Publication No 26773

Author(s)

Lorang, M.*; Renger, T.*; Pettersen, H.; Aarstad, E.; Jaussi, L.; Potts, M.

Title

Experiments on Integrated Traffic Control for ATM in the ACTS Project EXPERT

Topics

Broadband Networks; Communication Control

Methods

Traffic Engineering; Performance Evaluation; Measurement and Trials

Keywords

SERVICE CATEGORY; UBR; VBR; TRAFFIC CONTROL; TEST; TCP/IP; PACKET DISCARDING; CONNECTION ADMISSION CONTROL; ATM

Abstract

In this paper first an overview of the ACTS project EXPERT is given by briefly describing the major project goals and the related technical work items, the sophisticated testbed infrastructure and the various collaborations EXPERT has with other R&D projects. Focus is then given to an important area of work within EXPERT, namey the definition and investigation of a traffic control architecture which allows different ATM service categories to share common resources and thereby to integrate them into one ATM network. For switches which employ delay priorities among service categories, a CAC method is presented which takes into account the specific requirements of each category as well as the underlying buffer architecture. This concept is validated for rt-VBR and nrt-VBR type of traffic. Extensive experiments and measurements have been made to investigate the performance of TCP over UBR with and without packet discard schemes dependent on many parameters of the involved protocol layers.

Year

1997

Reference entry

Lorang, M.; Renger, T.; Pettersen, H.; Aarstad, E.; Jaussi, L.; Potts, M.
Experiments on Integrated Traffic Control for ATM in the ACTS Project EXPERT
Proceedings of the European Conference on Networks and Optical Communications (NOC '97): Core and ATM Networks, Antwerp, June 1997, pp. 279-286

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