draft-ietf-tsvwg-rtcweb-qos-01.txt   draft-ietf-tsvwg-rtcweb-qos-02.txt 
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Internet-Draft C. Jennings Internet-Draft C. Jennings
Intended status: Standards Track Cisco Intended status: Standards Track Cisco
Expires: December 25, 2014 D. Druta, Ed. Expires: December 25, 2014 D. Druta, Ed.
ATT ATT
P. Jones P. Jones
J. Polk J. Polk
Cisco Cisco
June 23, 2014 June 23, 2014
DSCP and other packet markings for RTCWeb QoS DSCP and other packet markings for RTCWeb QoS
draft-ietf-tsvwg-rtcweb-qos-01 draft-ietf-tsvwg-rtcweb-qos-02
Abstract Abstract
Many networks, such as service provider and enterprise networks, can Many networks, such as service provider and enterprise networks, can
provide per packet treatments based on Differentiated Services Code provide per packet treatments based on Differentiated Services Code
Points (DSCP) on a per-hop basis. This document provides the Points (DSCP) on a per-hop basis. This document provides the
recommended DSCP values for browsers to use for various classes of recommended DSCP values for browsers to use for various classes of
traffic. traffic.
Status of This Memo Status of This Memo
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3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4. Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5. DSCP Mappings . . . . . . . . . . . . . . . . . . . . . . . . 4 5. DSCP Mappings . . . . . . . . . . . . . . . . . . . . . . . . 4
6. Security Considerations . . . . . . . . . . . . . . . . . . . 5 6. Security Considerations . . . . . . . . . . . . . . . . . . . 5
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 6 7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 6
8. Downward References . . . . . . . . . . . . . . . . . . . . . 6 8. Downward References . . . . . . . . . . . . . . . . . . . . . 6
9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 6 9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 6
10. Document History . . . . . . . . . . . . . . . . . . . . . . 6 10. Document History . . . . . . . . . . . . . . . . . . . . . . 6
11. References . . . . . . . . . . . . . . . . . . . . . . . . . 6 11. References . . . . . . . . . . . . . . . . . . . . . . . . . 6
11.1. Normative References . . . . . . . . . . . . . . . . . . 6 11.1. Normative References . . . . . . . . . . . . . . . . . . 6
11.2. Informative References . . . . . . . . . . . . . . . . . 6 11.2. Informative References . . . . . . . . . . . . . . . . . 7
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 7 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 7
1. Introduction 1. Introduction
Differentiated Services Code Points (DSCP)[RFC2474] style packet Differentiated Services Code Points (DSCP)[RFC2474] style packet
marking can help provide QoS in some environments. There are many marking can help provide QoS in some environments. There are many
use cases where such marking does not help, but it seldom makes use cases where such marking does not help, but it seldom makes
things worse if packets are marked appropriately. In other words, if things worse if packets are marked appropriately. In other words, if
too many packets, say all audio or all audio and video, are marked too many packets, say all audio or all audio and video, are marked
for a given network condition then it can prevent desirable results. for a given network condition then it can prevent desirable results.
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This specification does not require any actions from IANA. This specification does not require any actions from IANA.
8. Downward References 8. Downward References
This specification contains a downwards reference to [RFC4594] This specification contains a downwards reference to [RFC4594]
however the parts of that RFC used by this specification are however the parts of that RFC used by this specification are
sufficiently stable for this downward reference. sufficiently stable for this downward reference.
9. Acknowledgements 9. Acknowledgements
Cullen Jennings was one of the authors of this text in the original Thanks To David Black, Magnus Westerland, Paolo Severini, Jim
individual submission but was unceremoniously kicked off by the Hasselbrook, Joe Marcus, and Erik Nordmark for their help.
chairs when it became a WG version. Thanks To David Black, Magnus
Westerland, Paolo Severini, Jim Hasselbrook, Joe Marcus, and Erik
Nordmark for their help.
10. Document History 10. Document History
Note to RFC Editor: Please remove this section. Note to RFC Editor: Please remove this section.
This document was originally an individual submission in RTCWeb WG. This document was originally an individual submission in RTCWeb WG.
The RTCWeb working group selected it to be become a WG document. The RTCWeb working group selected it to be become a WG document.
Later the transport ADs requested that this be moved to the TSVWG WG Later the transport ADs requested that this be moved to the TSVWG WG
as that seemed to be a better match. This document is now being as that seemed to be a better match. This document is now being
submitted as individual submission to the TSVWG with the hope that WG submitted as individual submission to the TSVWG with the hope that WG
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