ACM Workshop on p2pstreaming

ACM Workshop on Advanced Video Streaming Techniques for Peer-to-Peer Networks and Social Networking

Workshop held within ACM Multimedia, 25-29 October 2010, Firenze, Italy

Peer-to-peer (P2P) is a promising technology for video streaming, and offers advantages in terms of robustness, re-configurability and scalability. In this context, social networks and social services are emerging as a potential new driver for content delivery networks. Specifically, social networks potentially provide a new level of understanding and knowledge related to the interaction between people within a virtual space. Many emerging multimedia based services and applications have started to exploit the ‘social graph’ in new ways for establishing a basis for social recommendations, filtering etc.). As yet, one unexplored area of research relates to the exploiting the social graph for informing adaptive behaviour in P2P-based multimedia systems. On the other hand, the P2P video technology is still challenging, due to the need of reducing start-time and churn-induced instability, to the asymmetry of residential broadband connections, and to high packet loss rates due to router congestion and transmission errors on the physical network, node departure from the P2P overlay, strict timing out due to real time visualization. The lack of guarantee about the actual delivery of the data may cause drops in the reproduction quality and service outages. The workshop objective is to solicit novel contributions on all aspects of P2P-based video coding, streaming, and content distribution which is informed by social networks.

Topics of interest include, but are not limited to
– Innovative P2P-based video streaming solutions
– P2P-based social media content distribution networks
– Advanced video coding techniques for real-time P2P applications: layered/scalable video coding, multiple description coding, distributed source coding
– Identification and design of proper metrics for performance evaluation and monitoring including Quality of Service/Experience
– Content and context analysis and modelling for P2P-based social media distribution
– Filtering and recommendation systems
– Error-resilience tools for peer-to-peer multimedia services – Rate control and bandwidth adaptation for both single streams and multiple stream multiplexing
– Cross layer optimization issues
– Protocols for peer-to-peer multimedia services
– P2P streaming prototype implementation for both live and on-demand streaming – Advertisement, payment, and cashing systems
– Applications, standards, and practical deployments

Invited Talk
Audio/visual content and metadata delivered over the open Internet using P2P-Next: some experiences from a broadcaster’s perspective
by George Wright, Head of Prototyping, BBC Research and Development

The best paper award (€300) is sponsored by RADVISION (

Important Dates
– Paper submission: June 10, 2010
– Notification of acceptance: July 10, 2010
– Camera-ready submission: July 20, 2010
– Workshop date: October 29, 2010

Submission Guidelines
Papers should not exceed five pages in length, following the ACM proceedings format. Papers must be original and have not been published or under consideration for
publication elsewhere. Each paper will be reviewed by three members of the program committee, recognised for their competence in the field. Final decision about
inclusion in the workshop proceedings will be taken by the PC members exclusively
on the basis of the obtained reviews and levels of recommendation. Papers must be registered using the ACM Multimedia conference management software (
Accepted papers will be included in the workshop’s proceedings which will be published together with the proceedings of the ACM Multimedia Conference 2010. Additionally, a special issue or an edited volume is planed based on the best papers of the workshop.

Workshop Organisers:
Gabriella Olmo, Politecnico di Torino
Christian Timmerer, Klagenfurt University
Pascal Frossard, EPFL
Keith Mitchell, University of Lancaster

Njål Borch, NORUT, Norway

Program Committee (preliminary)
Jari Ahola, VTT, Finland
Peter Amon, Siemens, Germany
Riccardo Bernardini, Università di Udine, Italy
Njål Borch, NORUT, Norway
Giancarlo Calvagno, Università di Padova, Italy
Luca Celetto, STMicroelectronics, Italy
Pablo Cesar, CWI, The Netherlands
Jaime Delgado, Universitat Politècnica de Catalunya, Spain Marek Domanski, Poznan University of Technology, Poland
Kalman Graffi, TU Darmstadt, Germany
Marco Grangetto, Università di Torino, Italy
Hermann Hellwagner, Klagenfurt University, Austria
Ralf Klamma, RWTH Aachen, Germany
Mathias Lux, Klagenfurt University, Austria
Enrico Magli, Politecnico di Torino, Italy
Pierangelo Migliorati, Università di Brescia, Italy
Daniel Negru, University of Bordeaux, France
Jens-Rainer Ohm, RWTH Aachen, Germany
Jörn Ostermann, Leibniz Universität Hannover, Germany
Giovanni Pau, University of California at Los Angeles, US
Fernando Pereira, IST, Portugal
Roberto Rinaldo, Università di Udine, Italy
Thomas Schierl, HHI, Germany
Iraj Sodagar, Microsoft, US
Marco Tagliasacchi, Politecnico di Milano, Italy
Tammam Tillo, Xi’an Jiaotong-Liverpool University, China
Stefano Tubaro, Politecnico di Milano, Italy
Theodore Zahariadis, Synelixis Solutions Ltd, Greece

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