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BGP Class of Service Interconnection

Authors
Publisher
Universitätsbibliothek Chemnitz
Publication Date
Keywords
  • Bgp
  • Class Of Service
  • Cos
  • Interconnection
  • Ddc:000
  • Ddc:500
  • Border Gateway Protocol
  • Dienstgüte

Abstract

This document focuses on Class of Service Interconnection at inter- domain peering points. It specifies two new non-transitive attributes, which enable adjacent peers to signal Class of Service Capabilities and certain Class of Service admission control Parameters. The new "CoS Capability Attribute" is deliberately kept simple and denotes the general EF, AF Group and BE forwarding support across the advertising AS. The second "CoS Parameter Attribute" is of variable length and contains a more detailed description of available forwarding behaviours using the PHB id Code encoding. Each PHB id Code is associated with rate and size based traffic parameters, which will be applied in the ingress AS Border Router for admission control purposes to a given forwarding behaviour. The denoted Class of Service forwarding support is meant as the AS externally available (transit) Class of Service support.

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