40GE/100GE的报文到达时间为1588

2012 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication Proceedings Pub Date : 2012-10-22 DOI:10.1109/ISPCS.2012.6336614

D. Mendel, H. Schmit, D. Vijayaraghavan

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引用次数: 1

摘要

1588时间戳假定一个定义良好的瞬间，即数据包的开头穿过PTP节点和网络之间的参考平面。然而，在40GE/100GE等多车道串行总线的情况下，这个定义并不明确。此外，在现有定义中没有捕获的串行总线的车道之间存在隐含的时间顺序。本文探讨了多通道串行总线的问题，因为它与时间戳有关，并提出了串行总线中数据包到达时间的修订定义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Packet arrival time in 1588 for 40GE/100GE

1588 timestamping assumes a well-defined instant at which the beginning of a packet crosses the reference plane between the precision time protocol (PTP) node and the network. However, this definition is not clear in the case of a multi-lane serial bus such as 40GE/100GE. Furthermore, there is an implied time-ordering between the lanes of a serial bus that is not captured in the existing definition. This paper explores issues with multi-lane serial buses as it relates to time-stamping and proposes revised definitions for packet arrival time in the case of a serial bus.

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2012 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication Proceedings

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