UW-Madison CS 740 - Development of the Domain Name System (11 pages)

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Development of the Domain Name System



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Development of the Domain Name System

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Pages:
11
School:
University of Wisconsin, Madison
Course:
Cs 740 - Advanced Computer Networks
Advanced Computer Networks Documents

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Development of the Domain Name System Paul V Mockapetris USC Information Sciences Institute Marina del Rey California Kevin J Dunlap Digital Equipment Corp DECwest Engineering Washington Originally published in the Proceedings of SIGCOMM 88 Computer Communication Review Vol 18 No 4 August 1988 pp 123 133 Abstract Simple growth was one cause of these problems another was the evolution of the community using HOSTS TXT from the NCP based original ARPANET to the IP TCP based Internet The research ARPANET s role had changed from being a single network connecting large timesharing systems to being one of the several long haul backbone networks linking local networks which were in turn populated with workstations The number of hosts changed from the number of timesharing systems roughly organizations to the number of workstations roughly users This increase was directly reflected in the size of HOSTS TXT the rate of change in HOSTS TXT and the number of transfers of the file leading to a much larger than linear increase in total resource use for distributing the file Since organizations were being forced into management of local network addresses gateways etc by the technology anyway it was quite logical to want to partition the database and allow local control of local name and address spaces A distributed naming system seemed in order The Domain Name System DNS provides name service for the DARPA Internet It is one of the largest name services in operation today serves a highly diverse community of hosts users and networks and uses a unique combination of hierarchies caching and datagram access This paper examines the ideas behind the initial design of the DNS in 1983 discusses the evolution of these ideas into the current implementations and usages notes conspicuous surprises successes and shortcomings and attempts to predict its future evolution 1 Introduction The genesis of the DNS was the observation circa 1982 that the HOSTS TXT system for publishing the mapping



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