Wire-Level Timestamping refers to the practice of recording the exact moment a data packet or message traverses a specific network interface, typically at the lowest practical hardware layer. Its purpose is to ensure extreme temporal precision.
Mechanism
This involves specialized network hardware, such as Network Interface Cards (NICs) or switches, that apply timestamps with sub-microsecond accuracy as data enters or exits the physical network wire. These timestamps are independent of operating system clock variations.
Methodology
The strategic objective is to provide an unambiguous, auditable record of message latency and order of arrival, critical for high-frequency trading and regulatory compliance. This methodology eliminates clock drift discrepancies, enhancing fairness and transparency in ultra-low-latency crypto trading systems.
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