<s>
A	O
number	O
of	O
tools	O
exist	O
to	O
generate	O
computer	B-Application
network	I-Application
diagrams	I-Application
.	O
</s>
<s>
Broadly	O
,	O
there	O
are	O
three	O
types	O
of	O
tools	O
that	O
help	O
create	O
network	B-Architecture
maps	I-Architecture
and	O
diagrams	O
:	O
</s>
<s>
Network	B-Architecture
mapping	I-Architecture
and	O
drawing	B-Application
software	I-Application
support	O
IT	O
systems	O
managers	O
to	O
understand	O
the	O
hardware	B-Architecture
and	O
software	O
services	O
on	O
a	O
network	O
and	O
how	O
they	O
are	O
interconnected	O
.	O
</s>
<s>
Network	B-Architecture
maps	I-Architecture
and	O
diagrams	O
are	O
a	O
component	O
of	O
network	O
documentation	O
.	O
</s>
<s>
Automatically	O
scanning	O
the	O
network	O
using	O
SNMP	B-Protocol
,	O
WMI	B-Library
,	O
etc	O
.	O
</s>
