The successful and increasingly adopted session initiation protocol (SIP) does not adequately support hosts with multiple network addresses, such as dual-stack (IPv4-IPv6) or IPv6 multi-homed devices. This paper presents the Address List Extension (ALEX) to SIP that adds effective support to systems with multiple addresses, such as dual-stack hosts or multi-homed IPv6 hosts. ALEX enables IPv6 transport to be used for SIP messages, as well as for communication sessions between SIP user agents (UAs), whenever possible and without compromising compatibility with ALEX-unaware UAs and SIP servers.
ALEX: Improving SIP Support in Systems with Multiple Network Addresses / Baldi, Mario; Marinone, F; Risso, FULVIO GIOVANNI OTTAVIO; Torrero, Livio. - STAMPA. - (2005), pp. 164-169. (Intervento presentato al convegno 5th IEEE International Symposium on Signal Processing and Information Technology (ISSPIT 2005) tenutosi a Athens (Greece) nel December 21, 2005) [10.1109/ISSPIT.2005.1577089].
ALEX: Improving SIP Support in Systems with Multiple Network Addresses
BALDI, MARIO;RISSO, FULVIO GIOVANNI OTTAVIO;TORRERO, LIVIO
2005
Abstract
The successful and increasingly adopted session initiation protocol (SIP) does not adequately support hosts with multiple network addresses, such as dual-stack (IPv4-IPv6) or IPv6 multi-homed devices. This paper presents the Address List Extension (ALEX) to SIP that adds effective support to systems with multiple addresses, such as dual-stack hosts or multi-homed IPv6 hosts. ALEX enables IPv6 transport to be used for SIP messages, as well as for communication sessions between SIP user agents (UAs), whenever possible and without compromising compatibility with ALEX-unaware UAs and SIP servers.File | Dimensione | Formato | |
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https://hdl.handle.net/11583/1494647
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