N(WI) INDRA Technical Report 48 UNIVERSITY COLLEGE LONDON ARPANET PROJECT ANNUAL REPORT 1 JANUARY DECEMBER 1977 Submitted to: PROFESSOR PETER T. KIRSTEIN APRIL 1978 P L’- 1 DISIRIUUlION (; 4LIMITED DTIC SE LECTE RL~ke NOV 2 8 0I B Defense Advanced Research Projects Agency 1400 Wilson Boulevard Arlington Virginia Attn. Dr. Vinton G. Cerf Q,. This exploration was in part upheld by the US Office of C= Naval Research under Contract N G-0005 LLJ Dept of Statistics and Computer Science University College, London S – A _.1… R9.,,….
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2 – ~ – . ~-., ~ ‘~~*~.~ ~-E ~ ;’ ~~~T I T.; 7, *.- ~ TABLE OF CONTENTS Page No. I INTRODUCTION 1-2 II THE MULTI MACHINE SYSTEM 3-6 III ACTIVITIES WITH EPSS Experiences with the Initial EPSS Service. PAPER 4 IV X25 ACTIVITIES 7-12 V SATNET 13 A High-Level Network Measurement Tool PAPER 2 VI MEASUREMENTS 14 Measurements of the Transimission Control Protocol PAPER 5 VII FACSIMILE 15 UCL Experiments in Facsimile PAPER 1 Transmission utilizing Data Base Management Facilities on ARPANET Facsimile Transmission in Message PAPER 3 Processing Systems with Data Management VIII USAGE Ix PUBLICATIONS 37 X CONCLUSIONS 38.REFERENCES 39 IBY NTT$ (“P V”- DTIC T..”‘, Unann-_,’.,
3 ABSTRACT This report portrays crafted by he UCL INDRA gather amid The main part of the report:0consists of papers which) have been distributed or are in the press. These – the gathering’s exercises with the UK Experimental Packet Switched Service, with estimation instruments fopr a Packet Satellite Network, with estimation of a particular Host-Host Protocol, and with the mix of Facsimile Techniques with Message Processing in packetswitched information systems. There are additionally short synopses of the UCL take a shot at the X25 Network Access Protocols and on the interconnection of PC systems. At long last, the present utilization being made of the UCL hub of ARPANET is broke down. I,
4 Ap. I1 INTRODUCTION Each year the INternational Display and Remote Access gathering (INDRA) at University College, London (UCL) produces a yearly report. This report is structured I’ W to abridge our work, and is regardless an authoritative prerequisite of a considerable lot of the associations supporting the work. This yearly report is to a great degree exorbitant in assets to compose, however is a significant exercise center in driving us to show our achievements. In mid-1975, we exhibited a progression of seven projects at meetings. These were bound together as a Technical Report (INDRA 1975). The 1975 yearly report depended intensely on that reference. This year we have writtenfive papers close to the finish of 1977, and furthermore distributed various INDRA reports. Consequently, I have chosen to construct this yearly report basically with respect to these distributed papers. One drawback of this methodology is that it doesn’t give uniform inclusion of those undertakings we are seeking after. The length of the parts is just an impression of the papers exhibited, not an assessment of the significance of the work. Our work with EPSS (part 3), SATNET (Chapter 5), Measurements (Chapter 6) and Facsimile (Chapter 7) speak to develop exercises, and in this way are secured enough by this methodology. Two undertakings, the multi-machine framework (Chapter 2) and the investigation of ARPANET use (Chapter 8), are mature to the point, that the work is more in the idea of administration exercises than research. The exploration perspectives have been treated in before yearly reports and papers. No papers regarding this matter have been readied for the current year, with the goal that short advancement reports are given. The distributions of the gathering are recorded in Chapter 9. We have other imperative research exercises – one is on issues with the interconnection of systems, another work with the X25 Network Access Protocol. A portion of our work incorporates likewise association of systems with X25 get to conventions. The work on the interconnection of systems has advanced significantly amid the year, yet not in an adequately authoritative manner to create a paper. We have chosen, thusly, to ignore these parts of the work for this report – with the exception of where it is insinuated in Chapters 2, 3, 4 and 5. Our work on recreation of system conventions has proceeded, however has not been processed adequately to abridge here. Subsequently this work won’t be accounted for. A task on a Network Access Machine has been finished, and an exceptionally complete proposal delivered (KENT 1977). This movement was free of others, and is intensely subject to the PDP9. It has been connected, sensibly effectively, to computerizing a portion of the Facsimile Control of Chapter 7. This action will likewise not be portrayed further here, but rather is depicted in the reference.