What will happen if cloud management operations burst out?

12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011) and Workshops Pub Date : 2011-05-23 DOI:10.1109/INM.2011.5990679

S. Kikuchi, Y. Matsumoto

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引用次数: 8

Abstract

Currently, cloud data centers make use of server virtualization techniques that consolidate computational resources to provide various services and improve resource utilization. However, the pattern of resource usage in some management operations for virtualized systems, such as live migration and snapshot recording, is different from that in the case of a traditional data center in which the virtualization technology is not used. Therefore, understanding the system behavior during the execution of a large number of management operations is very important for the reliable management of a virtualized cloud data center. With this understanding, we studied the characteristics of management operation performance by executing many operations simultaneously in an experimental virtual server system. The experimental results revealed some notable characteristics, including interference between operations with virtual machines (VMs) hosted on different physical servers and the asymmetric nature of live migration. On the basis of these findings, we state that degradation of operation performance can be mitigated by orchestrating operations under a proper control policy. We confirm the validity of these suggestions by carrying out a case study.

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如果云管理业务爆发，会发生什么?

目前，云数据中心利用服务器虚拟化技术，整合计算资源，提供各种服务，提高资源利用率。但是，虚拟化系统的一些管理操作(如热迁移、快照记录)的资源使用模式与未使用虚拟化技术的传统数据中心的情况有所不同。因此，了解大量管理操作执行过程中的系统行为，对于虚拟化云数据中心的可靠管理非常重要。有了这样的认识，我们通过在一个实验性的虚拟服务器系统中同时执行多个操作来研究管理操作性能的特点。实验结果揭示了一些值得注意的特征，包括托管在不同物理服务器上的虚拟机(vm)操作之间的干扰以及实时迁移的不对称性质。在这些发现的基础上，我们指出，在适当的控制策略下，可以通过编排操作来减轻操作性能的下降。我们通过案例研究证实了这些建议的有效性。

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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12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011) and Workshops

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