Title :
NAT/Firewall traversal for SIP: issues and solutions
Author :
Constantinescu, Mihai Aurel ; Croitoru, Victor ; Cernaianu, Doina Oana
Author_Institution :
Fac. of Electron., Telecommun. & IT, "Politehnica" Univ. of Bucharest, Romania
Abstract :
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.
Keywords :
Internet; protocols; IP communications; Internet; NAT/firewall traversal; media traffic; network address translators; session initiation protocol; Filtering; Internet; Manufacturing; Network address translation; Peer to peer computing; Protection; Streaming media; Telecommunication traffic; Telephony; Transport protocols;
Conference_Titel :
Signals, Circuits and Systems, 2005. ISSCS 2005. International Symposium on
Print_ISBN :
0-7803-9029-6
DOI :
10.1109/ISSCS.2005.1511292
