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Status:

EXPERIMENTAL

Authors:

M. Blanchet
F. Parent

Stream:

INDEPENDENT

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DOI:  https://doi.org/10.17487/RFC5572

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Abstract

A tunnel broker with the Tunnel Setup Protocol (TSP) enables theestablishment of tunnels of various inner protocols, such as IPv6 orIPv4, inside various outer protocols packets, such as IPv4, IPv6, orUDP over IPv4 for IPv4 NAT traversal. The control protocol (TSP) isused by the tunnel client to negotiate the tunnel with the broker. Amobile node implementing TSP can be connected to both IPv4 and IPv6networks whether it is on IPv4 only, IPv4 behind a NAT, or on IPv6only. A tunnel broker may terminate the tunnels on remote tunnelservers or on itself. This document describes the TSP within themodel of the tunnel broker model. This document defines an Experimental Protocol for the Internet community.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.