QoS specification and adaptive bandwidth monitoring for multimedia delivery

I. Cheng, A. Basu, Yibo Zhang, S. Tripathi
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引用次数: 12

Abstract

Traditionally, multimedia delivery on the Internet has concentrated on providing a single service quality, "best effort", where all types of media are given the same level of importance in a network. Only recently has there been an emphasis on monitoring bandwidth in a network, and adjusting service quality depending on the current bandwidth. One important aspect on which little research has been done is: "how can users specify the requirements and priorities by which multimedia quality should be adjusted given bandwidth limitations"? We design a quality of service (QoS) specification strategy and delivery criteria using adaptive bandwidth monitoring that best fits the specifications to the available resources. In order to provide QoS-based delivery a prioritization method has been designed to order information according to the preferences of a user. Java applets and CGI programming tools are used to provide an interactive Web retrieval environment. At present, JPEG quality, resolution and delay are used as parameters to determine the QoS. We are extending the work to include video delivery and distributed implementation with QoS in the future.
多媒体传输的QoS规范和自适应带宽监控
传统上,因特网上的多媒体传输集中于提供单一的服务质量,即“尽最大努力”,即所有类型的媒体在网络中被赋予同等的重要性。直到最近才开始重视监控网络带宽,并根据当前带宽调整服务质量。很少有人研究的一个重要方面是:“在带宽限制的情况下,用户如何指定调整多媒体质量的要求和优先级”?我们设计了一个服务质量(QoS)规范策略和交付标准,使用自适应带宽监控,使规范最适合可用资源。为了提供基于qos的交付,设计了一种根据用户偏好排序信息的优先级方法。使用Java小程序和CGI编程工具提供交互式Web检索环境。目前主要采用JPEG质量、分辨率和延迟作为确定QoS的参数。我们正在扩展这项工作,以便在未来包括视频传输和具有QoS的分布式实现。
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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