How to Distribute GPS-Time over COTS-based LANs

  title={How to Distribute GPS-Time over COTS-based LANs},
  author={Ulrich Schmid and Martin Horauer and Nikolaus Kero},
This paper shows how to distribute GPS-time with s-accuracy and below even in Ethernet-based distributed systems. Our SynUTC-approach 1 is based upon a simple network controller-level hardware for timestamping data packets as they leave and arrive at a node, which comes in two avours: The memory-based timestamping method exploited by our Network Time Interface (NTI) M-Module timestamps data packets as the network controller accesses them in memory. This technique can be used for virtually any… CONTINUE READING
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