WWPN (World Wide Port Name)

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WWPN (World Wide Port Name)

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Definition

In computing, a World Wide Port Name, WWPN, or WWpN, is a World Wide Name assigned to a port in a Fibre Channel fabric. Used on storage area networks, it performs a function equivalent to the MAC address in Ethernet protocol, as it is supposed to be a unique identifier in the network.

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References

1. Wikipedia: https://en.wikipedia.org/wiki/World_Wide_Port_Name
2. IBM: https://www.ibm.com/docs/en/flashsystem-7x00/8.2.x?topic=overview-worldwide-node-port-names

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