<s>
In	O
the	O
context	O
of	O
wavelength-division	B-Architecture
multiplexing	I-Architecture
,	O
an	O
alien	B-Protocol
wavelength	I-Protocol
is	O
a	O
"	O
colored	O
"	O
optical	O
signal	O
that	O
is	O
originated	O
from	O
equipment	O
not	O
under	O
the	O
direct	O
control	O
of	O
the	O
transmission	O
network	O
operator	O
.	O
</s>
<s>
Alien	O
Wave	O
transport	O
involves	O
transparent	O
transmission	O
of	O
colored	O
optical	B-Architecture
channels	I-Architecture
over	O
pre-existing	O
third-party	O
physical	O
infrastructure	O
.	O
</s>
<s>
In	O
other	O
words	O
,	O
Alien	O
Wave	O
transport	O
implies	O
an	O
innovative	O
spectrum	B-Algorithm
utilization	I-Algorithm
arrangement	O
between	O
an	O
optical	O
infrastructure	O
owner	O
and	O
a	O
bandwidth	O
crippled	O
customer	O
.	O
</s>
<s>
A	O
practical	O
example	O
of	O
an	O
Alien	O
Wave	O
implementation	O
is	O
one	O
where	O
network	O
resources	O
owned	O
by	O
one	O
carrier	O
are	O
being	O
utilized	O
to	O
transport	O
optical	B-Architecture
channels	I-Architecture
that	O
are	O
in	O
the	O
control	O
of	O
a	O
secondary	O
carrier	O
.	O
</s>
