Building a robust software-based router using network processors (2001)
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| Venue: | In Proceedings of the 18th ACM Symposium on Operating Systems Principles (SOSP |
| Citations: | 101 - 1 self |
BibTeX
@INPROCEEDINGS{Spalink01buildinga,
author = {Tammo Spalink and Scott Karlin and Larry Peterson and Yitzchak Gottlieb},
title = {Building a robust software-based router using network processors},
booktitle = {In Proceedings of the 18th ACM Symposium on Operating Systems Principles (SOSP},
year = {2001},
pages = {216--229}
}
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Abstract
ABSTRACT Recent efforts to add new services to the Internet have increased in-terest in software-based routers that are easy to extend and evolve. This paper describes our experiences using emerging network pro-cessors--in particular, the Intel IXP1200--to implement a router. We show it is possible to combine an IXP1200 development boardand a PC to build an inexpensive router that forwards minimumsized packets at a rate of 3:47Mpps. This is nearly an order ofmagnitude faster than existing pure PC-based routers, and sufficient to support 1:77Gbps of aggregate link bandwidth. At lesser aggre-gate line speeds, our design also allows the excess resources available on the IXP1200 to be used robustly for extra packet process-ing. For example, with 8 \Theta 100Mbps links, 240 register operationsand 96 bytes of state storage are available for each 64-byte packet.
