<s>
Remote	B-Protocol
job	I-Protocol
entry	I-Protocol
is	O
the	O
procedure	O
for	O
sending	O
requests	O
for	O
non-interactive	O
data	B-General_Concept
processing	I-General_Concept
tasks	O
(	O
jobs	B-General_Concept
)	O
to	O
mainframe	B-Architecture
computers	I-Architecture
from	O
remote	O
workstations	B-Device
,	O
and	O
by	O
extension	O
the	O
process	O
of	O
receiving	O
the	O
output	O
from	O
such	O
jobs	B-General_Concept
at	O
a	O
remote	O
workstation	B-Device
.	O
</s>
<s>
The	O
RJE	B-Protocol
workstation	B-Device
is	O
called	O
a	O
remote	O
because	O
it	O
usually	O
is	O
located	O
some	O
distance	O
from	O
the	O
host	O
computer	O
.	O
</s>
<s>
The	O
workstation	B-Device
connects	O
to	O
the	O
host	O
through	O
a	O
modem	B-Application
,	O
digital	O
link	O
,	O
packet-switching	O
network	O
or	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
(	O
LAN	B-General_Concept
)	O
.	O
</s>
<s>
RJE	B-Protocol
is	O
similar	O
to	O
uux	O
and	O
SSH	B-Protocol
,	O
except	O
that	O
the	O
workstation	B-Device
sends	O
a	O
complete	O
job	B-Application
stream	I-Application
rather	O
than	O
a	O
single	O
command	O
and	O
that	O
the	O
user	O
does	O
not	O
receive	O
any	O
output	O
until	O
the	O
completion	O
of	O
the	O
job	O
..	O
</s>
<s>
The	O
terms	O
Remote	B-Protocol
Batch	I-Protocol
,	O
Remote	O
Job	O
System	O
and	O
Remote	B-Protocol
Job	I-Protocol
Processing	I-Protocol
are	O
also	O
used	O
for	O
RJE	B-Protocol
facilities	O
.	O
</s>
<s>
Remote	B-Protocol
Job	I-Protocol
Entry	I-Protocol
(	O
RJE	B-Protocol
)	O
is	O
also	O
the	O
name	O
of	O
an	O
OS/360	B-Application
component	O
that	O
provided	O
RJE	B-Protocol
services	O
.	O
</s>
<s>
An	O
RJE	B-Protocol
workstation	B-Device
operator	O
may	O
have	O
complete	O
console	O
control	O
of	O
the	O
job	O
flow	O
between	O
the	O
workstation	B-Device
and	O
mainframe	B-Architecture
,	O
depending	O
on	O
local	O
configuration	O
and	O
policy	O
.	O
</s>
<s>
Houston	B-Application
Automatic	I-Application
Spooling	I-Application
Priority	I-Application
(	O
HASP	B-Application
)	O
initially	O
supported	O
job	O
entry	O
from	O
terminals	O
using	O
Synchronous	B-Protocol
transmit-receive	I-Protocol
(	O
STR	B-Protocol
)	O
;	O
eventually	O
HASP	B-Application
II	O
supported	O
only	O
Binary	B-Protocol
Synchronous	I-Protocol
Communications	I-Protocol
(	O
BSC	O
)	O
,	O
and	O
added	O
the	O
Multi-leaving	O
protocol	O
for	O
BSC	O
programmable	O
work	O
stations	O
;	O
this	O
protocol	O
is	O
incompatible	O
with	O
that	O
used	O
by	O
OS/360	B-Application
RJE	B-Protocol
and	O
is	O
the	O
basis	O
for	O
protocols	O
used	O
for	O
job	O
submission	O
from	O
programmable	O
work	O
stations	O
for	O
,	O
e.g.	O
,	O
Attached	B-Operating_System
Support	I-Operating_System
Processor	I-Operating_System
(	O
ASP	O
)	O
,	O
JES2	B-Application
,	O
JES3	B-Application
,	O
OS/VS1	B-Application
Remote	O
Entry	O
Services	O
(	O
RES	O
)	O
,	O
VM	B-Application
RSCS	B-Application
,	O
as	O
well	O
as	O
the	O
later	O
protocols	O
for	O
Network	O
Job	O
Entry	O
(	O
NJE	O
)	O
in	O
,	O
e.g.	O
,	O
JES2	B-Application
,	O
JES3	B-Application
,	O
VM	B-Application
RSCS	B-Application
.	O
</s>
<s>
Conversational	O
Remote	B-Protocol
Job	I-Protocol
Entry	I-Protocol
(	O
CRJE	O
)	O
is	O
a	O
component	O
of	O
OS/360	B-Application
and	O
OS/VS1	B-Application
that	O
provides	O
job	O
submission	O
,	O
job	O
retrieval	O
and	O
editing	O
for	O
a	O
user	O
at	O
an	O
interactive	O
terminal	O
.	O
</s>
<s>
Remote	O
Entry	O
Services ]	O
(	O
RES	O
)	O
is	O
a	O
component	O
of	O
OS/VS1	B-Application
that	O
provides	O
RJE	B-Protocol
services	O
.	O
</s>
<s>
An	O
RES	O
workstation	B-Device
operator	O
may	O
have	O
complete	O
console	O
control	O
of	O
the	O
job	O
flow	O
between	O
the	O
workstation	B-Device
and	O
mainframe	B-Architecture
,	O
depending	O
on	O
local	O
configuration	O
and	O
policy	O
.	O
</s>
<s>
Remote	B-Application
Spooling	I-Application
Communications	I-Application
Subsystem	I-Application
(	O
RSCS	B-Application
)	O
is	O
,	O
depending	O
on	O
the	O
release	O
,	O
a	O
component	O
of	O
or	O
extra	O
cost	O
product	O
in	O
VM	B-Application
that	O
provides	O
RJE	B-Protocol
services	O
.	O
</s>
<s>
The	O
RSCS	B-Application
in	O
the	O
free	O
VM/370	B-Application
only	O
supported	O
BSC	O
;	O
IBM	O
added	O
support	O
for	O
Systems	B-Architecture
Network	I-Architecture
Architecture	I-Architecture
(	O
SNA	O
)	O
,	O
NJE	O
and	O
TCP/IP	B-Protocol
over	O
several	O
chargeable	O
versions	O
.	O
</s>
<s>
Network	O
Job	O
Entry	O
(	O
NJE	O
)	O
is	O
Store	B-Protocol
and	I-Protocol
forward	I-Protocol
networking	O
for	O
transmitting	O
,	O
e.g.	O
,	O
card	O
files	O
,	O
jobs	B-General_Concept
,	O
printed	O
output	O
,	O
among	O
peers	O
.	O
</s>
<s>
The	O
initial	O
versions	O
of	O
NJE	O
for	O
JES2	B-Application
,	O
JES3	B-Application
,	O
VSE	O
POWER	O
and	O
VM	B-Application
RSCS	B-Application
used	O
BSC	O
multileaving	O
,	O
but	O
IBM	O
quickly	O
added	O
support	O
for	O
Channel-to-channel	O
adapters	O
.	O
</s>
<s>
IBM	O
later	O
added	O
support	O
for	O
SNA	O
and	O
,	O
ultimately	O
,	O
TCP/IP	B-Protocol
.	O
</s>
<s>
NETRJS	B-Protocol
is	O
the	O
protocol	O
developed	O
by	O
the	O
Campus	O
Computing	O
Network	O
at	O
UCLA	O
to	O
deliver	O
batch	O
jobs	B-General_Concept
to	O
the	O
Remote	O
Job	O
Service	O
(	O
RJS	O
)	O
on	O
their	O
IBM	B-Application
360	I-Application
Model	I-Application
91	I-Application
.	O
</s>
<s>
This	O
protocol	O
was	O
originally	O
assigned	O
to	O
ARPANET	O
Initial	B-Protocol
Connection	I-Protocol
Protocol	I-Protocol
sockets	O
71	O
,	O
73	O
,	O
and	O
75	O
,	O
and	O
later	O
reassigned	O
to	O
Internet	B-Protocol
ports	O
71	O
–	O
74	O
.	O
</s>
<s>
RJS	O
is	O
a	O
subsystem	O
of	O
OS/360	B-Application
MVS	I-Application
written	O
by	O
UCLA	O
to	O
support	O
remote	B-Protocol
batch	I-Protocol
from	O
card-reader/printer	O
terminals	O
.	O
</s>
<s>
Early	O
RJE	B-Protocol
workstations	B-Device
were	O
"	O
dumb	O
"	O
(	O
non-programmable	O
)	O
devices	O
using	O
byte-synchronous	B-Protocol
communications	O
protocols	O
such	O
as	O
IBM	O
BISYNC	B-Protocol
or	O
STR	B-Protocol
,	O
or	O
equivalents	O
from	O
other	O
vendors	O
.	O
</s>
<s>
Later	O
,	O
programmable	O
devices	O
or	O
small	O
computers	O
were	O
used	O
,	O
and	O
IBM	O
developed	O
a	O
protocol	O
called	O
HASP	B-Application
multileaving	O
for	O
use	O
with	O
HASP	B-Application
,	O
and	O
later	O
,	O
e.g.	O
,	O
ASP	O
,	O
JES2	B-Application
,	O
JES3	B-Application
,	O
RSCS	B-Application
.	O
</s>
<s>
The	O
IBM	B-Device
System/360	I-Device
Model	I-Device
20	I-Device
and	O
1130	B-Device
,	O
the	O
Mohawk	O
Data	O
MDS	B-Device
2400	I-Device
and	O
the	O
UNIVAC	O
1004	O
,	O
were	O
popular	O
.	O
</s>
<s>
Later	O
still	O
RJE	B-Protocol
workstations	B-Device
switched	O
to	O
bit-oriented	O
full	O
duplex	O
protocols	O
such	O
as	O
IBM	O
Synchronous	B-Protocol
Data	I-Protocol
Link	I-Protocol
Control	I-Protocol
,	O
HDLC	O
,	O
or	O
X.25	B-Protocol
.	O
</s>
<s>
The	O
Internet	B-Protocol
Engineering	O
Task	O
Force	O
has	O
defined	O
RFCs	O
for	O
internet	B-Protocol
remote	B-Protocol
job	I-Protocol
entry	I-Protocol
protocols	O
,	O
but	O
they	O
are	O
now	O
considered	O
obsolete	O
or	O
legacy	B-Device
.	O
</s>
<s>
The	O
200	O
USER	O
Terminal	O
is	O
a	O
remote	B-Protocol
batch	I-Protocol
terminal	O
and	O
protocol	O
developed	O
by	O
the	O
Control	O
Data	O
Corporation	O
for	O
their	O
CDC	B-Device
6000	I-Device
series	I-Device
and	O
CDC	B-Device
3000	I-Device
series	I-Device
mainframe	B-Architecture
computers	I-Architecture
in	O
the	O
1960s	O
.	O
</s>
<s>
It	O
typically	O
communicated	O
with	O
a	O
remote	O
mainframe	B-Architecture
via	O
synchronous	O
modem	B-Application
.	O
</s>
<s>
The	O
software	O
subsystem	O
on	O
the	O
mainframe	B-Architecture
side	O
was	O
called	O
Export-Import	O
200	O
,	O
and	O
later	O
,	O
the	O
Remote	B-Protocol
Batch	I-Protocol
Facility	O
(	O
RBF	O
)	O
.	O
</s>
<s>
Other	O
remote	B-Protocol
batch	I-Protocol
terminals	O
using	O
the	O
UT200	O
protocol	O
included	O
the	O
CDC	O
731	O
,	O
732	O
,	O
and	O
734	O
.	O
</s>
<s>
RJE	B-Protocol
is	O
well	O
suited	O
to	O
organizations	O
that	O
had	O
a	O
single	O
large	O
central	O
computer	O
center	O
.	O
</s>
<s>
However	O
,	O
in	O
large	O
organizations	O
with	O
multiple	O
data	O
centers	O
,	O
there	O
was	O
an	O
interest	O
in	O
a	O
peer-to-peer	O
transfer	O
of	O
,	O
e.g.	O
,	O
submitted	O
jobs	B-General_Concept
,	O
printer	O
output	O
.	O
</s>
<s>
Following	O
customer	O
requests	O
,	O
IBM	O
developed	O
a	O
suite	O
of	O
facilities	O
,	O
derived	O
from	O
BITNET	B-General_Concept
and	O
VNET	B-General_Concept
,	O
known	O
as	O
Network	O
Job	O
Entry	O
.	O
</s>
<s>
As	O
part	O
of	O
that	O
software	O
,	O
IBM	O
provided	O
commands	O
to	O
transmit	O
datasets	B-Application
among	O
nodes	O
(	O
complexes	O
of	O
computers	O
with	O
a	O
collective	O
name	O
)	O
.	O
</s>
<s>
IBM	O
has	O
integrated	O
NJE	O
facilities	O
into	O
its	O
mainframe	B-Architecture
software	O
,	O
and	O
it	O
is	O
no	O
longer	O
available	O
as	O
separate	O
products	O
.	O
</s>
<s>
However	O
,	O
the	O
NJE	O
support	O
in	O
JES3	B-Application
requires	O
the	O
Batch	O
Data	O
Transmission	O
(	O
BDT	O
)	O
program	O
product	O
and	O
the	O
NJE	O
support	O
in	O
z/VM	B-Application
requires	O
the	O
Remote	B-Application
Spooling	I-Application
Communications	I-Application
Subsystem	I-Application
(	O
RSCS	B-Application
)	O
program	O
product	O
.	O
</s>
