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SIPREC Recording Metadata (draft-ietf-siprec-metadata-06)

SIPREC Recording Metadata (draft-ietf-siprec-metadata-06). March 30 th 2012 IETF 83 meeting. Authors: Ram Mohan R, R Parthasarathi, Paul Kyzivat. Agenda. Changes in draft-ietf-siprec-metadata-05 from last version. Discuss Open & closed items in Metadata model Next Steps.

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SIPREC Recording Metadata (draft-ietf-siprec-metadata-06)

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  1. SIPRECRecording Metadata (draft-ietf-siprec-metadata-06) March 30th 2012 IETF 83 meeting Authors: Ram Mohan R, R Parthasarathi, Paul Kyzivat

  2. Agenda • Changes in draft-ietf-siprec-metadata-05 from last version. • Discuss Open & closed items in Metadata model • Next Steps

  3. Changes from Previous version • The new version of draft has following changes: • The association between participant and CS is changed as 0..* from 2..* • Associate-time and disassociate-time attributes in CS are moved to ParticipantCSAssociation • CSRSassociation metadata element creation to indicate the attributes related to CS and RS. • participantsessionassoc XML element is added to represent participant and session associated XML elements. • Removed "csrc" element in Metadata XML schema • ParticipantStreamAssoc XML element is introduced for association between participant and stream XML element.

  4. Metadata Model in ver 05 Recording Session(RS) 1..* 0..* Communication Session(CS) Group 1..* 0..* 0..1 1..* Communication Session(CS) 1.. * 0..* 1.. * 0..* receives 0.. * 0.. * Participant Media Stream 1.. * 0..* sends ParticipantCS Association ParticipantStream Association

  5. Metadata Model: CSRS association Closed Items: • Adding CSRS association in the model figure. Recording Session(RS) CSRS Association 1..* 0..* Communication Session(CS)

  6. Metadata Model: Media Stream Participant Closed Items: • Remove media mode attribute related text in sec 6.7.3 as per the earlier consensus 0..* 1..* Media Stream • Media Stream Reference • Content-type CS 0.. * 1.. * receives sends 0..* 0..*

  7. Metadata Model Open item: Communication Session Communication Group (CSG) Recording Session (RS) • Current draft has associate/disassociate time • Associate-time – The optional attribute represents the time a CS is associated with a RS • Disassociate-time- This optional attributes represents the time a CS disassociates from a RS. • There was a comment to include start/Stop time also. Is it needed ? 0..1 1..* 1..* 0..* Communication Session (CS) CS Identifier Termination Reason 1.. * 2..* 1.. * 0..* Participant Media Stream

  8. Metadata Model: Media Stream Participant Open Items: (BT usecase) • Media stream shall associate with multiple CS and it shall be mixed stream. But participant who is contributing at the specific time has to be identified by RTP/RTCP mechanism. 0..* 1..* Media Stream • Media Stream Reference • Content-type CS 0.. * 1.. * receives sends 0..* 0..*

  9. Next steps • Update draft based on the current closure • Add more metadata examples • Publish next version (07) and ask for WGLC

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