Chapter 19. Token Ring and FDDI Overview
IBM has been connecting systems across networks for a long time, and IBM networking always has had a distinctive personality. Much of its early focus was on data entry and data display at remote terminals. IBM equipment was (and still is) used in banks and government offices, and the most important design criterion always has been predictable response time.
The free and easy—and unpredictable—Ethernet LAN environment did not match this requirement. IBM started working on a more controllable LAN technology—Token Ring—in the 1970s. A 4Mbps Token Ring specification was completed in the early 1980s, was submitted to the IEEE for standardization, and was ratified by 1985. Operation at 16Mbps was standardized ...
Get Local Area High Speed Networks now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
