Interactive Connectivity Establishment

Interactive Connectivity Establishment

The Interactive Connectivity Establishment (ICE) draft, developed by the IETF's MMUSIC working group, provides a mechanism for NAT traversal, using various techniques. In particular, it is used to allow SIP-based VoIP clients to successfully traverse the variety of firewalls that may exist between a remote user and a network. It is also used by the Jingle extension to XMPP.

External links

* [http://www.isoc.org/tools/blogs/ietfjournal/?p=117 IETF Journal article on ICE] - read first
* [http://www.jdrosen.net/papers/ice-basic-tutorial.pdf ICE Tutorial]

IETF Specifications

* Interactive Connectivity Establishement (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols [http://tools.ietf.org/html/draft-ietf-mmusic-ice draft-ietf-mmusic-ice]
* Session Traversal Utilities for NAT (STUN) [http://tools.ietf.org/html/draft-ietf-behave-rfc3489bis draft-ietf-behave-rfc3489bis]
* Traversal Using Relays around NAT (TURN): Relay Extensions to STUN [http://tools.ietf.org/html/draft-ietf-behave-turn draft-ietf-behave-turn]

IETF Working Groups

* [http://www.ietf.org/html.charters/mmusic-charter.html MMUSIC working group]
* [http://www.ietf.org/html.charters/behave-charter.html BEHAVE working group]

Open Source Implementations

* [http://www.pjsip.org/pjnath/docs/html/index.htm PJNATH - Open Source ICE, STUN, and TURN Library]
* [http://nice.freedesktop.org/wiki/ Nice: GLib ICE library] only implements ICE Lite

ee also

*Traversal Using Relay NAT (TURN)
*Realm-Specific IP (RSIP)
*Middlebox Middlebox Communications (MIDCOM)
*SOCKS
*STUN Simple Traversal of UDP through NATs
*Universal Plug and Play (UPnP)


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