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Issue No.02 - April-June (2003 vol.25)
pp: 80-82
CITATION
Anne Fitzpatrick, "Anecdotes", IEEE Annals of the History of Computing, vol.25, no. 2, pp. 80-82, April-June 2003, doi:10.1109/MAHC.2003.1203060
REFERENCES
1. J. Postel and J. Reynolds, Telnet Protocol Specication, RFC 854, Network Working Group, May 1983.
2. L. Roberts and B. Wessler, "Computer Network Development to Achieve Resource Sharing," AFIPS Conf. Proc ., vol. 36, AFIPS Press, 1970, pp. 543-549.
3. Historically, computers from different manufacturers, had proprietary operating systems, perhaps used a proprietary character set, and communicated with users at terminals in different ways (for example, line-at-a-time local echo or character-at-a-time remote echo). Before PCs, many computers were time shared, where simultaneous users sat at slow, directly-connected terminals (for example, via 10 characters-a-second phone lines or direct copper wire). Before Arpanet, most computer networks were dedicated to a specific application. In 1969, Arpanet was developed as a "common user network," supporting intercommunication between any user and any application on any computer from any terminal. The Arpanet Telnet protocol included a Network Virtual Terminal (NVT), a hypothetical terminal with a standard set of characteristics (see references 1 and 8). Every computer and operating system was to translate between its native terminal type and the NVT, enabling every computer and operating system to communicate with every kind of user terminal.
4. S.M. Ornstein et al., "Terminal IMP for the ARPA Computer Network," AFIPS Conf. Proc ., vol. 40, AFIPS Press, 1972, pp. 243-254.
5. F.E. Heart et al., "The Interface Message Processor for the ARPA Computer Network," AFIPS Conf. Proc ., vol. 36, AFIPS Press, 1970, pp. 551-567.
6. In the list of the four prefixes, "you" means the computer executing the WILL or WON'T command regarding the particular option. "Other party" means the other computer is being told to DO or DON'T execute the option. (The wording used in the example comes from reference 1.)
7. B. Cosell and D. Walden, Telnet Issues, RFC 435, Network Working Group, 5 Jan. 1973.
8. J. Davidson, W. Hathaway, N. Mimno, J. Postel, R. Thomas, and D. Walden, "The Arpanet Telnet Protocol: Its Purpose, Principles, Implementation, and Impact on Host Operating System Design," Proc. ACM/IEEE 5th Data Communications Symp., 1977, IEEE CS Press, pp. 4-10-4-18.
9. D.G. Bobrow et al., "TENEX: A Paged Time Sharing System for the PDP-10," Proc. 3rd Symp. Operating System Principles, 1971, ACM Press, pp. 1-10.
10. Alex McKenzie says Walden also had help with these options from Cosell, Tomlinson, Bob Thomas, Burchfiel, and Dave Crocker (see A. McKenzie, Telnet Protocol Specication, tech. report RFC 495, Network Working Group, May 1973). Walden does not remember if he ever lived up to the promise to document more options that McKenzie reported in the RFC.
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