conectivity connectivity dev establishment from:davepeck holepunching ice interactive interactive_connection_establishment nat network networking p2p programming protocol security stun sysadmin technique traversal turn voip zeroconf

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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.

Contents 1 External links 2 IETF Specifications 3 IETF Working Groups 4 Open Source Implementations 5 See also

[edit] External links

• IETF Journal article on ICE - read first
• ICE Tutorial

[edit] IETF Specifications

• Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols draft-ietf-mmusic-ice
• Session Traversal Utilities for NAT (STUN): RFC5389
• Traversal Using Relays around NAT (TURN): Relay Extensions to STUN draft-ietf-behave-turn

[edit] IETF Working Groups

• MMUSIC working group
• BEHAVE working group

[edit] Open Source Implementations

• PJNATH - Open Source ICE, STUN, and TURN Library
• libnice: GLib ICE library

[edit] See 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)