Verlagslink DOI: 10.1145/1941530.1941548
Titel: A Virtual and Distributed Control Layer with Proximity Awareness for Group Conferencing in P2PSIP
Sprache: Englisch
Autorenschaft: Knauf, Alexander 
Hege, Gabriel 
Schmidt, Thomas C.  
Wählisch, Matthias 
Herausgeber*In: Carle, Georg 
Reiser, Helmut 
Camarillo, Gonzalo 
Gurbani, Vijay K. 
Weitere beteiligte Einrichtungen: Association for Computing Machinery 
ACM Special Interest Group on Data Communication 
Schlagwörter: Overlay virtualization; ID locator split; tightly coupled SIP conferencing; distributed conference control
Erscheinungsdatum: 2010
Verlag: Association for Computing Machinery (ACM)
Teil der Schriftenreihe: Principles, Systems and Applications of IP Telecommunications 
Anfangsseite: 122
Endseite: 133
Konferenz: IPTComm 2010 
Zusammenfassung: 
There is an increasing demand to access voice or video group conferences without the burden of a dedicated infrastructure, but at any place and in an ad hoc fashion. Corresponding solutions require a lightweight, fully distributed cooperation among parties that share and manage the conference in an efficient, self-adaptive way. The technology framework of P2PSIP can be seen as a promising starting point to meet these objectives. In this paper, we make several contributions towards such a distributed, virtualized control layer based on P2PSIP that seamlessly scales and adapts to the user needs. We propose a P2P-signaling protocol scheme for a distributed conference control with SIP, that splits the semantic of Identifier and Locator of a SIP conference URI in a standard-compliant manner. This protocol scheme serves as further basis for a virtualization in RELOAD. We further design and evaluate a self-organizing communication layer that provides load sharing and churn resilience with proximity-awareness. Finally, we address key aspects of security and trust, as well as compatibility for conference unaware clients.
URI: http://hdl.handle.net/20.500.12738/2658
ISBN: 978-1-4503-0631-7
Einrichtung: Department Informatik 
Fakultät Technik und Informatik 
Dokumenttyp: Konferenzveröffentlichung
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