Different between a port address, a logical address, and a physical address?

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Logical address
Port address
What is the difference between a port address, a logical address, and a physical address? Thank you very much.

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A physical address is an address in a network card.

A logical address is an address similar but its like the information you would use to get to a physical address.

Here is an example. A physical address is like your hard drive to your computer. A logical address is like a file on the server,, with information or instructions that lead to it.

A port address is an address assigned by the CPU (0-FFFF) that can be accessed for i/o read/write like RAM.

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Consider this analogy:

Physical address – GPS coordinates: longitude / latitude; native assignment like MAC address (although this can be spoofed/changed)
Logical address – street address: 123 Main Street; manually assigned like IP address
Port address – name of person in the house; service or application running – see IANA for a list of ports/services

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