Douglas Comer
Douglas Earl Comer is a professor of
computer science at
Purdue University, where he teaches courses on
operating systems and
computer networks. He has written numerous research papers and textbooks, and currently heads several networking research projects. He has been involved in
TCP/IP and internetworking since the late 1970s, and is an internationally recognized authority. He designed and implemented X25NET and Cypress networks, and the
Xinu operating system. He is director of the Internetworking Research Group at Purdue, editor of Software - Practice and Experience, and a former member of the
Internet Architecture Board. Comer completed the original version of Xinu (and wrote correspondent book ''The Xinu Approach'') in 1979. Since then, Xinu has been expanded and ported to a wide variety of platforms, including:
IBM PC,
Macintosh,
Digital Equipment Corporation VAX and
DECstation 3100,
Sun Microsystems Sun-2,
Sun-3 and
SPARCstations, and
Intel Pentium. It has been used as the basis for many research projects. Furthermore, Xinu has been used as an embedded system in products by companies such as
Motorola,
Mitsubishi,
Hewlett-Packard, and
Lexmark.
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