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2007
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Adding Multi-Homing and Dual-Stack Support to the Session Initiation Protocol

9 years 18 days ago
Adding Multi-Homing and Dual-Stack Support to the Session Initiation Protocol
Abstract— Although the SIP protocol claims a complete dualstack support, some aspects, such as interoperability between different address realms and support for multi-homed hosts, are not taken into consideration. This leads to an extensive usage of proxies as gateways, e.g., between different address realms. ALEX (“Address List Extension”) is a simple extension to the SIP header that addresses these limitations, providing additional scalability for SIP proxies and allowing the establishment of direct channels between peers, while still guaranteeing backward compatibility with traditional SIP implementations. Keywords-component; SIP, IPv6, transition, ALEX, ICE
Mario Baldi, Fulvio Risso, Livio Torrero
Added 02 Jun 2010
Updated 02 Jun 2010
Type Conference
Year 2007
Where GLOBECOM
Authors Mario Baldi, Fulvio Risso, Livio Torrero
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