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pHost: Distributed Near-Optimal Datacenter Transport Over Commodity Network Fabric
| Content Provider | CiteSeerX |
|---|---|
| Author | Gao, Peter X. Narayan, Akshay Agarwal, Rachit Ratnasamy, Sylvia Shenker, Scott |
| Abstract | The importance of minimizing flow completion times (FCT) in datacenters has led to a growing literature on new network transport designs. Of particular note is pFabric, a protocol that achieves near-optimal FCTs. However, pFabric’s perfor-mance comes at the cost of generality, since pFabric requires specialized hardware that embeds a specific scheduling pol-icy within the network fabric, making it hard to meet diverse policy goals. Aiming for generality, the recent Fastpass pro-posal returns to a design based on commodity network hard-ware and instead relies on a centralized scheduler. Fastpass achieves generality, but (as we show) loses many of pFab-ric’s performance benefits. We present pHost, a new transport design aimed at achieving both: the near-optimal performance of pFabric and |
| File Format | |
| Access Restriction | Open |
| Content Type | Text |
