<s>
Simple	B-Protocol
Loop	I-Protocol
Prevention	I-Protocol
Protocol	I-Protocol
(	O
SLPP	O
)	O
in	O
computer	B-Architecture
networking	I-Architecture
is	O
a	O
data	B-Protocol
link	I-Protocol
layer	I-Protocol
protocol	O
developed	O
by	O
Nortel	O
(	O
previously	O
acquired	O
by	O
Avaya	O
,	O
now	O
a	O
part	O
of	O
Extreme	O
Networks	O
)	O
to	O
protect	O
against	O
Layer	B-Protocol
2	I-Protocol
network	O
loops	O
.	O
</s>
