A Framework for End-to-End Service Differentiation: Network Planes and Parallel Internets

Authors:
M. Boucadair;P. Levis;D. Griffin;N. Wang;M. Howarth;G. Pavlou;E. Mykoniati;P. Georgatsos;B. Quoitin;J. Rodriguez Sanchez;M. L. Garcia-Osma
Affiliations:
France Telecom, Paris;-;-;-;-;-;-;-;-;-;-
Venue:
IEEE Communications Magazine
Year:
2007

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Abstract

This article presents a technology-agnostic and a multi-dimensional (i.e., routing, forwarding, and traffic management dimensions) approach for the management of IP network resources to ensure service differentiation with both intra- and inter-domain scope. This article introduces the network plane (NP) and parallel Internets (PI) concepts for achieving service differentiation. Based on these concepts, a functional architecture together with a business model is presented. In addition, this article describes how the proposed approach can become a promising platform for the IP multimedia subsystem (IMS), with the objective of providing end-to-end QoS-enabled multimedia delivery across multiple providers to replace the flow-based reservation mode known as the VoIP resource reservation framework.