<s>
Binn	B-Protocol
is	O
a	O
computer	O
data	B-Application
serialization	I-Application
format	I-Application
used	O
mainly	O
for	O
application	O
data	B-Architecture
transfer	I-Architecture
.	O
</s>
<s>
It	O
stores	O
primitive	O
data	O
types	O
and	O
data	B-General_Concept
structures	I-General_Concept
in	O
a	O
binary	O
form	O
.	O
</s>
<s>
The	O
Binn	B-Protocol
format	O
is	O
designed	O
to	O
be	O
compact	O
and	O
fast	O
on	O
readings	O
.	O
</s>
<s>
The	O
strings	O
are	O
null	O
terminated	O
so	O
when	O
read	O
the	O
library	O
returns	O
a	O
pointer	O
to	O
them	O
inside	O
the	O
buffer	O
,	O
avoiding	O
memory	B-General_Concept
allocation	I-General_Concept
and	O
data	O
copying	O
,	O
an	O
operation	O
known	O
as	O
zero-copy	O
.	O
</s>
<s>
Binn	B-Protocol
structures	O
consist	O
of	O
a	O
list	O
of	O
elements	O
.	O
</s>
<s>
A	O
JSON	B-General_Concept
data	O
such	O
as	O
 { "hello":"world" } 	O
is	O
serialized	O
in	O
binn	B-Protocol
with	O
the	O
same	O
size	O
:	O
</s>
