An MPLS-DiffServ experimental core network infrastructure for E2E QoS content delivery

  • Authors:
  • N. Zotos;G. Xilouris;E. Pallis;A. Kourtis

  • Affiliations:
  • NCSR Demokritos, Athens, Greece;NCSR Demokritos, Athens, Greece;NCSR Demokritos, Athens, Greece;NCSR Demokritos, Athens, Greece

  • Venue:
  • AICCSA '08 Proceedings of the 2008 IEEE/ACS International Conference on Computer Systems and Applications
  • Year:
  • 2008

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Abstract

The continuing and rapid growth of the Internet has created an extremely large capacity problem to the service and content provider’s networks. The increased network traffic and the absence of service priority, usually produce high network congestions, delayed data and service transmissions and lack of throughput. The effect of these factors in A\V content transmission is to distort the initial content and decrease the content quality. To avoid this negative effect, service and content providers are looking for architectures that give them greater control on traffic passing through their domains and other heterogeneous networks. This document proposes an experimental core network architecture (MPLS-DiffServ) presenting a solution for content providers that want reliable and agreed level of quality, even if the network is under congestion. MPLS-DiffServ architecture, couples the DiffServ’s per hop guarantees with MPLS traffic engineering capabilities. Furthermore, content/services of different format will be distributed over MPLS-DiffServ network with different guarantee limits and delivered on a variety of user terminals..