1. Enabling Networked Multimedia Group Communication TCT meeting - June 20-21st, Thessaloniki, Greece COST 264 Serge FDIDA http://www.lip6.fr/COST264

2. Motivation o Advances in Internet research and technology... 4High-Bandwidth, QoS, Local Loop (xDSL, Radio, …) 4New Content (video, voice, …) o … will enable sophisticated multimedia multipoint applications 4Web-based video distribution, Internet TV, 4Tele-collaboration, File distribution, P2P, DIS, etc... o And Overlay networks 4CDN : Content Distribution Networks 4P2P : Peer-to-Peer

3. COST264 Rationale o Emerging and increasing demand towards group communication on the Internet 4CSCW, Peer-to-Peer (Kazaa, Gnutella), Tele- activities, Internet TV, DIS, Distributed Games, etc… o Lack of protocols to support this need 4Communication was considered as unicast o Need for 4Architecture, protocols, distributed algorithms 4Infrastructure, testbeds

4. COST264 ID o Starting date : 16 September 1998 o End date : 15 September 2002 o 16 signatories o Area: Multimedia and Internet Communication o Chairman: Serge Fdida, France o Vice-Chairman: Wolfgang Effelsberg, Germany o Commission advisor: Remy Bayou o TCT evaluator: Ivar Jardar Aasen o Web site: http://www.lip6.fr/COST264http://www.lip6.fr/COST264 o Several mailing list: cost264@lip6.fr, official, WGscost264@lip6.fr o Secretariat: Pat Daly, Norcontel

5. COST264 Objectives o Leverage the European visibility in Internet Research 4US is leading research and technology in this area 4Build a community of interest o Evaluation metrics 4Scientific production 4Joint scientific publications 4Workshop (NGC) 4IRTF and IETF standards 4Liaison with IST projects and other COST actions 4Joint experimentations

6. COST264 Working groups o Research on protocols 4Research from COST264 organizations 4Luigi Rizzo, Pisa, I o Euroseminars 4Dissemination of seminars on the “Costbone” 4Wolfgang Effelsberg, Mannheim, D o Infrastructure (ended 1/01) 4Issues related to the “Costbone” 4André Danthine, Liege, B o Liaison IRTF, IETF, IST… 4Links with other partners involved in this area 4Christophe Diot, Serge Fdida, LIP6, F

7. Evaluation – Joint activities o Establishment of a research community o Joint work 4Meetings : at least two per year 4Euroseminars : average of 4 per year 4Publications : Many joint papers in HQ C/J 4Workshop organization : NGC 4Standardization influence : + IETF RFCs 4Exchange of researchers : 10 STSMs

8. Cooperation : Publications o Members publications or editors in the best conferences and journals o Joint papers : 4Infocom, NGC, IEEE com Letters, Proms o Journal special issue 4IEEE JSAC on Multicast

9. Dissemination : NGC Workshop o COST264 has established the first International event on Net Group Com 4 NGC’99 : Pisa (Italy). Nov.99, L. Rizzo. 4 NGC’00 : Stanford (USA). Nov.00, C. Diot. 4 NGC’01 : London (UK). Nov.01, J. Crowcroft. 4 NGC’02 : Boston, Nov.02, B. Levine 4 The 2003 edition is being scheduled. o Highly succesfful 4 Published by Springer (LNCS) 4 Co-sponsored by ACM 4 Sponsored by industrials (Cisco, Microsoft, Sprint, )

10. Dissemination : Euroseminars o The COST264 electronic seminar series 4Stengthen cooperation among COST264 members 4Fast dissemination of new research results 4Set- up an overlay multicast backbone 4Provide the support for the Euroseminars o How to on the COST web site o Tools like dlb, mlb, Marratech Pro, vic/vat, reflectors 4Technical experience

11. Cooperation : STSM o Establish or continue joint work between COST264 members o Short Term Scientific Missions 4 Manheim (D) and Inria (F), 99 4 Lancaster (UK) and Liège (B), 99 4 Paris (F) and Lancaster (UK), 01 4 Manheim (D) and UCL (UK), 00 4 UCL (UK) and Pisa (I), 01 4 Paris (F) and Pisa (I), 02 4 IT (Pol) and Manheim (D), 02

12. Dissemination: Standardization o Strong impact on standards : IETF o +10 IETF drafts …. Some RFCs o Important participation in some IETF groups (RMT, AVT, PIM-SSM, IDMR, ) o Contribution to the success of the multicast PIM-SSM standard o Others: 4Strong links to IRTF 4Help in hosting the IETF London meeting

13. Cooperation : COST and IST o Permanent Liaison with COST263 o Liaisons with IST projects 4Joint COST264 / GCAP IST meeting 4IST LONG, IST CADENUS, 6INIT, … 4IST TAPAS (from COST263 and 264) o Participation to many IST projects

14. Self-Evaluation o High level of scientific contributions o International recognition o Cooperations between members (joint) 4Publications, IETF drafts 4Conferences and workshop 4Euroseminars, STSM 4Cooperation with IST and other COST Actions o Difficulties with the « Costbone » and therefore Euroseminars 4IP multicast almost unusable across EU countries o End date : 15 september 2002

15. The future o No follow-on for COST264 although NGC workshop will continue o We have build a joint 263+264 proposal accepted as an IST Thematic Network (8 th IST call) : ENET o We have sent an EofI for the 6 th Framework : ENEXT o We are planning a proposal for a Network of Excellence build on ENET