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Parallel and Distributed Processing and Applications

Volume 3758 of the series Lecture Notes in Computer Science pp 1055-1064

Next Generation Networks Architecture and Layered End-to-End QoS Control

  • Weijia JiaAffiliated withCarnegie Mellon UniversityDepartment of Computer Science, City University of Hong Kong
  • , Bo HanAffiliated withCarnegie Mellon UniversityDepartment of Computer Science, City University of Hong Kong
  • , Ji ShenAffiliated withCarnegie Mellon UniversityDepartment of Computer Science, City University of Hong Kong
  • , Haohuan FuAffiliated withCarnegie Mellon UniversityDepartment of Computer Science, City University of Hong Kong

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Abstract

Next-generation network (NGN) is a new concept and becoming more and more important for future telecommunication networks. This paper illustrates five function layers of NGN architecture and discusses some end-to-end QoS (quality of service) issues for NGN (called NGNQoS). The five function layers are: (1) Application Layer that supports SIP protocol; (2) Network Control Layer that aims at overcoming the bottleneck problems at edge nodes or servers for end-to-end admission control; (3) Adaptation Layer that supports different network configurations and network mobility; (4) Network Transmission Layer that provides end-to-end QoS control for real-time communications through integrating Differentiated Service (DiffServ) and Multi-Protocol Label Switching (MPLS) and (5) Management Layer that provides Web-based GUI browser for data presentation, monitoring, modification and decision making in NGN.