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Most data center applications perform rich and complex tasks (e.g., executing a search query or generating a user's wall). From a network perspective, these tasks typically comprise multiple flows, which traverse different parts of the network at potentially different times. Existing network resource allocation schemes, however, treat all these flows in isolation -rather than as part of a task -and therefore only optimize flow-level metrics. In this paper, we show that task-aware networkdoi:10.1145/2619239.2626322 dblp:conf/sigcomm/DogarKBR14 fatcat:u7gzsaaiirbzncqjjipkvs65sy