An architecture and implementation for an FDDI MAC concentrator

A. Ruiz, R. Montalvo, J. Brunheroto, W.R. Friedrich, J. Nogima
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引用次数: 0

Abstract

The authors present an architecture and implementation for an FDDI (fiber distributed data interface) concentrator with media access control (MAC) sublayer support. The architecture calls for a distributed implementation of the SMT CMT (station management connection management) for the concentrator. The main features include microcontroller-based physical connection management, configuration management, and link error monitor for the back-end and front-end PHYs. Other features include a node-processor-based entity coordination management, ring management, MAC support, SMT frame transaction support, and link layer control. Communication, between the node processor and the peripheral microcontrollers is two-way serial for high-speed support of concentrator management transactions between the physical entities and the node processor. The architecture is modular because the microcontroller-based management allows for local intelligence for a group of back-end physical entities.<>
FDDI MAC集中器的体系结构和实现
提出了一种支持介质访问控制(MAC)子层的FDDI(光纤分布式数据接口)集中器的结构和实现。该体系结构需要集中器的SMT CMT(站管理连接管理)的分布式实现。主要功能包括基于微控制器的物理连接管理、配置管理以及后端和前端物理设备的链路错误监视器。其他特性包括基于节点处理器的实体协调管理、环管理、MAC支持、SMT帧事务支持和链路层控制。节点处理器和外围微控制器之间的通信是双向串行的,用于支持物理实体和节点处理器之间的集中管理事务。该架构是模块化的,因为基于微控制器的管理允许一组后端物理实体的本地智能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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