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Data Analysis


Simple deltas benefit by trading off computation of the deltas for a reduction in bandwidth and latency over the slow link when both sides store the same old version of a page. Optimistic deltas trade off an increase in the amount of data transferred, by sending an older version during an idle time of the slow link followed by a delta, for a reduction in end-to-end latency. The viability of either form of deltas is thus dependent on ``smallness'' of deltas, which we evaluate in Section 3.1. Optimistic deltas depend additionally upon long idle times on the slow link, which we consider in Section 3.2.

Gaurav Banga
Tue Nov 12 20:47:38 EST 1996