Patent ID: 8583957
Filing Date: 2013-11-12
Classification: G06F

Abstract:
1. A system, comprising: a master clock; a first counter, coupled to and associated with the master clock; one or more devices coupled to the master clock and each other via a switched fabric, wherein each of the one or more devices includes a respective clock; one or more second counters, wherein each second counter is coupled to and associated with a respective one of the one or more devices, and wherein each of the first counter and second counters is accessible by each of the one or more devices; wherein each of the one or more devices is configured to: wherein each of the one or more devices has an associated propagation delay corresponding to a signal path between the device's associated clock and the master clock, wherein each of the one or more devices is further configured to determine its associated propagation delay; wherein to determine and store a time reference for the device, each of the one or more devices is further configured to determine and store the time reference for the device further based on the determined associated propagation delay; wherein the switched fabric comprises a switch, wherein the switch comprises the one or more second counters, wherein each of the one or more devices further comprises a respective third counter which is accessible by each of the other one or more devices, and wherein to determine the associated propagation delay, each of the one or more devices is configured to: