Kaleido: an environment for composing networked multimedia applications

Proceedings. The Sixth IEEE International Symposium on High Performance Distributed Computing (Cat. No.97TB100183) Pub Date : 1997-08-05 DOI:10.1109/HPDC.1997.626400

A. Asthana, J. Sienicki, M. Srivastava

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Abstract

Kaleido is a system for flexible concurrent processing of multimedia flows where applications are decomposed into building blocks called "active buffers" whose computation and I/O requirements are characterized so as to allow reservation of CPU and bandwidth resources. The input and output ports of active buffers in a Kaleido application are connected by channels. The active buffers in an application may themselves be mapped either to a single compute node, or to multiple compute nodes connected by a network. The Kaleido runtime system software transparently handles the resulting local and remote channels by providing the abstraction of a distributed "active backplane". This "active backplane" also allows dynamic applications whose functional partitioning among compute nodes can be adapted to network, server, and terminal resources. The paper also describes I/O-centric hardware extensions that we have developed for efficient handling of concurrent multimedia streams in Kaleido.

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Kaleido:一个编写网络多媒体应用程序的环境

Kaleido是一个用于灵活并发处理多媒体流的系统，其中应用程序被分解为称为“活动缓冲区”的构建块，其计算和I/O需求被描述为特征，以便允许预留CPU和带宽资源。Kaleido应用程序中活动缓冲区的输入和输出端口通过通道连接。应用程序中的活动缓冲区本身可以映射到单个计算节点，也可以映射到通过网络连接的多个计算节点。Kaleido运行时系统软件通过提供分布式“活动背板”的抽象，透明地处理由此产生的本地和远程通道。这种“活动背板”还允许动态应用程序，其计算节点之间的功能分区可以适应网络、服务器和终端资源。本文还描述了我们为有效处理Kaleido并发多媒体流而开发的以I/ o为中心的硬件扩展。

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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Proceedings. The Sixth IEEE International Symposium on High Performance Distributed Computing (Cat. No.97TB100183)

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