B. Chandra. Web workloads influencing disconnected services access. Master's thesis, University of Texas at Austin, 2001.  Home/Search   Document Details and Download   Summary   Related Articles   Check

.... frequently as data change [13, 50, 48] Technology trends suggest that wasting bandwidth and storage to improve latency and availability will become increasingly attractive in the future: per byte network transport costs and disk storage costs are low and have been improving at 80 100 per year [9, 17, 37]; conversely network availability [11, 40, 54] and network latencies improve slowly, and long latencies and failures waste human time. Current operating systems and networks do not provide good support for aggressive background transfers. In particular, because background transfers compete with ....

....work was supported in part by an NSF CISE grant (CDA 9624082) the Texas Advanced Technology Program, the Texas Advanced Research Program, and Tivoli. Dahlin was also supported by an NSF CAREER award (CCR 9733842) and an Alfred P. Sloan Research Fellowship. and months (e.g. technology trends [9, 37]) We focus on managing network resources rather than processors, disks, and memory both because other work has provided suitable end station schedulers for these local resources [10, 24, 33, 39, 45] and because networks are shared across applications, users, and organizations and therefore pose ....

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B. Chandra. Web workloads influencing disconnected service access. Master's thesis, University of Texas at Austin, May 2001.

.... frequently as data change [13, 50, 48] Technology trends suggest that wasting bandwidth and storage to improve latency and availability will become increasingly attractive in the future: per byte network transport costs and disk storage costs are low and have been improving at 80 100 per year [9, 17, 37]; conversely network availability [11, 40, 54] and network latencies improve slowly, and long latencies and failures waste human time. Current operating systems and networks do not provide good support for aggressive background transfers. In particular, because background transfers compete with ....

....spare bandwidth to gain the advantages of background transfers. Self tuning resource management seems essential for coping with network conditions that change significantly over periods of seconds (e.g. changing congestion [54] hours (e.g. diurnal patterns) and months (e.g. technology trends [9, 37]) We focus on managing network resources rather than processors, disks, and memory both because other work has provided suitable end station schedulers for these local resources [10, 24, 33, 39, 45] and because networks are shared across applications, users, and organizations and therefore pose ....

[Article contains additional citation context not shown here]

B. Chandra. Web workloads influencing disconnected service access. Master's thesis, University of Texas at Austin, May 2001.

....will be difficult to successfully hand tune applications that use massive replication. Moving and storing electrons is extremely cheap, so it can make sense to waste many electrons to improve human perceived availability and latency. In particular, the rapidly falling cost of network bandwidth [5, 14] and disk storage [8] each improving at nearly 100 per year may call for more aggressive replication than intuition might first suggest. Gray and Shenoy [10] describe a back of the envelope analysis that compares the dollar value of caching data versus the dollar cost of waiting while the ....

....consider prefetching and conclude that using an assumption similar to Gray and Shenoy s estimates of network and disk costs in the year 2000, a system may be economically justified in prefetching an object even if there is only a 1 chance that that object will ever be used. In his Master s thesis [5], Chandra argues that even more aggressive replication could be justified in the future given disk and network cost trends and given the desire to improve end to end availability not just performance. 1 Care should be taken in interpreting these results. If everyone started prefetching this ....

B. Chandra. Web workloads influencing disconnected services access. Master's thesis, UT Austin, 2001.

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B. Chandra. Web workloads influencing disconnected services access. Master's thesis, University of Texas at Austin, 2001.

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B. Chandra. Web workloads influencing disconnected services access. Master's thesis, University of Texas at Austin, 2001.

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