<s>
Virtual	B-Protocol
LACP	I-Protocol
(	O
VLACP	B-Protocol
)	O
is	O
an	O
Avaya	O
extension	O
of	O
the	O
Link	B-Architecture
Aggregation	I-Architecture
Control	O
Protocol	O
to	O
provide	O
a	O
Layer	O
2	O
handshaking	O
protocol	O
which	O
can	O
detect	O
end-to-end	O
failure	O
between	O
two	O
physical	O
Ethernet	O
interfaces	O
.	O
</s>
<s>
With	O
VLACP	B-Protocol
,	O
far-end	O
failures	O
can	O
be	O
detected	O
,	O
which	O
allows	O
a	O
Link	B-Architecture
aggregation	I-Architecture
trunk	O
to	O
fail	O
over	O
properly	O
when	O
end-to-end	O
connectivity	O
is	O
not	O
guaranteed	O
for	O
certain	O
links	O
through	O
the	O
internet	O
in	O
an	O
aggregation	O
group	O
.	O
</s>
