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Traffic scheduling solutions with QoS support for an input-buffered multimedia router

机译：具有输入缓冲多媒体路由器的QoS支持的流量调度解决方案

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摘要

Quality of service (QoS) support in local and cluster area environments has become an issue of great interest in recent years. Most current high-performance interconnection solutions for these environments have been designed to enhance conventional best-effort traffic performance, but are not well-suited to the special requirements of the new multimedia applications. The multimedia router (MMR) aims at offering hardware-based QoS support within a compact interconnection component. One of the key elements in the MMR architecture is the algorithms used in traffic scheduling. These algorithms are responsible for the order in which information is forwarded through the internal switch. Thus, they are closely related to the QoS-provisioning mechanisms. In this paper, several traffic scheduling algorithms developed for the MMR architecture are described. Their general organization is motivated by chances for parallelization and pipelining, while providing the necessary support both to multimedia flows and to best-effort traffic. Performance evaluation results show that the QoS requirements of different connections are met, in spite of the presence of best-effort traffic, while achieving high link utilizations.
机译：近年来，在本地和群集区域环境中的服务质量（QoS）支持已成为人们非常关注的问题。当前针对这些环境的大多数高性能互连解决方案旨在增强传统的尽力而为流量性能，但并不完全适合于新的多媒体应用的特殊要求。多媒体路由器（MMR）旨在在紧凑的互连组件中提供基于硬件的QoS支持。 MMR体系结构中的关键要素之一是流量调度中使用的算法。这些算法负责信息通过内部交换机转发的顺序。因此，它们与QoS设置机制密切相关。在本文中，描述了为MMR体系结构开发的几种流量调度算法。他们的总体组织受到并行化和流水线化机会的激励，同时为多媒体流和尽力而为流量提供了必要的支持。性能评估结果表明，尽管存在尽力而为流量，但满足了不同连接的QoS要求，同时实现了较高的链路利用率。

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