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2005
IEEE

SOSIMPLE: A Serverless, Standards-based, P2P SIP Communication System

9 years 24 days ago
SOSIMPLE: A Serverless, Standards-based, P2P SIP Communication System
Voice over IP (VoIP) and Instant Messaging (IM) systems to date have either followed a client-server model or have required the use of clients that do not follow any VoIP or IM standard. We present SOSIMPLE—a fully decentralized, P2P, standards-based approach to communications. By building on the existing SIP/SIMPLE infrastructure for VoIP and IM, we support reuse of clients, network infrastructure, and open-source protocol stacks designed using current standards. By avoiding traditional centralized architectures, SOSIMPLE addresses corporate privacy concerns, eliminates dependency on constant Internet connectivity, and supports ad hoc groups. SOSIMPLE implements a DHT overlay based on Chord[24] using SIP messages, replicating location information for reliability. The DHT is used only for lookups, with actual communication passing directly between clients. We discuss important issues for security and authentication, as well as adaptations of conventional P2P routing for the social n...
David A. Bryan, Bruce Lowekamp, Cullen Jennings
Added 24 Jun 2010
Updated 24 Jun 2010
Type Conference
Year 2005
Where aaaidea
Authors David A. Bryan, Bruce Lowekamp, Cullen Jennings
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