperforms existing mobility proposals such as MIPv6 and HIP across a wide range of performance metrics.

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