2475: An Architecture for Differentiated Service.

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This document defines an architecture for implementing scalable service differentiation in the Internet. This architecture achieves scalability by aggregating traffic classification state which is conveyed by means of IP-layer packet marking using the DS field [DSFIELD]. Packets are classified and marked to receive a particular per-hop forwarding behavior on nodes along their path. Sophisticated classification, marking, policing, and shaping operations need only be implemented at network boundaries or hosts. Network resources are allocated to traffic streams by service provisioning policies which govern how traffic is marked and conditioned upon entry to a differentiated services-capable network, and how that traffic is forwarded within that network. A wide variety of services can be implemented on top of these building blocks.
Status INFORMATIONAL
Format TXT=94786 bytes
Authors W. Weiss Z. Wang E. Davies M. Carlson D. Black
Date December 1998
Keyphrases DS traffic Differentiated Services node

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