logical address

This term is defined in ECSS-E-ST-50-12C as
data character at the start of a packet, which identifies the destination for the packet

This term is defined in ECSS-E-ST-50-51C as
identifier of a initiator or target which can be used to route a Packet to the target or, if path addressing is being used, to confirm that the final target is the correct one i.e. that the logical address of the target matches the logical address in the packet