John Hasler wrote: > > The first byte of the packet containing trade A arrives within 100ns of the > first byte of the packet containing trade B (using custom software and > hardware all the way down to the wire protocol, of course).
If they are interested in more than showing a lack of causal relationship, they will need to define a frame of reference (I guess UTC must do that), as the sign of the relative time between events in New York and London which are outside the light cone will depend on the observer! _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions