Abstract
To make cloud computing model Practical and to have essential characters like rapid elasticity, resource pooling, on demand access and measured service, two prominent technologies are required. One is internet and second important one is virtualization technology. Virtualization Technology plays major role in the success of cloud computing. A virtualization layer which provides an infrastructural support to multiple virtual machines above it by virtualizing hardware resources such as CPU, Memory, Disk and NIC is called a Hypervisor. It is interesting to study how different Hypervisors perform in the Private Cloud. Hypervisors do come in Paravirtualized, Full Virtualized and Hybrid flavors. It is novel idea to compare them in the private cloud environment. This paper conducts different performance tests on three hypervisors XenServer, ESXi and KVM and results are gathered using SIGAR API (System Information Gatherer and Reporter) along with Passmark benchmark suite. In the experiment, CloudStack 4.0.2 (open source cloud computing software) is used to create a private cloud, in which management server is installed on Ubuntu 12.04 – 64 bit operating system. Hypervisors XenServer 6.0, ESXi 4.1 and KVM (Ubuntu 12.04) are installed as hosts in the respective clusters and their performances have been evaluated in detail by using SIGAR Framework, Passmark and NetPerf.
Highlights
Cloud computing is a model for enabling convenient, ondemand network access to a shared pool of configurable computing resources such as networks, servers, storage, applications, and services that can be rapidly provisioned and released with minimal management effort or service provider interaction [1].Virtualization, in computing, refers to the act of creating a virtual version of something, including but not limited to a virtual computer hardware platform, operating system, storage device, or computer network resources
This paper provides a quantitative comparison of three hypervisors Xen Server 6.0, VMware ESXi Server 4.1 and KVM (Ubuntu 12.04) in the private cloud environment
Microsoft Windows 2008 R2 server is installed on three hypervisors as a guest operating system and a series of performance experiments are conducted on the respective guest OS and results are gathered using SIGAR [36], Passmark [16] and NetPerf [35]
Summary
Cloud computing is a model for enabling convenient, ondemand network access to a shared pool of configurable computing resources such as networks, servers, storage, applications, and services that can be rapidly provisioned and released with minimal management effort or service provider interaction [1]. Virtualization is a technology that combines or divides computing resources to present one or many operating environments using methodologies like hardware and software partitioning or aggregation, partial or complete machine simulation, emulation, timesharing, and many others [2]. A virtualization layer provides an infrastructural support using the lower-level resources to create multiple virtual machines that are independent and isolated from each other. Such a virtualization layer is called Hypervisor. Microsoft Windows 2008 R2 server is installed on three hypervisors as a guest operating system and a series of performance experiments are conducted on the respective guest OS and results are gathered using SIGAR [36], Passmark [16] and NetPerf [35] This technical paper presents and analyses the results of these experiments. KVM performance is noticeably lower than that of XenServer and ESXi Server, it needs to improve in all the performance aspects
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