A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Differentiated Services Working Group of the IETF.
Title : Definition of Differentiated Services Per Domain
Behaviors and Rules for their Specification
Author(s) : K. Nichols, B. Carpenter
Filename : draft-ietf-diffserv-pdb-def-01.txt
Pages : 18
Date : 26-Oct-00
The differentiated services framework enables quality-of-service
provisioning within a network domain by applying rules at the edges to
create traffic aggregates and coupling each of these with a specific
forwarding path treatment in the domain through use of a codepoint in
the IP header [RFC2474]. The diffserv WG has defined the general
architecture for differentiated services [RFC2475] and has focused on
the forwarding path behavior required in routers, known as 'per-hop
forwarding behaviors' (or PHBs) [RFC2474, RFC2597, and RFC2598]. The WG
has also discussed functionality required at diffserv (DS) domain edges
to select (classifiers) and condition (e.g., policing and shaping)
traffic according to the rules [RFC2475, MODEL, MIB]. Short-term changes
in the QoS goals for a DS domain are implemented by changing only the
configuration of these edge behaviors rather than reconfiguring the
behavior of interior network nodes.
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