The state-of-the-art Solutions PDQ [SIGCOMM,121 fAbric[SIGCOMM'13 PASE [ SIGCOMM'141 All assume prior knowledge of flow size information to approximate ideal preemptive Shortest Job First(SJF) with customized network elements
The State-of-the-art Solutions • PDQ [SIGCOMM’12] • pFabric [SIGCOMM’13] • PASE [SIGCOMM’14] • … All assume prior knowledge of flow size information to approximate ideal preemptive Shortest Job First (SJF) with customized network elements 6
The state-of-the-art Solutions PDQ [SIGCOMM,121 fAbric[SIGCOMM'13 PASE [ SIGCOMM'141 All assume prior knowledge of ftow size informatiorto approximate ideal preemptive Shortest Job First(SJF) with customized network elements Not feasible for some applications
The State-of-the-art Solutions • PDQ [SIGCOMM’12] • pFabric [SIGCOMM’13] • PASE [SIGCOMM’14] • … All assume prior knowledge of flow size information to approximate ideal preemptive Shortest Job First (SJF) with customized network elements Not feasible for some applications 7
The state-of-the-art Solutions PDQ [SIGCOMM,121 fAbric[SIGCOMM'13 PASE [ SIGCOMM'141 All assume prior knowledge of ftow size imformrationtto approximate ideal preemptive Shortest Job First(SJF) with customized network elements Hard to deploy in practice
The State-of-the-art Solutions • PDQ [SIGCOMM’12] • pFabric [SIGCOMM’13] • PASE [SIGCOMM’14] • … All assume prior knowledge of flow size information to approximate ideal preemptive Shortest Job First (SJF) with customized network elements Hard to deploy in practice 8
Question Without prior knowledge of flow size information, how to minimize fct in commodity data centers?
Question Without prior knowledge of flow size information, how to minimize FCT in commodity data centers? 9
Design goal 1 Without prior knowledge of flow size information, how to minimize fct in commodity data centers? Information-agnostic: not assume a priori knowledge of flow size information available from the applications
Design Goal 1 Without prior knowledge of flow size information, how to minimize FCT in commodity data centers? Information-agnostic: not assume a priori knowledge of flow size information available from the applications 10