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

2. 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

3. 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

4. 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 (voic )
random phone? trusted buddies?
August 2005
IETF63 - P2PSIP

5. 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