This is the u16 ID for each device on the UDS network. NodeID 0xFFFF is a broadcast alias.
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This is the u16 ID for each device on the UDS network. NodeID 0xFFFF is a broadcast alias. When spectators are allowed, NodeID value 0x1 is used for spectators, then 0x2 for the host and 0x3 for the first actual client. Otherwise, the NodeID values start at 0x1 for the host followed by the clients.