<s>
Chaosnet	B-General_Concept
is	O
a	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
technology	O
.	O
</s>
<s>
The	O
more	O
widespread	O
was	O
a	O
set	O
of	O
computer	O
communication	O
packet-based	O
protocols	O
intended	O
to	O
connect	O
the	O
then-recently	O
developed	O
and	O
very	O
popular	O
(	O
within	O
MIT	O
)	O
Lisp	B-Operating_System
machines	I-Operating_System
;	O
the	O
second	O
was	O
one	O
of	O
the	O
earliest	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
(	O
LAN	B-General_Concept
)	O
hardware	O
implementations	O
.	O
</s>
<s>
The	O
Chaosnet	B-General_Concept
protocol	O
originally	O
used	O
an	O
implementation	O
over	O
CATV	B-Protocol
coaxial	O
cable	O
modeled	O
on	O
the	O
early	O
Xerox	O
PARC	O
Ethernet	O
,	O
the	O
early	O
ARPANET	O
,	O
and	O
Transmission	B-Protocol
Control	I-Protocol
Protocol	I-Protocol
(	O
TCP	O
)	O
.	O
</s>
<s>
Chaosnet	B-General_Concept
's	O
network	O
topology	O
was	O
usually	O
series	O
of	O
linear	O
(	O
not	O
circular	O
)	O
cables	O
,	O
each	O
up	O
to	O
a	O
maximum	O
of	O
a	O
kilometer	O
and	O
roughly	O
12	O
clients	O
.	O
</s>
<s>
The	O
individual	O
segments	O
were	O
interconnected	O
by	O
"	O
bridges	O
"	O
(	O
much	O
in	O
the	O
ARPANET	O
mold	O
)	O
,	O
generally	O
older	O
computers	O
like	O
PDP-11s	B-Device
with	O
two	O
network	O
interfaces	O
.	O
</s>
<s>
Chaosnet	B-General_Concept
was	O
specifically	O
for	O
LANs	B-General_Concept
;	O
features	O
to	O
support	O
WANs	O
were	O
left	O
out	O
for	O
the	O
sake	O
of	O
simplicity	O
.	O
</s>
<s>
Chaosnet	B-General_Concept
can	O
be	O
regarded	O
as	O
a	O
contemporary	O
of	O
both	O
the	O
PUP	B-Protocol
protocols	O
invented	O
by	O
PARC	O
,	O
and	O
the	O
Internet	B-Protocol
Protocol	I-Protocol
(	O
IP	O
)	O
,	O
and	O
was	O
recognized	O
as	O
one	O
of	O
the	O
other	O
network	O
classes	O
(	O
other	O
than	O
"	O
IN	O
"	O
and	O
"	O
HS	O
"	O
)	O
in	O
the	O
Domain	B-Protocol
Name	I-Protocol
System	I-Protocol
.	O
</s>
<s>
BIND	B-Protocol
uses	O
a	O
built-in	O
pseudo-top-level-domain	O
in	O
the	O
"	O
CHAOS	O
class	O
"	O
for	O
retrieving	O
information	O
about	O
a	O
running	O
DNS	B-Protocol
server	O
.	O
</s>
<s>
The	O
Chaosnet	B-General_Concept
protocol	O
identifies	O
hosts	O
by	O
16-bit	O
addresses	O
,	O
8	O
bits	O
of	O
which	O
identify	O
the	O
subnet	O
,	O
8	O
bits	O
of	O
which	O
identify	O
the	O
host	O
within	O
the	O
subnet	O
.	O
</s>
<s>
Chaosnet	B-General_Concept
also	O
supported	O
"	O
BRD	O
"	O
broadcast	O
packets	O
to	O
multiple	O
subnets	O
.	O
</s>
<s>
"	O
FILE	O
"	O
was	O
a	O
contact	O
name	O
for	O
the	O
Lisp	B-Operating_System
Machine	I-Operating_System
network	O
file	O
service	O
.	O
</s>
<s>
"	O
DOVER	O
"	O
was	O
the	O
contact	O
name	O
for	O
sending	O
print	O
jobs	O
to	O
Chaosnet	B-General_Concept
hosts	O
with	O
a	O
Xerox	O
Dover	O
printer	O
attached	O
(	O
an	O
early	O
laser	O
printer	O
)	O
.	O
</s>
<s>
In	O
ITS	B-Application
,	O
a	O
new	O
server	O
for	O
that	O
protocol	O
could	O
be	O
installed	O
by	O
creating	O
a	O
link	O
to	O
the	O
program	O
in	O
the	O
location	O
DSK:DEVICE	O
;	O
CHAOS	O
<cname> where <cname>	O
was	O
up	O
to	O
six	O
letters	O
of	O
the	O
contact	O
name	O
.	O
</s>
<s>
The	O
original	O
GNU	B-Application
Manifesto	I-Application
mentioned	O
that	O
it	O
aimed	O
to	O
,	O
among	O
other	O
things	O
,	O
support	O
the	O
Chaosnet	B-General_Concept
protocol	O
.	O
</s>
<s>
Symbolics	O
,	O
a	O
maker	O
of	O
the	O
Lisp	B-Operating_System
machines	I-Operating_System
,	O
licensed	O
the	O
MIT	O
Chaosnet	B-General_Concept
hardware	O
and	O
software	O
implementation	O
from	O
the	O
CADR	B-Operating_System
computer	O
design	O
.	O
</s>
