<s>
A	O
star	B-Architecture
network	I-Architecture
is	O
an	O
implementation	O
of	O
a	O
spoke	O
–	O
hub	O
distribution	O
paadigm	O
in	O
coputer	O
networks	O
.	O
</s>
<s>
In	O
a	O
star	B-Architecture
network	I-Architecture
,	O
every	O
host	B-Device
is	O
connected	O
o	O
a	O
central	O
hub	O
.	O
</s>
<s>
The	O
star	B-Architecture
network	I-Architecture
is	O
one	O
of	O
the	O
most	O
common	O
computer	B-Architecture
network	I-Architecture
topologies	I-Architecture
.	O
</s>
<s>
The	O
hub	O
and	O
hosts	O
,	O
and	O
the	O
transmission	O
lines	O
between	O
them	O
,	O
forma	O
graph	O
with	O
the	O
topology	B-Architecture
of	O
a	O
star	O
.	O
</s>
<s>
Data	O
on	O
a	O
star	B-Architecture
network	I-Architecture
passes	O
through	O
the	O
hub	O
before	O
continuing	O
to	O
its	O
destination	O
.	O
</s>
<s>
The	O
star	B-Architecture
topology	I-Architecture
reduces	O
the	O
impact	O
of	O
a	O
transmission	O
line	O
failure	O
by	O
independently	O
connecting	O
each	O
hostto	O
the	O
hub	O
.	O
</s>
<s>
Each	O
host	B-Device
may	O
thus	O
communicate	O
with	O
all	O
others	O
by	O
transmitting	O
to	O
,	O
and	O
receiving	O
from	O
,	O
the	O
hub	O
.	O
</s>
<s>
The	O
failure	O
of	O
a	O
transmission	O
line	O
linking	O
any	O
host	B-Device
to	O
the	O
hub	O
will	O
result	O
in	O
the	O
isolation	O
of	O
that	O
host	B-Device
from	O
all	O
others	O
,	O
but	O
the	O
rest	O
of	O
the	O
network	O
will	O
be	O
unaffected	O
.	O
</s>
<s>
The	O
star	O
configuration	O
is	O
commonly	O
used	O
with	O
twisted	O
pair	O
cable	O
and	O
optical	B-Architecture
fiber	I-Architecture
cable	O
.	O
</s>
