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PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN
VERSION:2.0
BEGIN:VEVENT
DTSTART:20151118T203000Z
DTEND:20151118T210000Z
LOCATION:19AB
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: We investigate the file transfer scheduling problem, where transfers among different endpoints must be scheduled to maximize pertinent metrics. We propose two new algorithms. The first, SEAL, uses runtime information and data-driven models to adapt transfer schedules and concurrency to maximize performance. We implement this algorithm using GridFTP as transfer protocol and evaluate it using real logs in a production WAN environment. Results show that SEAL can improve average slowdowns and turnaround times by up to 25% and worst-case slowdown and turnaround times by up to 50%, compared with the best-performing baseline scheme. Our second algorithm, STEAL, further leverages user-supplied categorization of transfers as either “interactive” (requiring immediate processing) or “batch” (less time-critical). Results show that STEAL reduces the average slowdown of interactive transfers by 63% compared to the best-performing baseline and by 21% compared to SEAL, while allowing batch tasks to use a large portion of the excess bandwidth.
SUMMARY:An Elegant Sufficiency: Load-Aware Differentiated Scheduling of Data Transfers
PRIORITY:3
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