Name: draft-clausen-nemo-ro-problem-statement-00
Title: NEMO Route Optimisation Problem Statement
State: Active
Authors: Thomas Clausen, Emmanuel Baccelli, Ryuji Wakikawa
Group: Individual Submissions (none)
Date: 2004-10-19
The NEMO working group has developed a protocol suite, extending the notion
of edge-mobility on the Internet to include that of network mobility. This
implies that a set of nodes, along with their mobile router, change their
point of attachment and that traffic to these nodes is tunneled to be
delivered through their new point of attachment. This mechanism is
transparent to applications in that existing traffic to a node is being
encapsulated and tunneled, regardless of where the network containing the
destination node is attached. The NEMO specification is not limited to a
single level of mobile networks, attaching to the stationary Internet.
Rather, arbitrary levels of nested mobile networks are supported, employing
for each level of nesting the same encapsulation and tunneling mechanisms.
With arbitrarily deep nested mobile networks, the overhead incurred through
tunneling and encapsulation of data traffic can, however, become large. As
a consequence, a number of different proposals exist, which aim at
performing "route optimization" for nested mobile networks. This document
aims at describing the different scenarios in which route-optimization is
desired, as well as the different proposed solutions for achieving
route-optimization in nested mobile networks.
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