Quality of service in BT's MPLS-VPN platform

  • Authors:
  • S. F. Carter

  • Affiliations:
  • -

  • Venue:
  • BT Technology Journal
  • Year:
  • 2005

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Abstract

The multi-protocol label switching virtual private network (MPLS-VPN) is now firmly established as the preferred choice for providing private IP networking services for a very wide range of customer type, from small regional organisations, to large multinational corporations. Quality of service (QoS) is a natural complement to MPLS-VPN technology, enabling multiservice operation, and supporting the increasing drive toward application convergence. BT has recently launched a second-generation QoS scheme for its MPLS-VPN platform that gives unparalleled capability. This paper gives a detailed overview of the principles and mechanisms of differentiated-services QoS, and describes how this is applied in the BT design.