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Reliable control protocol for crossbar arbitration
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DOI：10.1109/LCOMM.2005.02018.png)
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摘要
En 中文
We describe an incremental request-grant protocol between line cards comprising virtual output queues and a central arbitration unit in a crossbar-based packet switch. Moreover, we introduce a method to make this protocol reliable in the presence of transmission errors that might lead to permanent inconsistency of the queue state information maintained by the arbiter. The protocol employs a census mechanism that travels the round-trip distance from line card to arbiter and back. We prove that it detects any inconsistency as well as its precise magnitude, enabling immediate corrective action.
Keyword:
packet switching
protocols
reliability
期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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