CASE FOR TCP VEGAS IN HIGH-PERFORMANCE COMPUTATIONAL GRIDS

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Computational grids such as the Information Power Grid, Particle Physics Data Grid, and Earth System Grid depend on TCP to provide reliable communication between nodes across a wide-area network (WAN). Of the available TCP implementations, TCP Reno and its variants are the most widely deployed; however, Reno's performance in computational grids is mediocre at best. Due to conflicting results in the evaluation of TCP implementations we present a detailed simulation study that unifies the conflicting results and demonstrates the limitations of earlier work. We focus on the two most debated versions of TCP - Reno and Vegas. Using real trafJic ... continued below

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11 p.

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Weigle, E. H. (Eric H.) & Feng, W. C. (Wu-Chun) January 1, 2001.

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Computational grids such as the Information Power Grid, Particle Physics Data Grid, and Earth System Grid depend on TCP to provide reliable communication between nodes across a wide-area network (WAN). Of the available TCP implementations, TCP Reno and its variants are the most widely deployed; however, Reno's performance in computational grids is mediocre at best. Due to conflicting results in the evaluation of TCP implementations we present a detailed simulation study that unifies the conflicting results and demonstrates the limitations of earlier work. We focus on the two most debated versions of TCP - Reno and Vegas. Using real trafJic distributions, we show that Vegas performs well over modern high-performance links and better than Reno with the proper selection of the Vegas parameters a and p. Our results exhibit ways to signijicantly enhance the performance of distributed computational grids that rely on TCP.

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11 p.

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  • "Submitted to: IEEE International Symposium on High-Performance Distributed Computing."

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  • Report No.: LA-UR-01-3420
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 975581
  • Archival Resource Key: ark:/67531/metadc929084

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 2001

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 10:55 p.m.

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Weigle, E. H. (Eric H.) & Feng, W. C. (Wu-Chun). CASE FOR TCP VEGAS IN HIGH-PERFORMANCE COMPUTATIONAL GRIDS, article, January 1, 2001; United States. (digital.library.unt.edu/ark:/67531/metadc929084/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.