<s>
RelayNet	B-Protocol
was	O
an	O
e-mail	O
exchange	O
network	B-Architecture
used	O
by	O
PCBoard	B-Protocol
bulletin	B-Application
board	I-Application
systems	I-Application
(	O
BBS	O
's	O
)	O
.	O
</s>
<s>
By	O
1990	O
,	O
RelayNet	B-Protocol
comprised	O
more	O
than	O
200	O
bulletin	B-Application
board	I-Application
systems	I-Application
.	O
</s>
<s>
BBS	O
's	O
on	O
RelayNet	B-Protocol
communicated	O
via	O
a	O
communications	O
protocol	O
called	O
RIME	O
(	O
RelayNet	B-Protocol
International	O
Mail	O
Exchange	O
)	O
.	O
</s>
<s>
RelayNet	B-Protocol
was	O
similar	O
to	O
FidoNet	O
in	O
purpose	O
and	O
technology	O
,	O
although	O
it	O
used	O
names	O
for	O
its	O
nodes	O
instead	O
of	O
Fido	O
's	O
numeric	O
address	O
pairs	O
.	O
</s>
<s>
Due	O
to	O
it	O
being	O
limited	O
to	O
PCBoard	B-Protocol
,	O
it	O
carried	O
a	O
much	O
smaller	O
amount	O
of	O
traffic	O
than	O
Fido	O
.	O
</s>
<s>
PCBoard	B-Protocol
,	O
created	O
by	O
Clark	B-Protocol
Development	I-Protocol
Corporation	O
(	O
CDC	O
)	O
in	O
Salt	O
Lake	O
City	O
,	O
Utah	O
,	O
was	O
always	O
a	O
"	O
premium	O
"	O
BBS	O
system	O
and	O
fairly	O
expensive	O
.	O
</s>
<s>
For	O
this	O
reason	O
it	O
was	O
limited	O
mostly	O
to	O
larger	O
multi-line	O
BBS	O
systems	O
,	O
where	O
it	O
was	O
particularly	O
well	O
liked	O
due	O
to	O
its	O
"	O
nice	O
"	O
behaviour	O
on	O
the	O
network	B-Architecture
when	O
running	O
off	O
a	O
common	O
file	B-Application
server	I-Application
.	O
</s>
<s>
However	O
this	O
also	O
meant	O
that	O
the	O
PCBoard	B-Protocol
market	O
generally	O
consisted	O
of	O
a	O
small	O
number	O
of	O
large	O
systems	O
,	O
as	O
opposed	O
to	O
a	O
large	O
number	O
of	O
small	O
ones	O
,	O
hence	O
RIME	O
had	O
usually	O
only	O
a	O
few	O
hundred	O
member	O
boards	O
.	O
</s>
<s>
Thus	O
RelayNet	B-Protocol
,	O
which	O
originally	O
ran	O
only	O
on	O
PCBoard	B-Protocol
,	O
did	O
not	O
have	O
the	O
same	O
level	O
of	O
infrastructure	O
as	O
FidoNet	O
,	O
and	O
did	O
n't	O
build	O
the	O
sort	O
of	O
global	O
organizational	O
structure	O
that	O
FidoNet	O
needed	O
.	O
</s>
<s>
Instead	O
,	O
RelayNet	B-Protocol
evolved	O
as	O
a	O
series	O
of	O
smaller	O
regional	O
networks	O
,	O
including	O
the	O
NANET	B-Protocol
hosted	O
by	O
Canada	O
Remote	O
Systems	O
,	O
RoseNet	O
hosted	O
by	O
their	O
competitors	O
Rose	O
Media	O
,	O
QuebecNet	O
,	O
FINET	O
,	O
Smartnet	O
,	O
Intelec	O
,	O
ILink	O
,	O
U'NI-net	O
,	O
Friendsnet	O
and	O
others	O
.	O
</s>
<s>
RelayNet	B-Protocol
software	O
later	O
appeared	O
for	O
a	O
variety	O
of	O
other	O
BBS	O
systems	O
,	O
including	O
RBBS	O
,	O
GAP	O
,	O
EIS	O
,	O
QBBS	B-Protocol
and	O
Wildcat	B-Protocol
!	I-Protocol
</s>
<s>
BBS	O
,	O
but	O
these	O
systems	O
also	O
provided	O
excellent	O
FidoNet	O
support	O
and	O
RelayNet	B-Protocol
was	O
never	O
popular	O
on	O
anything	O
other	O
than	O
PCBoard	B-Protocol
and	O
its	O
close	O
competitor	O
,	O
RBBS-PC	B-Protocol
.	O
</s>
<s>
On	O
August	O
1	O
,	O
2007	O
,	O
Don	O
Barba	O
,	O
owner	O
since	O
the	O
late	O
1990s	O
of	O
the	O
RIME	O
network	B-Architecture
,	O
its	O
software	O
,	O
and	O
since	O
the	O
late	O
1980s	O
of	O
Moondog	O
,	O
its	O
central	O
BBS	O
in	O
Brooklyn	O
,	O
New	O
York	O
,	O
announced	O
that	O
all	O
would	O
close	O
on	O
August	O
15	O
.	O
</s>
