<s>
An	O
adaptive	O
switch	O
is	O
a	O
network	B-Protocol
switch	I-Protocol
designed	O
to	O
normally	O
operate	O
in	O
cut-through	B-Protocol
mode	I-Protocol
but	O
if	O
a	O
port	B-Protocol
's	O
error	O
rate	O
jumps	O
too	O
high	O
,	O
the	O
switch	O
automatically	O
reconfigures	O
the	O
port	B-Protocol
to	O
run	O
in	O
store-and-forward	B-Protocol
mode	O
.	O
</s>
<s>
This	O
optimizes	O
the	O
switch	O
's	O
performance	O
by	O
providing	O
higher	O
speed	O
cut-through	B-Protocol
switching	I-Protocol
if	O
error	O
rates	O
are	O
low	O
but	O
higher	O
throughput	O
store-and-forward	B-Protocol
switching	O
when	O
error	O
rates	O
are	O
high	O
.	O
</s>
<s>
Adaptive	B-Device
switching	I-Device
is	O
typically	O
done	O
on	O
a	O
port-by-port	O
basis	O
.	O
</s>
