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+NWG/RFC #302 UCSB Computer
+NIC 9074 Research Laboratory
+ Roland F. Bryan
+ 8 February 1972
+
+
+ EXERCISING THE ARPANET
+
+
+Questions
+---------
+
+ 1. Can a technically competent person, initially uninformed
+ as to network operation and naive as to the capabilities
+ of various time-shared terminal systems attached to the
+ Network, be able to develop problem solving competence
+ at server sites on the ARPANET?
+
+ 2. What inherent user problems exist that complicate such
+ adaptation?
+
+ 3. Once proficient in the use, what aspects of the various
+ sites limit the usability and what modifications should
+ be considered at both server and user sites to meet
+ various needs?
+
+ 4. Should a user select a given site for composing and
+ editing all of his files for subsequent transfer to
+ other sites for processing or should he learn to compose
+ and edit at each of the sites doing his processing?
+
+ 5. What are the problems in starting cooperating processes
+ at several sites? How does a user control such
+ processes?
+
+
+
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+
+
+ [Page 1]
+
+Obtaining the Answers
+---------------------
+
+ Under the direction of UCSB Professor James Howard, a test
+group of 14 graduate students was formed to pursue the questions
+above, and any other aspect of ARPANET operation that they might
+uncover.
+
+ The test group has been given access to the 16 console On-Line
+System classroom in the E.E. Department at UCSB. The 16 consoles
+produce graphic and alphanumeric displays and are tied into the
+UCSB Host 360-75 which gains them access to the network. Old
+style Culler-Fried keyboards are being used which provide a
+limited key set Jim White has managed to program around most of
+the protocol problems brought about by these keyboards, but some
+still remain.
+
+ Seminars were given to the test group to familiarize them
+with software and hardware aspects of the ARPANET, the local NIC
+file has been made available to the group, and the group has been
+allowed to sign onto the Network to pursue any available system.
+
+ Following the initial period of two weeks, during which the
+group developed some familiarity with the network, the test group
+has been divided into working groups with emphasis as follows:
+
+
+ Patric Timlick } BBN-TENEX
+ Dave Stearns } BBN-TENEX B
+
+ John Pickens } SRI-ARC (NIC)
+ Doug Beaubien }
+
+ Dave Whittington }
+ Richard Haraguchi } MIT-Multics
+ Maria deGraaf } MIT-DMCG
+ Richard Melton }
+ Su Sung Won }
+
+ Ronald Varekamp }
+ Jeoff Benson } UCLA-CCN HARV-10
+ Hasan A. El. Hasan } UCLA-NMC UTAH-10
+ George Engelberg } RAND-CSG LL-67
+ Rodney Skinner }
+
+
+
+
+
+
+
+ [Page 2]
+
+Some Initial Results
+--------------------
+ The first real encounters with the ARPANET at large produced
+a series of questions and comments. Test group comments are
+itemized below with additional comments by the author {In braces}.
+We plan subsequent reports on a periodic basis.
+
+ 1. We find that we need further information about access
+ to the NCPs at various sites. User manuals from the
+ sites might provide this. {Site response is solicited}
+
+ 2. We sometimes cannot sign into UCLA-NMC directly from
+ UCSB, but can do so readily by way of BBN. {Protocol?}
+
+ 3. After running a Fortran or PL-1 program at some net
+ location we can only display the results on our consoles
+ but cannot store them as files. {UCSB programming need?}
+
+ 4. When communications break down how can a user be
+ assured that he is logged out of some remote site?
+ {Need for automatic Log-out?}
+
+ 5. How do we make contact with programmers at other sites
+ to develop cooperative programs for file transfer, etc?
+ {Jim White?}
+
+ 6. Is there a best time of day for operation at each site?
+ Should contact be made with the site operator prior to
+ user sessions? {Server sites please comment}
+
+ 7. UCLA-NMC has assigned a separate user identification
+ for test group use. Would other sites prefer to do
+ likewise? {Comments?}
+
+ 8. Is there information regarding uses made of the
+ various time shared systems by internal users at each
+ site? Does a bibliography exist to allow contact
+ with such users? {Check the Resource Notebook}
+
+ 9. MIT-DMCG and BBN provide very good user service,
+ especially the site survey. Also these sites have
+ good responses to define events. Can UCSB provide
+ local users with similar information? {Jim White?}
+
+ [ This RFC was put into machine readable form for entry ]
+ [ into the online RFC archives by BBN Corp. under the ]
+ [ direction of Alex McKenzie. 12/96 ]
+
+
+
+
+ [Page 3]
+