RFC4

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Network Working Group Elmer B. Shapiro Request for Comment: 4 Stanford Research Institute Category: Informational 24 March 1969


                       Network Timetable


1 (n10) network checkout

2 Installation of communcation gear 8/1/69

2a From AT&T and/or BBN need dimensional, power and cabling specifications

2b Need to establish SRI desired alternate locations so as to determine maximum telco cable lengths

2c Need to establish location and drops on voice coordination circuits

2d Need circuit information on voice drops for tie to intercom system

2e Need to order and install a.c. power (coordinate with 4b)

2f See 16

3 Design and construct host-Imp interface 9/1/69

3a Need specifications from BBN

3b Develop trial design

3c Review with system programmers

3d Establish final design

3e Build and design hardware

3f Debug trial software with hardware loop test

4 Imp installation 9/15/69

4a from BBN get dimensional, power and cabling specifications

4b SRI orders and installs a.c. power (coordinate with 2e)



5 Debug host-Imp interface 10/1/69

5a Get debug specifiations and procedures from BBN

5b Write programs to debug with BBN

   5b1  Transfers of test messages
   5b2  Test procedures for crash and recovery
   5b3  Check message fill and stripping procedures

5c Try own transfer tests

   5c1  Verify transfers to Imp
   5c2  Verify transfers from Imp
   5c3  Verify transfers looped with Imp

5d Work out Imp reload and restart procedures

6 Test messages between UCLA-SRI 10/15/69

6a Network configuration

       SRI  |
            |
            |
            |
            |
            |
            |
            |
       UCLA |


6b Agree with UCLA on nature of test messages

   6b1  Formats
   6b2  Sequences
   6b3  Checks
   6b4  Test procedures
   6b5  Fault reporting


6c Test integrity of messages

6d Test sequence of delivery

6e Measure delays

6f Loop with UCLA

6g System response to invalid and abnormal conditions

6h Lose and restore facilities

   6h1  Communication link
   6h2  Imps
   6h3  Hosts

6i Develop net trouble reporting scheme

7 Test messages between UCSB-SRI 11/15/69

7a Network configuration

       SRI .
          |  .
          |   .
          |     .
          |       .
          |         .
          ------------
       UCLA           UCSB

7b All of 6

7c Load network for alternate routing to be effective

7d Develop voice coordination scheme

   7d1  Three way conference
   7d2  Design and build conference gear
   7d3  Deliver conference gear to UCLA and UCSB

7e Route messages around ring

   7e1  Via Imps


   7e2  Via hosts
   7e3  Six tests
     7e3a  UCLA-I, UCSB-I
     7e3b  UCLA-H, UCSB-I
     7e3c  UCLA-H, UCSB-H
     7e3d  UCSB-I, UCLA-I
     7e3e  UCSB-H, UCLA-I
     7e3f  UCSB-H, UCLA-H

8 Test messges between UTAH-SRI 12/15/69

8a Network configuration

       SRI .----------------UTAH
           | .
           |   .
           |     .
           |       .
           |         .
           |           .
           |             .
           |               .
       UCLA-----------------UCSB


8b Selected group of previous test

   8b1  All of 6
   8b2  7b

8c Expand voice coordination scheme

   8c1  UTAH has access to UCLA and UCSB via SRI
   8c2  with BBN and ARPA

9 Run simple TTY systems

9a Single user access



   9a1  On a serving host
     9a1a  A to B
   9a2  From a using host
     9a2a  A to B

9b Multiple user access

   9b1  On a serving host
     9b1a  A,C to B
   9b2  From a using host
     9b2a  A,A to B
   9b3  Various combinations

9c Login, logout, in and out of subsystems

9d Handling of error messages, crashes, recoveries

9e Establish message formats

9f Establish protocols

9g File storage and retrieval

9h Need user's guides for each site

9i Need to establish usage schedules

9j Need to set user names

9k Design and build comm exec or its equivalent

10 Run simple typewriter systems

10a Same as 9c - 9g

10b How define when in half or full duplex mode

10c How to set "break" characters

11 Run arbitrary terminals without local feedback



12 Run arbitrary terminals

13 Move files

14 Develop debugging techniques

14a Fault detection

   14a1  Conformance to manual
   14a2  "Reasonableness" of result
   14a3  Comparison with alternate form of use

14b Cause localization

   14b1  Comm-Imp complex
   14b2  Serving host
   14b3  Using host
   14b3  Try other programs
   14b5  Monitor subsystem via "link" procedures, where possible
     14b5a  Use dialup Dataphone
     14b5b  Use voice coordination channel
   14b6  Move canned messages

14c Cause determination

14d Cause correction


     [ This RFC was put into machine readable form for entry ]
      [ into the online RFC archives by David Capshaw 11/97 ]