Hardware timestamping

Time is money. And in the case of modern computer network-centric world, this is even more eminent. The knowledge of what happens when is a must for wide range of network applications. Electronic trading is a good example – low latency of market data processing, analysis of delays of network links, or analysis of internal processing are areas where precise timestamping is a necessity. Ignoring this is like losing one of your senses.



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High-speed networks put technical requirements on timestamping that are not easy to be met. Packets are transferred so fast that microsecond resolution is not enough. You need to go for nanosecond resolution. And what more, it matters very much where you assign the timestamps. The right place is right where packets meet your hardware, i.e. as close as possible to the physical network interface.

Assigning timestamps in software results in below-optimal behavior because of the delay and jitter introduced by the whole channel from hardware to software. Netcope is aware of these requirements and outfits all of their cards with appropriate hardware and software units for hardware timestamping with nanosecond resolution.

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