RFC 76 (rfc76) - Page 4 of 15


Connection by name: User oriented protocol



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RFC 76         Connection-By-Name: User-Oriented Protocol   October 1970


III. Example of User Dialogue

   Assume a user residing at CAC, whose site code is URBANA.  His
   terminal is an alphanumeric CRT terminal and we assume solution of
   code conversion problems for network communications.

   The sample user session will involve the setting up of two processes
   at two host sites with control from the third host site.  All
   operations can be accomplished with the current protocol plus the
   proposed extensions.

   In addition, we also assume that some form of standard user code is
   in use for all host sites uniquely identifying every network user
   when he is present.

   Output keyed by systems will be underlined.  Comments are offset to
   the right for legibility.  All statements about the UTAH system are
   purely hypothetical.

    User Dialogue                           Comments

                                 The user moves to the terminal, applies
                                 power and types:

   HELLO
                                 The CAC system responds for login
                                 purposes with:

   USER= GROSSMAN
   ------
                                 for the user's code.


   1437 TR7/GROSSMAN LOGGED IN
   ___________________________
   LINE PRINTER DOWN TILL 1600
   ___________________________
                                 This acknowledges proper usercode and
                                 sends any appropriate notes on system
                                 status.
   ! LINK TO ILLIAC
                                 The exclamation point (!) is the escape
                                 character which flags direct input to
                                 the PDP-11 OS:

                                 User requests connection to the ILLIAC
                                 IV node.  NCP operations establish link
                                 from user terminal to B6500 MCP.



Bouknight, et al.


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