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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Routing for Wireless/Mobile Hosts Working Group of the IETF.
Title : Route Optimization in Mobile IP
Author(s) : C. Perkins, D. Johnson
Filename : draft-ietf-mobileip-optim-10.txt
Pages : 25
Date : 22-Nov-00
Using the base Mobile IP protocol, all datagrams destined to a mobile
node are routed through that mobile node's home agent, which then
tunnels each datagram to the mobile node's current location. This
document defines Route Optimization messages and extensions to the
base protocol to optimize datagram routing to a mobile node. Using
these protocol extensions, correspondent nodes may cache the binding
of a mobile node, and then tunnel their datagrams for the mobile node
directly to the care-of address, bypassing the mobile node's home
agent. Extensions are also provided to allow datagrams in flight
when a mobile node moves, and datagrams sent based on an out-of-date
cached binding, to be forwarded directly to the mobile node's new
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