<s>
FCAN	B-Operating_System
(	O
Flash	B-Operating_System
Crowds	I-Operating_System
Alleviation	I-Operating_System
Network	I-Operating_System
)	O
is	O
an	O
adaptive	O
Content	B-Operating_System
Delivery	I-Operating_System
Network	I-Operating_System
that	O
dynamically	O
optimizes	O
the	O
system	O
structure	O
between	O
peer-to-peer	O
(	O
P2P	O
)	O
and	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
configurations	O
as	O
a	O
possible	O
way	O
to	O
alleviate	O
flash	B-General_Concept
crowds	I-General_Concept
effect	I-General_Concept
.	O
</s>
<s>
FCAN	B-Operating_System
constructs	O
P2P	O
overlay	O
on	O
cache	O
proxy	O
layer	O
to	O
distribute	O
the	O
flash	O
traffic	O
from	O
origin	O
web	O
server	O
.	O
</s>
<s>
While	O
FCAN	B-Operating_System
has	O
been	O
the	O
subject	O
of	O
some	O
research	O
,	O
there	O
are	O
no	O
widespread	O
deployments	O
.	O
</s>
