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End-to-end latency is critical to many distributed applications and services that are based on computer networks. There has been a dramatic push to adopt wireless networking technologies and protocols (such as WiFi, ZigBee, WirelessHART, Bluetooth, ISA100.11a, etc.) into time-critical applications. Examples of such applications include industrial automation, telecommunications, power utility, and...
In regards to network performance measurements, many timing indices, such as latency, jitter, and one-way delay (OWD), are getting more attention because real-time applications and needs are pushing higher network capabilities. Data latency in a network can be measured by placing additional unidirectional-data-flow (UDF) devices, such as test access taps (TAPs), on the network path. However, this...
Currently, many large and complex systems, such as telecommunication systems, power systems, and automated manufacture systems, require their distributed clocks to be synchronized to the master clock. This paper discusses implementation of a distributed embedded time-synchronized system, based on the IEEE 1588 standard. Two important requirements exist in time synchronization. One is that the clocks...
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