1. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2's Voice and Integrated Communications Initiatives SI-501 Mini-Talk Ann Arbor, MI February 9 th, 2005 Ben Teitelbaum ben@internet2.edu http://people.internet2.edu/~ben/

2. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Voice Not just a crusty relic Voice is the dominant real-time communications medium among homo sapiens – Text is the dominant non-real time meduim – A big chunk of the human brain is dedicated to processing visual input, but that's for other stuff (e.g. avoiding cliffs/trees, identifying faces, stalking prey) Per-capita use/expenditure continues to rise A killer app" for the last ~100 years and for foreseeable future

3. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 VoIP Not just a cost-saving hack Open industry standards and the Internet are revolutionizing telecom – New industry structures – New architectures, services, and applications – No longer a binary choice between PBX and Centrex Trends – Decentralized control – À la carte system components and services – Greater empowerment of campuses and enterprises – Greater empowerment of end users

4. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Many, many ways to do better... – Fidelity – Privacy – Addressing – Mobility Post-POTS Voice – Survivability – Integration with IM, video, etc. – Presence – I911 * Drawings by Louis Teitelbaum (age 6)

5. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Dude, Where're My Customers? Voice was once revenue-generating; no longer Users have adopted consumer services to meet personal / profession needs – Cellular – Consumer IM&P (e.g. AIM, YIM, MSN) – Consumer VoIP (e.g. Skype, FWD) How can universities develop services to: – Recapture these customers? – Enhance the campus life experience? – Facilitate collaborative research? – Improve productivity?

6. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 ITSP... Internet2 Infrastructure (campus, gigaPoP, RON, Abilene) PBX / TDM Voice Switch Internet Telephony Service Provider (ITSP) Campus SIP Proxy + Phones IP – TDM Voice Gateway *.edu Key (for upcoming pretty pictures) 1/2

7. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 TDM Voice Traffic Packet Voice Traffic PRI / CAS Voice Trunks Key (for upcoming pretty pictures) 2/2 Signaling

8. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP Today b.edua.edu... LEC/IXC PSTN

9. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP Today b.edua.edu... ITSP LEC/IXC PSTN

10. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP Today b.edua.edu... ITSP LEC/IXC PSTN

11. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP 2020* b.edu... a.edu... * Don't hold me to this!

12. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP 2020 Feature Server LDA P Directory Services Presence Server Feature Server LDA P Directory Services Presence Server b.edu... a.edu...

13. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP 2020 Feature Server LDA P Directory Services Presence Server Feature Server LDA P Directory Services Presence Server ASP Feature Server b.edu... a.edu...

14. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP 2020 Feature Server LDA P Directory Services Presence Server Feature Server LDA P Directory Services Presence Server ASP Feature Server ITSP b.edu... a.edu... PSTN

15. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP 2020 Feature Server LDA P Directory Services Presence Server Feature Server LDA P Directory Services Presence Server ASP Feature Server ITSP b.edu... a.edu... PSTN

16. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Internet2 Campus VoIP 2020 Feature Server LDA P Directory Services Presence Server Feature Server LDA P Directory Services Presence Server ASP Feature Server ITSP c.com... Internet b.edu... a.edu... PSTN

17. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 How to Get There From Here? Difficult environment to innovate – Tight budgets – Carrism (i.e. IT is not strategic) – Fear, uncertainty, and doubt over industry directions, regulatory environment, etc. In the long-run, there will be little role for centralize service providers Need to develop new campus communications service models and core connective middleware infrastructure

18. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Connective Middleware high-performance, end-to-end IP transit BobAlice User Campus UserInternet2/GigaPoP/ASP Campus Host Network-Layer Connectivity Applications APIs Codecs APIs Codecs Signaling Connective Middleware Call Filtering Auth N/Z Call Filtering Auth N/Z Identity Presence Call Routing Identity Presence Call Routing Damping Middleware Rich Presence Services Calendaring Location... Calendaring Location Directories Signaling Campus-to-Campus Trust / Policy / Encryption P2P media and Trust / Policy / Encryption...or... Auxiliary Services Gatewaying Bridging Messaging... Gatewaying Bridging Messaging... Gatewaying Bridging Messaging...

19. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 SIP.edu Working Group Web Site – http://voip.internet2.edu/SIP.edu/ http://voip.internet2.edu/SIP.edu/ Chair – Dennis Baron, MIT {email, sip}: dbaron@mit.edudbaron@mit.edu

20. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 SIP Proxy DNS SIP-PBX Gateway PBX INVITE (sip:bob@bigu.edu)bob@bigu INVITE (sip:12345@gw.bigu.edu) DNS SRV query sip.udp.bigu.edu telephoneNumber where mail=bob PRI / CAS bigu.edu Campus Directory Bob's Phone sip.udp.bigu.edu IN SRV... SIP.edu Architecture (today) IP Voice TDM Voice SIP User Agent

21. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 DNS INVITE (sip:bob@bigu.edu) DNS SRV query sip.udp.bigu.edu bigu.edu SIP User Agent location DB If Bob has registered, ring his SIP UAs; Else, call his extension through the PBX. REGISTER (Contact: 207.75.164.131) INVITE (sip:bob@207.75.164.131) SIP Proxy Bob's SIP Phones SIP.edu Architecture (real soon) SIP Registrar IP Voice, Video, IM,...

22. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 SIP.edu Growth

23. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Presence and Integrated Communications Working Group Web Site – http://pic.internet2.edu/ http://pic.internet2.edu/ Chair – Jeremy George, Yale {email, sip}: jeremy.george@yale.edujeremy.george@yale.edu

24. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Presence – Notification of events that facilitate communication (Henning Schulzrinne) On-line, Away, Idle, On phone, Out to lunch,... – Back to the future? Remember: finger, write, who? Presence restores the sense of community that existed on timesharing systems – Forward to the future! New standards for interoperability and scalability User-centric control of presence publication Richer state semantics and automatic triggers

25. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Rich Presence Trials Using Internet2 meetings to prototype advanced campus services – Advanced WiFi infrastructure (location service) – Advanced middleware infrastructure (SIP/SIMPLE presence agent / location server) – Advanced real time communications services Highly-participatory – Enthusiastic attendees – Distributed trial-dev team Columbia IRT Lab, HP Labs Cambridge, University of Pennsylvania, Ford Motor Company, Microsoft,...

26. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Rich Presence Enabled Clients WaveThree and Columbia clients (Session, SIPC) Others welcome! (client requirements doc on web)

27. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 NG911 Project Internet 911 – 911 has been a thorn in the side of VoIP – Technically, not a hard problem NG911 – NTIA-funded project to IP-enable PSAPs Not only solve VoIP 911, but do better! – Higher resilience – Faster call setup – Testability Based on IETF GEOPRIV work Multimedia support Open standards and COTS Cheaper

28. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Emerging IETF/NENA I3 Architecture GPS 40.86N 73.98E CN=us A1=NJ A2=Bergen INVITE sips:sos@ DHCP outbound proxy server provided by local ISP? 40.86N 73.98E: Leonia, NJ fire dept. leonia.nj.us.sos.arpa POLY 40.85 73.97 40.86 73.99 NAPTR … firedept@leoniaboro.org * This slide complements of Henning Schulzrinne, Xiaotao Wu, & the CINEMA crew (Columbia University) Location-based call routing: UA knows its location

29. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 Conclusion Voice must be seen as stragetic VoIP will be much more than POTS replacement Several Internet2 initiatives are helping campuses develop the infrastructure and technology for next-generation campus communications services

30. SI-501 Mini-Talk, Ann Arbor, MI February 9 th, 2005 FIN