1. June 2005TNC 20051 of 35 Content Delivery Development Activities Roger Bolam

2. June 2005TNC 20052 of 35 Content Delivery Activities Content Delivery Videoconferencing –JVCS onDemand –JVCS Check –Access Grid Voice over IP

3. June 2005TNC 20053 of 35 Content Delivery CDN Architecture Group (streaming) Involved in a number of initiatives including –Audio streaming and download –Shaping and strategy for future UK content delivery Monitoring Digital TV developments –Possible networked delivery of Teachers TV

4. June 2005TNC 20054 of 35 JVCS-onDemand Instant videoconferencing scheduling for up to 48sites, using bespoke booking system Voice switched or continuous presence with data and application sharing Videoconference sessions can be managed by users

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11. June 2005TNC 200511 of 35 JVCS-check Automated audio and video analysis tool Instantly useable through JVCS onDemand Improves scalability of JVCS resources Promotes good practice for videoconferencing use within JANET community

12. June 2005TNC 200512 of 35 Technology Video Distribution Amplifier AMX Controller Audio OutVideo OutVideo In Audio InVideo InSerial Port Tandberg 6000 NetworkMonitor Audio Amplifier Hamlet PLM-1 Overlay Unit Audio InVideo In Video Out Audio Amplifier Audio Out DVD Player Video Out

13. June 2005TNC 200513 of 35 Access Grid Support Centre Fully operational service to UK e-Science Videoconferencing community 50+ nodes deployed and registered to use service Developments in H.323/AG/VRVS conversion facilities and quality assurance testing Other developments include improved VIC and RAT and presentation collaboration.

14. June 2005TNC 200514 of 35 Videoconferencing Futures Videoconference recording and content ingestion SIP videoconferencing AGSC QA testing Fully automated JVCS-IP (using onDemand technology)

15. June 2005TNC 200515 of 35 Voice Created Voice Advisory Group Testing of local and end to end voice on JANET JANET community voice survey Consider voice models for JANET community Monitor regulations

16. June 2005TNC 200516 of 35 Traditional Voice Model PBX Z PBX Y PSTN

17. June 2005TNC 200517 of 35 VoIP Model VoIP PBX IP Network

18. June 2005TNC 200518 of 35 Integrated Model PSTN VoIP PSTN VoIP PSTN IP Network PBX

19. June 2005TNC 200519 of 35 How is VoIP being used Replacing local telephony switching equipment (PBX) with VoIP solutions Utilising PC’s with VoIP software clients Using IP networks to “backhaul” voice traffic VoIP uses packet switched networks (shared and best efforts), traditional telephony uses circuit switched networks (dedicated and predictable)

20. June 2005TNC 200520 of 35 VoIP Today Skype 23 million users (15 thousand new users per day) VoIP equipment in wide spread in JANET community – inter organisational basis Traditional equipment suppliers -Mitel, Avaya, Erricson coming in to marketplace Traditional telcos routing voice traffic over IP networks

21. June 2005TNC 200521 of 35 VoIP on JANET JANET is a best efforts IP network that can support VoIP UKERNA is not a telecommunications provider Voice traffic is routed over JANET everyday Development work continues to ensure people can communicate over JANET in an effective manner

22. June 2005TNC 200522 of 35 VoIP and Reguations Five EU directives covering; Framework; interconnection and access; data protection; universal service; authorisation Ofcom regulations only applicable to certain “types” of VoIP service Technology is maturing – regulations are evolving VoIP handset is not necessarily a telephone

23. June 2005TNC 200523 of 35 Publicly Available Telephone Services PATS heavily regulated, ECS are not PATS are regulated as a telecommunications provider – 999, operator services and availability criteria Number of key criteria define PATS; –a service available to the public –for originating and receiving national and international phone calls –that provides access to the emergency services; and –through a number or numbers in a national or international telephone numbering plan

24. June 2005TNC 200524 of 35 Why VoIP? Potential cost saving in the longer term Convergence of data and voice infrastructures Feature Rich (locally) Voice manufacturers and providers may force the issue (evolve or die) Mobility

25. June 2005TNC 200525 of 35 VoIP Services? Three possible models for VoIP services on JANET SIP supported services on JANET, and provide directory services Deploy and manage central VoIP switch with tailored clients Provide advice and central support for trunking / interconnecting PBX

26. June 2005TNC 200526 of 35 VoIP Services? Three possible models for VoIP services on JANET SIP supported services on JANET, and provide directory services Deploy and manage central VoIP switch with tailored clients Provide advice and central support for trunking / interconnecting PBX

27. June 2005TNC 200527 of 35 JANET Central Directory Server PSTN Oxford Reading

28. June 2005TNC 200528 of 35 VoIP Services? Three possible models for VoIP services on JANET SIP supported services on JANET, and provide directory services Provide advice and central support for interconnecting local voice switches Deploy and manage central VoIP switch with tailored clients

29. June 2005TNC 200529 of 35 JANET Oxford Reading

30. June 2005TNC 200530 of 35 JANET Bristol Swansea Reading Oxford

31. June 2005TNC 200531 of 35 VoIP Services? Three possible models for VoIP services on JANET SIP supported services on JANET, and provide directory services Provide advice and central support for trunking / interconnecting PBX Deploy and manage central VoIP switch with tailored clients

32. June 2005TNC 200532 of 35 JANET Central JANET Voice Server Oxford Reading Swansea Bristol

33. June 2005TNC 200533 of 35 JANET Central JANET Voice Server Oxford Reading Swansea Bristol

34. June 2005TNC 200534 of 35 VoIP considerations Choice of local VoIP equipment critical Support for SIP in a standards based environment (including manufacturer inter- working) Addressing and numbering – expandable and standards based (ENUM and e.164) PSTN breakout – remains with the telcos (at the moment) Where does this technology sit within the organisation? (telephony / data)

35. June 2005TNC 200535 of 35 Contact Details Roger Bolam r.bolam@ukerna.ac.uk Arron Bowley a.bowley@ukerna.ac.uk http://www.ja.net/development