Real Time Applications and Infrastructure Area Meeting

1. IETF-65 Dallas, TX, March 21, 2006 Real Time Applications and Infrastructure Area Meeting Area Directors: Jon Peterson jon.peterson@neustar.biz Cullen Jennings fluffy@cisco.com Mary Barnes (mary.barnes@nortel.com)

2. Agenda • Agenda bashing (3 min) • Get a scribe • Blue sheets • Welcome, Introduction of chairs, RAI status since IETF-64 (10min) • BoFs of interest and other adhocs (2 min) • Distributed Multimodal Synchronization Protocol (Chris Cross) (15 min) • Divide and Conquer (Dean Willis) (20min) • Discussion: Do we have all the options defined? (15 min) • Proposal for Way Forward (Jon/Cullen) (10 min) • Securing RTP (Dan Wing) (25 min) • Discussion: How should this work be organized at an Area level, since it crosses so many WGs? (20 min)

3. Allison (don’t be embarrassed!) • Allison believed in SIP and the community • Allison mentored us all • Allison steered us through the RFC3261 process • Allison oversaw sipchange (RFC3427) and the mechanisms that now protect SIP • Allison shepherded more SIP-related drafts than… well, anyone could hope to • Without Allison, there would be no RAI • Thanks, Allison!

4. RAI Status since IETF-64 • Area officially formed. • New ADs selected for the area via noncom. • WGs within RAI: • SIGTRAN • SIMPLE • SIP • SIPPING • SPEECHSC • SPEERMINT (chartered after IETF-64) • XCON • AVT • ECRIT • ENUM • GEOPRIV • IEPREP • IPTEL • MEGACO • MMUSIC • Clearly, dependencies and interactions with other areas remains an ongoing activity (e.g., BEHAVE in TSV) • Interim meetings since IETF-64: ECRIT

5. RAI BoFs and other items of interest • p2p-sip: Peer to Peer Support for Session Initiation Protocol BOF • WEDNESDAY, March 22, 2006, 0900-1130 in Chantilly W • Additional p2p-sip adhoc on Friday afternoon (1200-1400, location TBD) • http://www.p2psip.org/ietf65.php • XCON adhoc: Continuation of discussion on protocol • WEDNESDAY, March 22, 2006, 1510-1710 in Sapphire • Provide opinions on list prior to meeting.

6. Distributed Multimodal Synchronization Protocol< Presented by Chris Cross > • draft-engelsma-dmsp-01.txt

7. Divide and Conquer <Presented by Dean Willis> • Summary of proposals and discussion to date on how to manage all the SIP/SIPPING related work: • What options do we have to get work done faster? • What would these look like in practice? • What ones can we do now? • What ones should we be thinking about for later? • Discussion: Do we have all the options defined? • Proposal for Way Forward (Cullen/Jon).

8. Securing RTP < Presented by Dan Wing > • There are many proposal discussing keying for RTP when used with SIP. • These issues cross SIPPING, MMUSIC, AVT, and MSEC. • What are the common underlying requirements driving these proposals? • At the high level, what are the various architectures? • What cross WG architectural level question do we need to answer? • Can we come to consensus on high level approaches we would like to investigate? • RFC 3830 (MIKEY) • RFC 3711 (SRTP) • draft-ietf-msec-mikey-rsa-r-02 • draft-ietf-mmusic-sdescriptions-12 • draft-ietf-mmusic-kmgmt-ext-15 • draft-wing-mmusic-sdes-early-media-00 • draft-mcgrew-srtp-ekt-00 • draft-baugher-mmusic-sdp-dh-00 • draft-zimmerman-avt-zrtp-00 • draft-tschofenig-avt-rtp-dtls-00 • draft-fischl-sipping-media-dtls-0 • draft-fischl-mmusic-sdp-dtls-00 • draft-rescorla-tls-partial-00 • draft-modadugu-dtls-short-00 • draft-fries-msec-mikey-applicability-00 • draft-ietf-msec-mikey-dhhmac-11 • draft-lehtovirta-srtp-rcc-01 • draft-saito-mmusic-ipsec-negotiation-req-02