In-network congestion marking for synchronization packets enables better delay filtering, improving clock offset accuracy by 80%+ in hardware and 30-80% in multi-hop scenarios without protocol changes.
Performance of a full-hardware ptp implementation for an iec 62439-3 redundant iec 61850 substation automation network
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Improving Network Clock Synchronization by Marking Congestion
In-network congestion marking for synchronization packets enables better delay filtering, improving clock offset accuracy by 80%+ in hardware and 30-80% in multi-hop scenarios without protocol changes.