Remote Job Entry Protocol
RFC 407

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(Oct. 16, 1972)
                                                       RFC 407 NIC 12112

Robert Bressler, MIT-DMCG                              Obsoletes RFC 360
Richard Guida, MIT-DMCG
Alex McKenzie, BBN-NET

                       REMOTE JOB ENTRY PROTOCOL


                                               REMOTE Job Entry Protocol
                                                         (Oct. 16, 1972)
                                                       RFC 407 NIC 12112

                       REMOTE JOB ENTRY PROTOCOL

INTRODUCTION

   Remote job entry is the mechanism whereby a user at one location
   causes a batch-processing job to be run at some other location.  This
   protocol specifies the Network standard procedures for such a user to
   communicate over the Network with a remote batch-processing server,
   causing that server to retrieve a job-input file, process the job,
   and deliver the job's output file(s) to a remote location.  The
   protocol uses a TELNET connection (to a special standardized logger,
   not socket 1) for all control communication between the user and the
   server RJE processes.  The server-site then uses the File Transfer
   Protocol to retrieve the job-input file and to deliver the output
   file(s).

   There are two types of users:  direct users (persons) and user
   processes.  The direct user communicates from an interactive terminal
   attached to a TIP or any host.  This user may cause the input and/or
   output to be retrieved/sent on a specific socket at the specified
   host (such as for card readers or printers on a TIP), or the user may
   have the files transferred by file-id using File Transfer Protocol.
   The other type of user is a RJE User-process in one remote host
   communicating with the RJE Server-process in another host.  This type
   of user ultimately receives its instructions from a human user, but
   through some unspecified indirect means.  The command and response
   streams of this protocol are designed to be readily used and
   interpreted by both the human user and the user process.

   A particular user site may choose to establish the TELNET control
   connection for each logical job or may leave the control connection
   open for extended periods.  If the control connection is left open,
   then multiple job-files may be directed to be retrieved or optionally
   (to servers that are able to determine the end of one logical job by
   the input stream and form several jobs out of one input file) one
   continuous retrieval may be done (as from a TIP card reader).  This
   then forms a "hot" card reader to a particular server with the TELNET
   connection serving as a "job monitor".  Since the output is always
   transferred job at a time per connection to the output socket, the
   output from this "hot" reader would appear when ready as if to a
   "hot" printer.  Another possibility for more complex hosts is to
   attach an RJE User-process to a card reader and take instructions
   from a lead control card, causing an RJE control TELNET to be opened
   to the appropriate host with appropriate log-on and input retrieval
   commands.  This card reader would appear to the human user as a
   Network "hot" card reader.  The details of this RJE User-process are
   beyond the scope of this protocol.

                                   1


                                               REMOTE Job Entry Protocol
                                                         (Oct. 16, 1972)
                                                       RFC 407 NIC 12112

GENERAL SPECIFICATIONS

   User

      A human user at a real terminal or a process that supplies the
      command control stream causing a job to be submitted remotely will
      be termed the User.  The procedure by which a process user
      receives its instructions is beyond the scope of this protocol.

   User TELNET

      The User communicates its commands over the Network in Network
      Virtual Terminal code through a User TELNET process in the User's
      Host.  This User TELNET process initiates its activity via ICP to
      the standard "RJE Logger" socket (socket 5) at the desired
      RJE-server Host.

   RJE-Server TELNET

      The RJE-server process receives its command stream from and sends
      its response stream to the TELNET channel through an RJE-server
      TELNET process in the server host.  This process must listen for
      the ICP on the "RJE Logger" socket (and cause appropriate ICP
      socket shifting).

   TELNET Connection

      The command and response streams for the RJE mechanism are via a
      TELNET-like connection to a special socket with full
      specifications according to the current NWG TELNET protocol.

   RJE-Server

      The RJE-Server process resides in the Host which is providing
      Remote Batch Job Entry service.  This process receives input from