A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : An architecture for edge-to-edge controlled
load service using distributed
measurement-based admission control
Author(s) : B. Briscoe, et al.
Filename : draft-briscoe-tsvwg-cl-architecture-00.txt
Pages : 26
Date : 2005-7-13
This document describes an architecture to achieve a Controlled Load
(CL) service edge-to-edge, i.e. within a particular region of the
Internet, by using distributed measurement-based admission control. The
measurement made is of CL packets that have their Congestion
Experienced (CE) codepoint set as they travel across the edge-to-edge
region. Setting the CE codepoint, which is under the control of a new
Per Hop Behaviour (CL-ramp-PHB, defined in draft-briscoe-tsvwg-cl-phb-
00.txt), provides an ^early warning^ of potential congestion. This
information is used by the ingress node of the edge-to-edge region to
decide whether to admit a new CL microflow.
A use case is described which shows how the PHB is a fundamental
building block in the edge-to-edge architecture, and in turn how this
is a building block within a broader QoS architecture achieving an end-
to-end CL service.
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