The design of a QoS-controlled ATM-based communications system in Chorus

COULSON, G and CAMPBELL, A and ROBIN, P and BLAIR, G and PAPATHOMAS, M and Shepherd, William (1995) The design of a QoS-controlled ATM-based communications system in Chorus. IEEE Journal on Selected Areas in Communications, 13 (4). pp. 686-699. ISSN 0733-8716

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We describe the design of an application platform able to run distributed real-time and multimedia applications alongside conventional UNIX programs, The platform is embedded in a microkernel/PC environment and supported by an ATM-based, QoS-driven communications stack, In particular, me focus on resource-management aspects of the design and deal with CPU scheduling, network resource-management and memory-management issues. An architecture is presented that guarantees QoS levels of both communications and processing with varying degrees of commitment as specified by user-level QoS parameters. The architecture uses admission tests to determine whether or not new. activities can be accepted and includes modules to translate user-level QoS parameters into representations usable by the scheduling, network, and memory-management subsystems.

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Journal Article
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IEEE Journal on Selected Areas in Communications
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12 Mar 2012 13:50
Last Modified:
21 Nov 2022 22:04