Peer-to-peer SIP Ad-hoc meeting Henning Schulzrinne August 2005 IETF63 - P2PSIP

Agenda On-going efforts Taxonomy Where next? David Bryan/Cullen Jennings (SIP DHT) NIMCAT (multicast bindings; separate layers) Panasonic (Eunsoo Shim) – consumer devices multimedia (video) France Telecom (distributed IMS; DHT layer with SIP on top) Vodafone Taxonomy Where next? IRTF? experimental draft on bite-sized components? August 2005 IETF63 - P2PSIP

Applications Service discovery ring tones? Rendezvous/signaling Configuration storage (incl. watcher lists, address book) discover their configuration Media storage (voice mail) Identity assertion (?) Anonymization (media + signaling) PSTN gateway (?) FWD original idea NAT/media relay (find best one) traversal overlay network Farms of proxies operator-run supernodes – autonomic – self-organizing Service discovery ring tones? August 2005 IETF63 - P2PSIP

Problems Scale further than local network Reliability diagnose system Federation – multiple P2P Trust model – whom to trust? who can see my data? Identity – unique? identity theft do we need to solve this? Interconnect – P2P + classical Data storage (voicemail) random phone? trusted buddies? August 2005 IETF63 - P2PSIP

What’s next? More documentation capture (Henry volunteered) Formal WG focused BOF next IETF? Mailing list IRTF like HIP ( experimental): both “no end to research” P2P IRTF WG – very slow (subgroup?) workshop pre-Vancouver? August 2005 IETF63 - P2PSIP