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Design and analysis of IO consolidation in a general -purpose infrastructure for blade servers.

机译:刀片服务器通用基础架构中IO整合的设计和分析。

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摘要

The goal for this dissertation is to propose and evaluate IO consolidation as a cost-efficient approach to server design. In our context, IO consolidation is to replace network interface devices dedicated to each server and corresponding network switches with lower cost IO switches and fewer shared network interface devices. Our key contributions include: (a) a novel, general-purpose infrastructure (GPI) that seamlessly supports conventional and future interconnect protocols in server blade enclosures; and (b) a quantitative evaluation (and associated cost and performance models) of the efficiency of IO consolidation in relation to conventional network consolidation.;In the first part of the dissertation, we focus on the design of a GPI. We combine technology trends and insights into several fabrics' physical layer similarities and discuss tradeoffs in the design to address cost, density, flexibility, and availability issues. We then architect an interconnect infrastructure by volumetric positioning of switch bays and adaptive grouping of signal lanes. The resulting infrastructure can seamlessly support various fabric protocols and provides a mechanism to implement IO consolidation.;In the second part, we evaluate performance and cost efficiencies of IO consolidation solutions with respect to a network consolidation solution within a GPI. We choose two industry-standard protocols---PCI Express as our IO consolidation protocol since it is the IO interface in high-volume computers, and 10Gigabit-Ethernet as our reference network consolidation protocol since it has become the de-facto standard for high-performance networks. Currently, no full systems with IO consolidation exist. Hence, for the purpose of evaluation, we derive our own performance metrics and cost models based on our insights into the characteristics of the protocols, the constraints of the GPI, and the characteristics of datacenter applications. We use a hybrid evaluation method that consists of hardware emulators, a software simulator, and limited-function hardware system prototypes.;Our main result proves that IO consolidation can be cost- and performance-efficient within the GPI architecture, but requires careful consideration of tradeoffs. Our results also show that IO fabrics with relatively narrow links are compelling for their dramatic cost savings and scalability, while maintaining acceptable performance with well-balanced bandwidth utilization throughout the infrastructure.
机译:本文的目的是提出并评估IO整合,作为一种经济高效的服务器设计方法。在我们的上下文中,IO整合是用成本更低的IO交换机和更少的共享网络接口设备来替换专用于每个服务器的网络接口设备以及相应的网络交换机。我们的主要贡献包括:(a)一种新颖的通用基础结构(GPI),该基础结构无缝地支持刀片服务器机箱中的常规和未来互连协议; (b)对IO合并相对于常规网络合并的效率进行定量评估(以及相关的成本和性能模型)。在论文的第一部分中,我们重点研究GPI的设计。我们将技术趋势和见解结合到几种织物的物理层相似性中,并讨论设计中的权衡问题,以解决成本,密度,灵活性和可用性问题。然后,我们通过对开关柜进行体积定位和对信号通道进行自适应分组来构建互连基础架构。产生的基础架构可以无缝支持各种结构协议,并提供一种实现IO整合的机制。在第二部分中,我们相对于GPI中的网络整合解决方案评估IO整合解决方案的性能和成本效率。我们选择两种行业标准协议-PCI Express作为我们的IO整合协议,因为它是大容量计算机中的IO接口,而10Gigabit-Ethernet作为我们的参考网络整合协议,因为它已成为高容量计算机的实际标准。性能网络。当前,不存在具有IO整合的完整系统。因此,出于评估的目的,我们基于对协议特征,GPI约束和数据中心应用程序特征的洞察力,得出了自己的性能指标和成本模型。我们使用一种混合评估方法,该方法包括硬件仿真器,软件仿真器和功能有限的硬件系统原型。;我们的主要结果证明IO整合在GPI架构内可以具有成本效益和性能效率,但是需要仔细考虑权衡。我们的结果还表明,具有相对较窄链接的IO结构以其显着的成本节省和可伸缩性而引人注目,同时在整个基础架构中保持良好的性能以及平衡的带宽利用率。

著录项

  • 作者

    Leigh, Kevin.;

  • 作者单位

    University of Houston.;

  • 授予单位 University of Houston.;
  • 学科 Engineering Electronics and Electrical.;Computer Science.
  • 学位 Ph.D.
  • 年度 2007
  • 页码 260 p.
  • 总页数 260
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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