Interactive Connectivity Establishment

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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.

[edit] See also

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

[edit] External links

• IETF draft: ICE NAT traversal for Offer/Answer protocols
• White Paper Comparing different NAT traversal techniques – Newport Networks White Paper
• MMUSIC working group