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V2 d2013 emil ivov - jitsi
- 2. jitsi.org advanced real-time communication FOR 10 YEARS AND COUNTING
- 4. VOICE VIDEO some supported codecs Opus SILK G.722 G.729 H.264 VP8
- 10. SECURITY PRIVACY
- 13. DNSSEC
- 14. LDAP ON-LINE PROVISIONING FEC OPUS SILK CALL RECORDING DNSSEC IPv6 WIN AEC LIBJITSI JITSI VIDEOBRIDGE
- 15. CUSAX COMBINED USE OF SIP AND XMPP
- 16. draft-ivov-xmpp-cusax CUSAX is now RFC 7081 Emil Ivov – Jitsi Peter Saint-Andre – Cisco Enrico Marocco - Telecom Italia
- 17. how cusax works XMPP SERVER CUSAX CLIENT PROVISIONING SIP SERVER IM PRESENCE ROSTERS AVATARS FEEDING accounts VOICE AND VIDEO ONLY
- 18. XMPP ROSTER vCard-s <vCard xmlns='vcard-temp'> <tel> <cell/>` <work/> <NUMBER>+33.1.77.62.43.39</NUMBER> </tel> </vCard> SIP Call-Info Headers INVITE sip:bob@biloxi.com SIP/2.0 To: Bob <sip:bob@biloxi.com> From: Alice <sip:alice@atlanta.com>;tag=1928301774 … Contact: <sip:alice@pc33.atlanta.com;gr=some-rsrc> Call-Info: <xmpp:alice@example.com> ;purpose=impp
- 19. XMPP ROSTER vCard-s <vCard xmlns='vcard-temp'> <tel> <cell/>` <work/> <NUMBER>sip:alice@atlanta.com</NUMBER> </tel> </vCard> SIP Call-Info Headers INVITE sip:bob@biloxi.com SIP/2.0 To: Bob <sip:bob@biloxi.com> From: Alice <sip:alice@atlanta.com>;tag=1928301774 … Contact: <sip:alice@pc33.atlanta.com;gr=some-rsrc> Call-Info: <xmpp:alice@example.com> ;purpose=impp
- 20. conferences
- 28. Conventional Audio Conferencing Client C stream C mix A+B+D Dedicated Mixer Client A Client B
- 29. Conventional (ad hoc) Audio Conferencing Client C stream C mix A+B+D ad hoc Jitsi mixer D Client A Client B
- 30. Audio Mixing Client A’s speech + Client B’s speech + Client C’s speech = Conf Mix A+B+C img src: audacity
- 31. Video Mixing Client A’s video + Client B’s video + Client C’s video + Client D’s video = Conf Mix A+B+C+D img src: xkcd.org!
- 32. Conventional (ad hoc) Video Conferencing Client C stream C mix A+B+D ad hoc heavyweight video mixer D Client A Client B
- 33. Conventional (ad hoc) Video Conferencing … not such a good idea …. Client C stream C mix A+B+D NO WAY!!! ad hoc heavy weight video mixer D Client A Client B
- 34. Client C stream C stream A stream B stream D Jitsi as ad hoc RTP relay D Client A Client B
- 36. conferences with Jitsi Videobridge
- 38. Jitsi Videobridge A COLIBRI Reference Implementation create channels Jitsi Videobridge XMPP server client A client C Focus B
- 39. Jitsi Videobridge XMPP server XMPP Jingle session-initiate client A client C Focus B
- 40. Jitsi Videobridge stream C stream B stream A Jitsi Videobridge client A client C Focus B
- 41. advantages to video relaying
- 42. SIP
- 43. Jitsi Videobridge and SIP SIP server create channels Jitsi Videobridge SIP client A XMPP server SIP client C Focus B
- 44. Jitsi Videobridge and SIP Jitsi Videobridge SIP server INVITE A XMPP server INVITE C SIP client A SIP client C Focus B
- 45. Jitsi Videobridge and CUSAX stream C stream B stream A Jitsi Videobridge client A client C Focus B
- 46. WebRTC
- 47. Your favorite signalling protocol … and SDP Jitsi Videobridge OLIBRI Web Server and Focus
- 51. TRICKLE ICE A WEBRTC SPECIAL
- 52. Reminder: Vanilla ICE STUN Server Alice disco STUN Server Bob offer and candidates answer and candidates disco … connectivity checks … Vanilla ICE as per RFC 5245
- 53. Reminder: Vanilla ICE vs Trickle ICE STUN Server Alice disco STUN Server Bob Alice disco offer and candidates answer and candidates STUN Server disco O/A with host or no cands … more cands & conn checks … … connectivity checks … Vanilla ICE as per RFC 5245 STUN Server Bob Trickle ICE disco
- 55. and then you can have this in a browser