JouleSort: a balanced energy-efficiency benchmark
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
Understanding and Designing New Server Architectures for Emerging Warehouse-Computing Environments
ISCA '08 Proceedings of the 35th Annual International Symposium on Computer Architecture
Gordon: using flash memory to build fast, power-efficient clusters for data-intensive applications
Proceedings of the 14th international conference on Architectural support for programming languages and operating systems
Achieving 10 Gb/s using safe and transparent network interface virtualization
Proceedings of the 2009 ACM SIGPLAN/SIGOPS international conference on Virtual execution environments
Disaggregated memory for expansion and sharing in blade servers
Proceedings of the 36th annual international symposium on Computer architecture
A comparison of approaches to large-scale data analysis
Proceedings of the 2009 ACM SIGMOD International Conference on Management of data
PortLand: a scalable fault-tolerant layer 2 data center network fabric
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
VL2: a scalable and flexible data center network
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
FAWN: a fast array of wimpy nodes
Proceedings of the ACM SIGOPS 22nd symposium on Operating systems principles
Energy proportional datacenter networks
Proceedings of the 37th annual international symposium on Computer architecture
NetLord: a scalable multi-tenant network architecture for virtualized datacenters
Proceedings of the ACM SIGCOMM 2011 conference
Secure I/O device sharing among virtual machines on multiple hosts
Proceedings of the 40th Annual International Symposium on Computer Architecture
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Recent proposals using low-power processors and Flash-based storage can dramatically improve the energy-efficiency of compute and storage subsystems in data-centric computing. However, in a balanced system design, these changes call for matching improvement in the network subsystem as well. Conventional Ethernet-based networks are a potential energy-efficiency bottleneck due to the limited performance of gigabit Ethernet and the high power overhead of 10-gigbit Ethernet. In this paper, we evaluate the benefits of using an alternative, high-bandwidth, low-power, interconnect---PCIe---for power-efficient networking. Our experiments using PCIe's Non-Transparent Bridging for data transfer demonstrate significant performance gains at lower power, leading to 60--124% better energy efficiency. Early experiences with PCIe clustering also point to several challenges of PCIe-based networks and new opportunities for low-latency power-efficient datacenter networking.