<s>
In	O
computing	O
,	O
a	O
World	B-Architecture
Wide	I-Architecture
Port	I-Architecture
Name	I-Architecture
,	O
WWPN	O
,	O
or	O
WWpN	O
,	O
is	O
a	O
World	O
Wide	O
Name	O
assigned	O
to	O
a	O
port	O
in	O
a	O
Fibre	B-Architecture
Channel	I-Architecture
fabric	I-Architecture
.	O
</s>
<s>
A	O
WWPN	O
is	O
a	O
World	B-Architecture
Wide	I-Architecture
Port	I-Architecture
Name	I-Architecture
;	O
a	O
unique	O
identifier	O
for	O
each	O
Fibre	O
Channel	O
port	O
presented	O
to	O
a	O
Storage	O
Area	O
Network	O
(	O
SAN	O
)	O
.	O
</s>
<s>
A	O
World	B-Architecture
Wide	I-Architecture
Node	I-Architecture
Name	I-Architecture
,	O
WWNN	O
,	O
or	O
WWnN	O
,	O
is	O
a	O
World	O
Wide	O
Name	O
assigned	O
to	O
a	O
node	O
(	O
an	O
endpoint	O
,	O
a	O
device	O
)	O
in	O
a	O
Fibre	B-Architecture
Channel	I-Architecture
fabric	I-Architecture
.	O
</s>
