Drafts on "Admission Control over DiffServ using Pre-Congestion Notification"
2005-11-01 10:36:18 GMT
We've submitted a couple of drafts, which we'd very much appreciate your comments and feedback on, and which we will - tsvwg agenda permitting - discuss in Vancouver. They’re about “Admission Control over DiffServ using Pre-Congestion Notification”:
- a framework (architecture & use case)
- RSVP extensions necessary for the framework.
Here are their abstracts & links to themA Framework for Admission Control over DiffServ using Pre-Congestion Notificationhttp://www.ietf.org/internet-drafts/draft-briscoe-tsvwg-cl-architecture-01.txt
This document describes a framework to achieve an end-to-end Controlled Load (CL) service without the scalability problems of previous approaches. Flow admission control and if necessary flow pre-emption preserve the CL service to admitted flows. But interior routers within a large DiffServ-based region of the Internet do not require flow state or signalling. They only have to give early warning of their own congestion by bulk packet marking using a new pre-congestion notification behaviour. Gateways around the edges of the region convert measurements of this packet granularity marking into admission control and pre-emption functions at flow granularity.
RSVP Extensions for Admission Control over Diffserv using Pre-congestion Notification
This document specifies the extensions to RSVP for support of the Controlled Load (CL) service over a Diffserv cloud using Pre-Congestion Notification as defined in [CL-ARCH].
Francois Le Faucheur
BT Group plc
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