NAT/Firewall traversal for SIP: issues and solutions

NAT/Firewall traversal for SIP: issues and solutions

Traversal of the session initiation protocol (SIP) and the sessions it establishes through network address translators (NATs) is a challenge for IP communications. The status of near-ubiquitous deployment of NAT across the Internet and the great diversity of their behavior raise a serious obstacle i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Aurel Constantinescu, M., Croitoru, V., Oana Cernaianu, D.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Filtering
Internet
Manufacturing
Network address translation
Peer to peer computing
Protection
Streaming media
Telecommunication traffic
Telephony
Transport protocols
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Beschreibung
Zusammenfassung:Traversal of the session initiation protocol (SIP) and the sessions it establishes through network address translators (NATs) is a challenge for IP communications. The status of near-ubiquitous deployment of NAT across the Internet and the great diversity of their behavior raise a serious obstacle in the SIP's deployment. This paper analyzes different SIP deployment scenarios and traversal mechanisms for media traffic and recommends several methods for NAT traversal.
DOI:10.1109/ISSCS.2005.1511292