Tunnel Setup Protocol
|IPv6 transition mechanisms|
In computer networking, the Tunnel Setup Protocol (TSP) is a networking control protocol used to negotiate IP tunnel setup parameters between a tunnel client host and a tunnel broker server, the tunnel end-points. The protocol is defined in RFC 5572. A major use of TSP is in IPv6 transition mechanisms.
The TSP protocol performs negotiation of the following parameters:
- User authentication using the Simple Authentication and Security Layer (SASL) protocol (RFC 4422).
- Tunnel encapsulation for a variety of tunneling scenarios:
- IP address assignment for both tunnel endpoints
- Domain Name System (DNS) registration of end point addresses and reverse DNS
- Tunnel keep-alive mechanism as needed
- IPv6 address prefix assignment for routers
- Routing protocols
A TSP session is initiated by the TSP client in the goal of establishing an end-to-end tunnel with the TSP server (tunnel broker). The session consists of a basic exchange of XML-encoded data using TCP or UDP. After the negotiation of tunnel setup parameters, the session is terminated and the client undertakes the task of configuring its local tunnel endpoint.
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