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Ethernet Precision Time Protocol (PTP) and Parallel Redundancy Protocol(PRP)

Hi,

For my new project I am designing an Ethernet switch card. For that there is a requirement for PTP and PRP in the module. I am in serious confusion among these two protocols. I need to clarify whether PTP and PRP are purely software protocol or I need to choose an Ethernet switch IC which supports these two protocols. The confusion is whether PTP and PRP are hardware or software dependent.

Regards

Hafiz