<s>
This	O
is	O
a	O
list	O
of	O
protocol	B-Protocol
stack	I-Protocol
architectures	O
.	O
</s>
<s>
A	O
protocol	B-Protocol
stack	I-Protocol
is	O
a	O
suite	O
of	O
complementary	O
communications	O
protocols	O
in	O
a	O
computer	B-Architecture
network	I-Architecture
or	O
a	O
computer	B-General_Concept
bus	I-General_Concept
system	O
.	O
</s>
