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Title : IPv6 Tunnel Broker with the Tunnel Setup Protocol(TSP)
Author(s) : M. Blanchet
Filename : draft-blanchet-v6ops-tunnelbroker-tsp-00.txt
Pages : 21
Date : 2004-2-10
A tunnel broker with the Tunnel Setup Protocol(TSP) enables the
establishment of tunnels of various inner protocols, such as IPv6 or
IPv4, inside various outer protocols packets, such as IPv4, IPv6 or
UDP over IPv4 for IPv4 NAT traversal. The control protocol (TSP) is
used by the tunnel client to negociate the tunnel with the broker.
The negociation involves authentication, authorization, tunnel
information such as IP addresses, prefixes when the client is a
router, DNS information such as the NS for the inverse zone
corresponding to the delegated prefix, etc. Some parameters may be
proposed by the broker, such as the transport over UDP IPv4 where an
IPv4 NAT is found in the path between the client and the broker. A
mobile node implementing TSP can be connected to both IPv4 and IPv6
networks whether he is on IPv4, IPv4 behind a NAT or on IPv6. A
tunnel broker may terminate the tunnels on remote tunnel servers or
on itself. This document describes the TSP protocol within the model
of the tunnel broker [3].
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