Researchers at the Massachusetts Institute of Technology's Computer Science and Artificial Intelligence Laboratory have unveiled Flowtune, a new system for allocating bandwidth in datacenter networks.
Tests showed the system maintained the same network throughput as those currently in use, while allocating bandwidth more fairly, completing the download of all of a page's components up to four times faster.
Flowtune operators assign different values or "prices" to boosts in the transmission rates of data sent by different programs. For each pair of sending and receiving computers, Flowtune estimates the transmission rate that maximizes total "profit," or the difference between the value of higher transmission rates and the price of the requisite bandwidth across all the intervening connections.
Maximizing profit changes demand across the links, so Flowtune continually recalculates prices as well as maximum profits, assigning the resulting transmission rates to the servers sending data across the network.
From MIT News
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