<s>
Local	B-General_Concept
Area	I-General_Concept
Transport	I-General_Concept
(	O
LAT	O
)	O
is	O
a	O
non-routable	O
(	O
data	B-Protocol
link	I-Protocol
layer	I-Protocol
)	O
networking	O
technology	O
developed	O
by	O
Digital	O
Equipment	O
Corporation	O
to	O
provide	O
connection	O
between	O
the	O
DECserver	B-Device
terminal	B-Device
servers	I-Device
and	O
Digital	O
's	O
VAX	B-Device
and	O
Alpha	B-Device
and	O
MIPS	O
host	O
computers	O
via	O
Ethernet	O
,	O
giving	O
communication	O
between	O
those	O
hosts	O
and	O
serial	O
devices	O
such	O
as	O
video	B-General_Concept
terminals	I-General_Concept
and	O
printers	O
.	O
</s>
<s>
Over	O
time	O
,	O
other	O
host	O
implementations	O
of	O
the	O
LAT	B-General_Concept
protocol	I-General_Concept
appeared	O
allowing	O
communications	O
to	O
a	O
wide	O
range	O
of	O
Unix	B-Application
and	O
other	O
non-Digital	O
operating	O
systems	O
using	O
the	O
LAT	B-General_Concept
protocol	I-General_Concept
.	O
</s>
<s>
In	O
1984	O
,	O
the	O
first	O
implementation	O
of	O
the	O
LAT	B-General_Concept
protocol	I-General_Concept
connected	O
a	O
terminal	B-Device
server	I-Device
to	O
a	O
VMS	B-Operating_System
VAX-Cluster	B-Operating_System
in	O
Spit	O
Brook	O
Road	O
,	O
Nashua	O
,	O
NH	O
.	O
</s>
<s>
Additionally	O
,	O
a	O
single	O
physical	B-General_Concept
terminal	I-General_Concept
could	O
connect	O
via	O
multiple	O
sessions	O
to	O
multiple	O
hosts	O
simultaneously	O
.	O
</s>
<s>
Future	O
generations	O
of	O
terminal	B-Device
servers	I-Device
included	O
both	O
LAT	O
and	O
TELNET	B-Protocol
protocols	O
,	O
one	O
of	O
the	O
earliest	O
protocols	O
created	O
to	O
run	O
on	O
a	O
burgeoning	O
TCP/IP	B-Protocol
based	O
Internet	O
.	O
</s>
<s>
UNIX	B-Application
Host	O
TTYS1	O
operator	O
ports	O
)	O
created	O
an	O
entirely	O
new	O
market	O
for	O
Terminal	B-Device
Servers	I-Device
,	O
now	O
known	O
as	O
console	B-Device
servers	I-Device
in	O
the	O
mid	O
to	O
late	O
1990s	O
,	O
year	O
2000	O
and	O
beyond	O
through	O
today	O
.	O
</s>
<s>
LAT	O
and	O
VMS	B-Operating_System
drove	O
the	O
initial	O
surge	O
of	O
adoption	O
of	O
"	O
thick-wire	O
"	O
Ethernet	O
by	O
the	O
computer	O
industry	O
.	O
</s>
<s>
By	O
1986	O
,	O
terminal	B-Device
server	I-Device
networks	O
accounted	O
for	O
10%	O
of	O
Digital	O
's	O
$10	O
billion	O
revenue	O
.	O
</s>
<s>
These	O
early	O
Ethernet	O
LANs	B-General_Concept
scaled	O
using	O
Ethernet	O
bridges	O
(	O
another	O
DEC	O
invention	O
)	O
as	O
well	O
as	O
DECnet	B-Protocol
routers	O
.	O
</s>
<s>
Subsequently	O
,	O
Cisco	O
routers	O
,	O
which	O
implemented	O
TCP-IP	B-Protocol
and	O
DECnet	B-Protocol
,	O
emerged	O
as	O
a	O
global	O
connection	O
between	O
these	O
packet-based	O
Ethernet	O
LANs	B-General_Concept
.	O
</s>
<s>
Over	O
time	O
,	O
when	O
terminals	O
became	O
less	O
popular	O
,	O
terminal	B-Application
emulators	I-Application
had	O
a	O
built-in	O
LAT	O
client	O
.	O
</s>
<s>
Digital	O
Equipment	O
Corporation	O
-	O
primarily	O
via	O
their	O
DECserver	B-Device
systems	O
.	O
</s>
<s>
Able	O
Computer	O
-	O
An	O
early	O
provider	O
of	O
Terminal	B-Device
Server	I-Device
products	O
.	O
</s>
<s>
Chase	B-Device
Research	I-Device
-	O
A	O
Europe-based	O
early	O
provider	O
of	O
Terminal	B-Device
Server	I-Device
products	O
.	O
</s>
<s>
Cisco	O
Systems	O
-	O
Provided	O
LAT	O
on	O
Terminal	B-Device
Servers	I-Device
as	O
early	O
as	O
1990	O
.	O
</s>
<s>
Emulex	O
Corporation	O
-	O
A	O
California-based	O
early	O
provider	O
of	O
Terminal	B-Device
Server	I-Device
products	O
that	O
included	O
X.25	O
and	O
3270	O
features	O
;	O
they	O
sold	O
through	O
Datability	O
and	O
other	O
OEMs	O
.	O
</s>
<s>
Hughes	O
LAN	B-General_Concept
Systems	O
-	O
Provided	O
LAT	O
capability	O
in	O
1989	O
.	O
</s>
<s>
Xyplex	O
Corporation	O
-	O
An	O
early	O
provider	O
of	O
Terminal	B-Device
Server	I-Device
products	O
based	O
in	O
Massachusetts	O
.	O
</s>
<s>
Most	O
Linux	B-Application
distributions	I-Application
offer	O
a	O
client	O
and	O
server	O
lat	O
package	O
,	O
that	O
can	O
easily	O
be	O
installed	O
via	O
a	O
package	B-Application
manager	I-Application
.	O
</s>
<s>
to	O
access	O
a	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
server	O
while	O
being	O
connected	O
to	O
a	O
corporate	O
VPN	O
network	O
that	O
would	O
otherwise	O
block	O
local	O
TCP/IP	B-Protocol
traffic	O
.	O
</s>
