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1 UNET -- STANDARD COMMUNICATION PROTOCOLS FOR UNIX A SEMINAR PRESENTED BY 3COM CORPORATION 11 NOVEMBER 1980 BRUCE S. BORDEN HOWARD S. CHARNEY ROBERT M. METCALFE GREGORY L. SHAW 3COM CORPORATION 3000 SAND HILL ROAD #1 MENLO PARK, CALIFORNIA 94025 (415) 854-3833 COPYRIGHT 3COM CORPORATION 1980. ALL RIGHTS RESERVED. \ 2 u++p (j f+-p~~" uv+p u"+p~{'v UM+P uN)b..~ \er- 3 UNET IS A TRADEMARK OF 3COM CORPORATION 3COM'S UNET SOFTWARE PROVIDES COMMUNICATION AMONG COMPUTERS RUNNING BELL'S UNIX OPERATING SYSTEM. UNET TRANSFERS FILES, CONNECTS REMOTE TERMINALS, AND CARRIES ELECTRONIC MAIL USING DOD's STANDARD INTERNET PROTOCOL eIP) AND TRANSMISSION CONTROL PROTOCOL (TCP). UNET ALSO OFFERS GENERAL INTERPROCESS COMMUNICATION FACILITIES-TO UNIX PROGRAMMERS. UNET CREATES AN IP/TCP PACKET INTERNET AMONG COMMUNICATING UNIX COMPUTERS ALLOWING ITS FILE, TERMINAL, MAIL, AND PROGRAM SERVICES TO TRAVERSE A VARIETY OF COMMUNICATION MEDIA BOTH LOCAL AND REMOTE. SUCH MEDIA INCLUDE BELL SYSTEM VOICE CIRCUITS, DIGITAL SATELLITE CHANNELS, AND ETHERNET. UNET WILL ENHANCE BELL'S UNIX ON PDP-lIs AND VAXs AND IS BEING OFFERED ON UNIX WHEN PORTED TO OTHER MACHfNES. IN PARTICULAR, UNET WILL BE AVAILABLE WITH XENIX ON THE 18086, Z8000, AND M68000 IN SPECIAL COOPERATION WITH MICROSOFT. UNET AND 3COM ARE TRADEMARKS OF 3COM CORPORATION. UNIX IS A TRADEMARK OF BELL LABORATORIES. XENIX IS A TRADEMARK OF MICROSOFT. ETHERNET IS A TRADEMARK OF XEROX CORPORATION. 4 UNET SEMINAR SCHEDULE (1) BOB METCALFE 3:00 WHERE UNET FITS IN. (2) HOWARD CHARNEY 3:25 How TO BUY UNET LICENSES. (3) GREG SHAW 3:50 UNET FEATURES AND FUNCTIONS. (4) BREAK 4:15 REFRESHMENTS. (5) BRUCE BORDEN 4:30 UNET INTERNALS AND UNIX. (6) QUESTIONS 5:30 DISCUSSION. (7) END 6:00 END. (1) BOB METCALFE WILL PRESENT 3COM'S VIEW OF WHERE IP/TCP AND UNET FIT INTO ISO's OSI REFERENCE MODEL, CCITT's X.25, IBM's SNA, XEROX'S ETHERNET, AND 3COM PLANS FOR BUILDING COMPUTER COMMUNICATION COMPATIBILITY. (2) HOWARD CHARNEY WILL PRESENT HOW 3COM IS OFFERING UNET FOR WIDE DISTRIBUTION AND HOW YOU CAN BUY LICENSES TO OBTAIN UNET SOURCES, INSTALLATION, MAINTENANCE, AND BINARIES FOR RESALE. (3) GREG SHAW WILL PRESENT UNET's FEATURES AND FUNCTIONS AND WILL EXPLA1N HOW UNET IS USED WITH FILES, TERMINALS, MAIL, AND PROGRAMS. (4) BRUCE BORDEN WILL PRESENT UNET's INTERNALS AND HOW UNET IS IMPLEMENTED IN HARMONY WITH UNIX. 5 3COM STANDS FOR COMPUTER COMMUNICATION COMPATIBILITY 3COM CORPORATION FOUNDED IN JUNE 1979. PACKET SWITCHING AND LOCAL COMPUTER NETWORKS. 3COM PEOPLE: PAUL BARAN, DIRECTOR BRUCE S. BORDEN, UNET PRODUCT MANAGER HOWARD S. CHARNEY, VP OPERATIONS AND COUNSEL RONALD C. CRANE, DIRECTOR OF ENGINEERIN