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Generalized access control strategies for integrated services token passing systems

机译：集成服务令牌传递系统的通用访问控制策略

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摘要

The demand for integrated services local area networks is increasing at a rapid pace with the advent of many new and exciting applications: office and factory automation, distributed computing, and multimedia communications. To support these new applications, it is imperative to integrate traffic with diverse statistical characteristics and differing delay requirements on the same network. An attractive approach for integrating traffic has been adopted in two token passing local area network standards, the IEEE 802.4 token bus standard and FDDI. The idea is to control the transmissions of each station based on a distributed timing algorithm, so as to achieve the following goals: (i) to limit the token cycles so that time-critical traffic can be accommodated, and (ii) to allocate pre-specified bandwidths to different stations when the network is overloaded. We have investigated the analysis and design of this protocol previously (see Pang and Tobagi, 1989). In this paper, we generalize the transmission control algorithm used with that protocol. The major advantages of the generalization over the original protocol are: (i) it provides a much expanded design space, (ii) it guarantees convergent behavior, and (iii) it gives meaningful insights into the dynamics of the basic control algorithm.
机译：随着许多令人兴奋的新应用的出现，对集成服务局域网的需求正在迅速增长：办公室和工厂自动化，分布式计算和多媒体通信。为了支持这些新应用，必须在同一网络上集成具有各种统计特征和不同延迟要求的流量。两种通过令牌的局域网标准（IEEE 802.4令牌总线标准和FDDI）已经采用了一种吸引人的流量集成方法。这个想法是基于分布式定时算法控制每个站点的传输，从而实现以下目标：（i）限制令牌周期，以便可以容纳时间紧迫的流量，以及（ii）分配网络过载时指定到不同站点的带宽。我们之前已经研究了该协议的分析和设计（请参阅Pang和Tobagi，1989）。在本文中，我们概括了与该协议一起使用的传输控制算法。与原始协议相比，泛化的主要优势在于：（i）提供了大大扩展的设计空间，（ii）保证了收敛的行为，并且（iii）提供了对基本控制算法动态性的有意义的见解。

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