Sean Frierson's List: Research 1

• At the meeting it was agreed that work could begin on the conventions to be used for exchanging messages between any pair of computers in the proposed network, and also on consideration of the kinds of communications lines and data sets to be used. In particular, it was decided that the inter-host communication 'protocol' would include conventions for character and block transmission, error checking and retransmission, and computer and user identification. Frank Westervelt, then of the University of Michigan, was picked to write a position paper on these areas of communication, an ad hoc 'Communication Group' was selected from among the institutions represented, and a meeting of the group scheduled." (ARPA draft, III-26) 

• In order to develop this network of varied computers, two main problems had to be solved: 

   " 1. To construct a 'subnetwork' consisting of telephone circuits and switching nodes whose reliability, delay characteristics, capacity, and cost would facilitate resource sharing among computers on the network. 

   2. To understand , design, and implement the protocols and procedures within the operating systems of each connected computer, in order to allow the use of the new subnetwork by the computers in sharing resources." (ARPA not draft, II-8)

• The Completion Report explains that the Program Plan was, "an interesting document. The stated objectives of the program were to develop experience in interconnection computers and to improve and increase computer research productivity through resource sharing. Technical needs in scientific and military environments were cited as justification for the program objectives. Relevant prior work was described. It was noted that the computer research centers supported or partially supported by IPT provided a unique testbed for computer networking experiments, as well as providing immediate benefits to the centers and valuable research results to the military. The network planning that had gone on was described, the need for a network information center was noted, and the network design was sketched. A five year schedule for network procurement, construction, operation, and transfer out of ARPA was presented. (It was noteworthy that IPT had initially had in mind eventual transfer of the operational network to a common carrier.) Finally a several-million-dollar, several-year budget was stated." (ARPA draft, III-35) 

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