IXP1200网络平台上的QoS Internet协议调度器

The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings. Pub Date : 2003-07-22 DOI:10.1109/IWSOC.2003.1213069

F. Bernardinis, L. Fanucci, T. Ramacciotti, P. Terreni

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引用次数: 7

摘要

本文描述了在Intel IXP 1200网络处理器上实现服务质量(QoS)管理的调度程序。首先，从抽象层面介绍了调度算法PTTSD的特点和复杂度。然后，简要描述IXP体系结构，目的是改进PTTSD算法，以提供更有效的实现。改进的PTTSD调度器是在Intel提供的参考设计之上实现的。分析了所采用的软件体系结构对IXP网络处理器的依赖性，最后给出了实现方法。报告了一组特性测试，以证明实现的效率和英特尔架构实现灵活QoS路由器的有效性。

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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A QoS Internet protocol scheduler on the IXP1200 network platform

In this paper we describe the implementation of a scheduler capable of Quality of Service (QoS) management on the Intel IXP 1200 network processor. First, the scheduling algorithm PTTSD is introduced at the abstract level showing its characteristics and complexity. Then, the IXP architecture is briefly described with the purpose of refining the PTTSD algorithm in order to provide a more efficient implementation. The refined PTTSD scheduler has been implemented on top of the reference design provided by Intel. The dependency of the adopted software architecture on the IXP network processor is analyzed and, finally, the implementation is described. A set of characterization tests is reported to demonstrate the efficiency of the implementation and the effectiveness of the Intel architecture to implement flexible QoS routers.

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The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings.

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