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| Content Provider | ACM Digital Library |
|---|---|
| Author | Dinda, Peter A. Bridges, Patrick G. Lange, John R. Cui, Zheng Xia, Lei Tang, Yuan |
| Abstract | It is now possible to allow VMs hosting HPC applications to seamlessly bridge distributed cloud resources and tightly-coupled supercomputing and cluster resources. However, to achieve the application performance that the tightly-coupled resources are capable of, it is important that the overlay network not introduce significant overhead relative to the native hardware, which is not the case for current user-level tools, including our own existing VNET/U system. In response, we describe the design, implementation, and evaluation of a layer 2 virtual networking system that has negligible latency and bandwidth overheads in 1--10 Gbps networks. Our system, VNET/P, is directly embedded into our publicly available Palacios virtual machine monitor (VMM). VNET/P achieves native performance on 1 Gbps Ethernet networks and very high performance on 10 Gbps Ethernet networks and InfiniBand. The NAS benchmarks generally achieve over 95% of their native performance on both 1 and 10 Gbps. These results suggest it is feasible to extend a software-based overlay network designed for computing at wide-area scales into tightly-coupled environments. |
| Starting Page | 259 |
| Ending Page | 270 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781450308052 |
| DOI | 10.1145/2287076.2287116 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2012-06-18 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Overlay networks Scalability Hpc Virtualization |
| Content Type | Text |
| Resource Type | Article |
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