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Design and implementation of an RSVP-based quality of servicearchitecture for an integrated services Internet

机译：集成服务Internet的基于RSVP的服务质量体系结构的设计和实现

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摘要

The Internet Engineering Task Force (IETF) is currently in thenprocess of overhauling the architecture of the Internet to meet newnchallenges and support new applications. One of the most importantncomponents of that venture is the enhancement of the Internet servicenmodel from a classless best effort service architecture to an integratednservices architecture supporting a multitude of classes and types ofnservices. This paper presents the design, implementation, andnexperiences with a protocol architecture for the integrated servicesnInternet. It is based on the emerging standards for resource reservationnin the Internet, namely, the RSVP protocol and the associated servicenspecifications defined by the IETF. Our architecture represents a majornfunctional enhancement to the traditional TCP/IP protocol stack. It isnscalable in terms of performance and number of network sessions, andnsupports a wide variety of network interfaces ranging from legacy LANninterfaces, such as Token Ring and Ethernet, to high-speed ATMninterfaces. The paper also describes the implementation of thisnarchitecture on the IBM AIX platform and our experiences with thensystem. We then present a performance analysis of the system whichnquantifies the overheads imposed by all components of the QoS support,nsuch as traffic policing, traffic shaping, and buffer management
机译：互联网工程任务组（IETF）当前正在对互联网的体系结构进行大修，以应对新的挑战并支持新的应用程序。该企业最重要的组成部分之一是将Internet服务模型从无类别的尽力而为服务体系结构增强为支持多种类型和类型的服务的集成服务体系结构。本文介绍了用于Internet的集成服务的协议体系结构的设计，实现和体验。它基于Internet上新兴的资源预留标准，即RSVP协议和IETF定义的相关服务规范。我们的体系结构代表了对传统TCP / IP协议栈的主要功能增强。它在性能和网络会话数方面无法扩展，并且支持从传统LANn接口（例如令牌环和以太网）到高速ATMn接口的各种网络接口。本文还描述了该体系结构在IBM AIX平台上的实现以及我们在系统中的经验。然后，我们对系统进行性能分析，以量化QoS支持的所有组件所带来的开销，例如流量管制，流量整形和缓冲区管理

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