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SIPRECRecording Metadata Model for SRS

(draft-ram-siprec-metadata-04)

IETF80 SIPREC MEETING Parthasarathi R

On behalf of the team

Team: Paul Kyzivat, Ram Mohan R, R Parthasarathi

Agenda

• Changes in draft-ram-siprec-metadata from the previous version

• Discuss Open items in Metadata Model• Discuss closed items in Metadata Model• Next Steps

Changes from Previous version

• Updated draft with the Metadata model-02 (which was presented in interim meeting after IETF-79)

sendsreceives0.. *

1

1

11

0..*

Metadata Model

4

Recording Session(RS)

Communication Session(CS) Group

Media Stream

ExtensionData

Communication Session(CS) 1

Participant

0.. *2..*

11..*

1

1..*0..*

0..*

1.. *

0..*

Metadata Model: Recording Session

5

Communication Session Group (CS Group)

Recording Session (RS)

•Recording Requestor ID•Recording Type (Selective/Persistent)

Extension Data

1 0..*

1..*0..*

Open item: Optional Stop/Start time

attribute has to be added?

Metadata Model: Communication Session Group

6

Communication Session

Communication Session Group (CS Group)

CS Group unique ID

Extension Data

1 0..*

Open Issue:– Optional Start/stop time

attribute has to be added

Recording Session (RS)1..*0..*

11..*

0..*2..*

Metadata Model: Communication Session

7

Participant

Communication Session (CS)

-CS Unique ID-Call terminate Reason Extension

Data1 0..*

Open Items: Optional Stop/Start time

attribute has to be added?

Whether Session state attribute has to be included to indicate: trying, proceed, early, confirmed, terminated

Communication Session Group (CS Group)

11..*

Metadata Model: Participant

8

Participant

•AoR•Name Extension

Data1 0..*

Communication Session0..*2..*

Media Stream

sendsreceives0.. *

0..*

1.. *

0..*

Open Items: Optional Stop/Start time

attribute has to be added?

Metadata Model: Media Stream

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Media Stream

•Start Time•End Time•Codec (& codec params)•Media Stream Reference

Extension Data

1 0..*

Open item:• Change 4.5.1 3rd bullet as

“"Codec params - represents codec

description of RS SDP" Closed item:• In case Media is

“inactive” from the beginning of the session, start-time is not required to be passed across. The text will be added to clarify

Participant

sendsreceives0.. *

0..*

1.. *

0..*

Metadata Model: Media Stream

Open items:– Is it required to model media streams that are not recorded[ e.g SRC offered

certain media types but SRS choose to accept only subset of them]

Next steps

• Request for review of draft-ietf-siprec-metadata-00 in the mailer

• WGLC of metadata model draft?• Align metadata format draft with metadata

model draft