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world wide port name (WWPN)

In Fibre Channel, each FC port is identified by a globally unique port address, the World Wide Port Name (WWPN). The WWPN is a 64-bit address that can be assigned by different authorization instances. Fibre Channel uses the Network Address Authority (NAA) to distinguish these authorized instances, which are entered in a 4-bit long data field.

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Englisch: world wide port name - WWPN
Updated at: 04.03.2008
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