draft-polk-tsvwg-rsvp-app-id-vv-profiles-02 ietf80 (prague) james polk subha dhesikan
TRANSCRIPT
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draft-polk-tsvwg-rsvp-app-id-vv-profiles-02
IETF80 (Prague)
James PolkSubha Dhesikan
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Scope of ID
• Purpose – differentiate what traffic type is in each reservation
• Create registered profiles using RFC 2872 RSVP Application-ID Object for each real-time traffic class defined within RFC 4594
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RSVP APP-ID Object TemplateThe template from RFC 2872 is as follows:
0 1 2 3 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | PE Length (8) | P-type = AUTH_APP | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Attribute Length | A-type = | Sub-type = | | | POLICY_LOCATOR| ASCII_DN | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Application policy locator attribute data in X.500 DN format | | (see below) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Creates a profile that includes the following pieces of information: “P-type = , A-type = , Sub-type = , GUID=, APP= , VER= “
Version-02 created a new P-Type unique to this called“APP-TC” for application traffic class
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Profiles Proposed
The Broadcast video Profile APP-TC, POLICY_LOCATOR, ASCII_DN, "GUID=http://www.ietf.org/rfc/rfc4594.txt", APP=broadcast-video, VER="
The Real-time Interactive Profile APP-TC, POLICY_LOCATOR, ASCII_DN, "GUID=http://www.ietf.org/rfc/rfc4594.txt, APP=realtime-interactive, VER="
The Multimedia Conferencing Profile APP-TC, POLICY_LOCATOR, ASCII_DN, "GUID=http://www.ietf.org/rfc/rfc4594.txt, APP=multimedia-conferencing, VER="
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Profiles Proposed
The Multimedia Streaming Profile APP-TC, POLICY_LOCATOR, ASCII_DN, "GUID=http://www.ietf.org/rfc/rfc4594.txt, APP=multimedia-streaming, VER="
The Telephony Profile (was “VOIP”) APP-TC, POLICY_LOCATOR, ASCII_DN, "GUID=http://www.ietf.org/rfc/rfc4594.txt, APP=Telephony, VER="
The CAC-Admitted Voice Profile APP-TC, POLICY_LOCATOR, ASCII_DN, "GUID=http://www.ietf.org/rfc/rfc5865.txt, APP=cac-admitted-voice, VER="
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Fixed Open issues in this Version
• The “VER=“ field will not be dropped
• Made the change to a “GUID=“ value– i.e., "http://www.ietf.org/rfc/rfc4594.txt" instead
of "RFC4594“
• Created a new P-type– APP-TC = Application Traffic Class)
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New Open issues
• MMUSIC WG wants to rename traffic class labels– They don’t like the 1-to-1 mapping to DSCPs– They want clear definitions of what traffic goes into
each traffic class– This relates to the layer 7 traffic classification between
SIP servers (i.e., a new attribute line per media codec)
– draft-polk-mmusic-traffic-class-for-sdp-01 creates a label hierarchy like:
Multimedia-conferencing.telepresence.immersive._foo._bar.admitted
delimiter
Proprietary delimiter
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Next
• Is this interesting enough to consider standardizing?