| T. DeFanti, I. Foster, M. Papka, R. Stevens, and T. Kuhfuss, "Overview of the IWAY: Wide-Area Visual Supercomputing," The Intl. Journal of Supercomputing Applications and High Performance Computing, vol. 10, no. 2, Summer-Fall 1996. |
....token must be handled by each system, the number of systems being monitored imposes a maximum frequency with which measurements can be taken. For small collections of machines it is adequate, but for larger scale systems such as the Distributed Object Computational Testbed (DOCT) 1] or the I way [11, 24] we will need another mechanism. 3.2 Storage Requirements Storage intrusiveness is also an issue. Some of the forecasting methods discussed in Section 4 require a history of measurements. In order to bound the storage requirements of the system, we limit the number of measurements each server is ....
DeFanti, T., Foster, I., Papka, M., Stevens, R., and Kuhfuss, T. Overview of the iway: Wide area visual supercomputing. International Journal of SUpercomputer Applications (To Appear).
....ability to predict the TCP IP end to end throughput and latency that is attainable by an application using systems located at different sites. Such network forecasts are needed both to support scheduling [5] and by the metacomputing software infrastructure to develop quality of service guarantees [10, 17]. Keywords: scheduling, metacomputing, quality of service, statistical forecasting, network performance monitoring 1 Introduction As network technology advances, the resulting improvements in interprocess communication speeds make it possible to use interconnected but separate computer systems ....
....the service the Network Weather Service (NWS) We have developed the NWS for use by schedulers in a networked computational environment. The AppLeS scheduling methodology [4, 2] makes extensive use of its facilities and we are currently implementing versions for Legion [17, 25] and Globus Nexus [10, 15]. Initial scheduling results using the NWS are promising [5] In this paper, we focus on the problem of network performance forecasting within the context of scheduling, and the predictive methodologies that we have chosen to explore initially. We have developed a prototype of the NWS that ....
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DeFanti, T., Foster, I., Papka, M., Stevens, R., and Kuhfuss, T. Overview of the iway: Wide area visual supercomputing. International Journal of Supercomputer Applications (To Appear).
....computational resources superior to that offered by a single site [3] In principle, metacomputing can both increase accessibility to supercomputing capabilities and provide more cost effective computing than do conventional high performance systems. Experiments such as the I WAY GII Testbed [4] have demonstrated serious applications on wide area networks. However, concerns remain regarding the viability of the approach. Two questions appear particularly troublesome. Is there in practice a large base of applications able to exploit geographically distributed resources connected by ....
....a rather different class of applications to Nimrod: for the most part, tightly coupled applications with demanding network quality of service requirements. Hence, it is interesting to understand how I WAY and Nimrod requirements correspond and differ. 4. 1 The I WAY Experiment The I WAY project [4] was conceived in early 1995 with the goal of providing a largescale testbed in which innovative high performance and geographically distributed applications could be deployed. The testbed comprised an ATM network connecting supercomputers, mass storage systems, and advanced visualization devices ....
T. DeFanti, I. Foster, M. Papka, R. Stevens, and T. Kuhfuss. Overview of the IWAY: Wide area visual supercomputing. Intl J. Supercomputer Applications, 1996. in press.
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T. DeFanti, I. Foster, M. Papka, R. Stevens, and T. Kuhfuss, "Overview of the IWAY: Wide-Area Visual Supercomputing," The Intl. Journal of Supercomputing Applications and High Performance Computing, vol. 10, no. 2, Summer-Fall 1996.
No context found.
T. DeFanti, I. Foster, M. Papka, R. Stevens, and T. Kuhfuss. Overview of the IWay: Wide area visual supercomputing. International Journal of Supercomputer Applications, 10#2#, 1996.
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T. A. DeFanti, I. Foster, M. E. Papka, R. Stevens, T. Kuhfuss, "Overview of the IWAY: Wide Area Visual Supercomputing," International Journal of Supercomputing Applications and High Performance Computing, 10, 2-3, pp. 123-131, 1996.
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T. DeFanti, I. Foster, M. Papka, R. Stevens, and T. Kuhfuss. Overview of the iway: Wide area visual supercomputing. International Journal of Supercomputer Applications, In Press.
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T. DeFanti, I. Foster, M. Papka, R. Stevens, and T. Kuhfuss, Overview of the IWay: Wide-Area Visual Supercomputing, The International Journal of Supercomputer Applications and High Performance Computing 10 (1997), no. 2, 123--131.
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