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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Peng He Hongtao Guan Gaogang Xie Salamatian, K. |
| Copyright Year | 2012 |
| Abstract | In recent years, there has been a growing interest in multi/many core processors as a target architecture for high performance software router. This is a clear difference from the previous trend to use dedicated network processors and hardware components. Because of its key position in routers, hardware IP lookup implementation has been intensively studied with TCAM and FPGA based architecture. However, increasing interest in software implementation has also been observed. In this paper, we evaluate the performance of software only IP lookup on a many core chip, the TILEPro64 processor. For this purpose we have implemented two widely used IP lookup algorithms, DIR-24-8-BASIC and Tree Bitmap. We evaluate the performance of these two algorithms over the TILEPro64 processor with both synthetic and real-world traces. After a detailed analysis, we propose a hybrid scheme which provides high lookup speed and low worst case update overhead. Our work shows how to exploit the architectural features of TILEPro64 to improve the performance, including many optimization in both single-core and parallelism aspects. Experiment results show by using only 18 cores, we can achieve a lookup throughput of 60Mpps (almost 40Gbps) with low power consumption, which demonstrates great performance potentials in many core processor. |
| Starting Page | 1 |
| Ending Page | 7 |
| File Size | 468762 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781467315432 |
| e-ISBN | 9781467315449 |
| DOI | 10.1109/ICCCN.2012.6289233 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-07-30 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | IP networks Program processors Multicore processing Software algorithms Routing Arrays |
| Content Type | Text |
| Resource Type | Article |
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