Distributed Queue Dual Bus (DQDB) access method and physical layer specifications
Author(s)
Bibliographic Information
Distributed Queue Dual Bus (DQDB) access method and physical layer specifications
（Information technology : telecommunications and information exchange between systems : local and metropolitan area networks : specific requirements / sponsor, Technical Committee on Computer Communications of the IEEE Computer Society, part 6）
Institute of Electrical and Electronics Engineers, 1994
- Other Title
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ISO/IEC 8802-6:1994
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Note
"ISO/IEC 8802-6:1994"
"ANSI/IEEE Std 802.6, 1994 edition (incorporating ANSI/IEEE Std 802.6-1990, IEEE Std 802.6d-1993, and IEEE Std 802.6f-1993)"
Description and Table of Contents
Description
This standard is part of a family of standards for local area networks (LANs) and metropolitan area networks (MANs) that deal with the Physical and Data Link Layers as defined by the ISO Open Systems Interconnection Reference Model. It defines a high-speed shared medium access protocol for use over a dual. counterflowing, unidirectional bus subnetwork. The Physical Layer and Distributed Queue Dual Bus (DQDB) Layer are required to support a Logical Link Control (LLC) Sublayer by means of a connectionless Medium Access Control (MAC) Sublayer service in a manner consistent with other IEEE 902 networks. Additional DQDB Layer functions are specified as a framework for other services. These additional functions will support Isochronous Service Users and Connection-Oriented Data Service users, but their implementation is not required for conformance.
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