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SMPTE 2022-7 is the standard for Seamless Protection an switching of ST2022 IP datagrams.

The standard defines a method for recieving and switching between two identical streams of packets, using the RTP sequence number for allignment from RTP sequence header (streams typically sent/recieved across different paths). The receiver automatically picks the best packet from either path and provides protection such that any single packet can be lost from either path.