标准摘要
Defines a high-speed shared medium access protocol for use of a dual, counter-flowing, unidirectional bus subnetwork. Specifies the physical layer and DQDB layer required to support logical link control (LLC) sublayer, by a connectionless medium access control (MAC) sublayer service. Also specifies additional DQDB layer functions as a framework for other services.
英文名称Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 6: Distributed Queue Dual Bus (DQDB) access method and physical layer specifications