<s>
RELOAD	O
is	O
designed	O
to	O
support	O
a	O
peer-to-peer	B-Protocol
SIP	I-Protocol
network	O
,	O
but	O
can	O
be	O
utilized	O
by	O
other	O
applications	O
with	O
similar	O
requirements	O
by	O
defining	O
new	O
usages	O
that	O
specify	O
the	O
kinds	O
of	O
data	O
that	O
must	O
be	O
stored	O
for	O
a	O
particular	O
application	O
.	O
</s>
<s>
NAT	B-Protocol
traversal	I-Protocol
is	O
a	O
fundamental	O
service	O
of	O
the	O
protocol	O
.	O
</s>
