A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Route Optimization and Location Privacy using Tunneling Agents (ROTA)
Author(s) : K. Weniger, T. Aramaki
Filename : draft-weniger-rota-01.txt
Pages : 48
Date : 2005-10-21
Mobile IPv6 in route optimization mode reveals mobile node's care-of
address to the correspondent node and hence cannot provide location
privacy. In contrast, Mobile IPv6 in bi-directional tunneling mode
can provide location privacy, but the resulting route may be far from
optimal, especially when correspondent node is mobile as well. This
may be an issue for conversational mobile-to-mobile communication
scenarios, e.g., using VoIP. The draft discusses the problem of
providing both location privacy and route optimization with Mobile
IPv6 and describes a solution in terms of an optional extension to
Mobile IPv6. The basic idea is that mobile nodes switch the reverse
tunnel endpoint in bi-directional tunneling mode from their home
agent to a so-called tunneling agent in an on-demand manner. To
ensure location privacy, the tunneling agent selection is done by the
home agents. The solution does not require the mobile node to change
its home address and does not rely on visited network support.
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