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Differentiated Services Experiments Between the Electronic Visualization Laboratory and Argonne National Laboratory
Authors: Leigh, J., Yu, O., Verlo, A., Roy, A., Winkler, L., DeFanti, T.
Publication: EMERGE Report Differentiated Services (DiffServ) is a mechanism for supporting network Quality of Service (or QoS) whereby packets that are transmitted by a client program are marked with a priority setting that can be interpreted by the router to effect special treatment of the packet. In particular the marked packets are promoted to a higher priority queue in the router and, as a result, spend a minimum amount of time in the router. Packets that are not marked are attached to a lower priority queue, and in some cases may be dropped when congestion arises. A more detailed description of DiffServ may be found in the paper by Sander et al [Sander et al 2000]. A series of experiments were performed over a wide area DiffServ testbed as part of the EMERGE project. EMERGE is a Department of Energy funded project for designing, deploying and testing Differentiated Services on an IP / ATM Regional GigaPoP Network interoperating with ESnet for applications in Combustion, Climate and High-Energy Physics. The main participants of the experiments in this report were EVL and Argonne National Laboratory (ANL). Date: December 1, 2000 Document: View PDF |
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