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1. Background Measuring and Modeling the Performance of the Xen VMM

by Jie Lu, Lev Makhlis, Jianjiun Chen
"... Server virtualization technology provides an alternative for server consolidation by creating a set of logical resources that share underlying physical resources. Xen virtual machine monitor, a popular virtualization solution in Linux world, supports execution of multiple guest operating systems wit ..."
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Server virtualization technology provides an alternative for server consolidation by creating a set of logical resources that share underlying physical resources. Xen virtual machine monitor, a popular virtualization solution in Linux world, supports execution of multiple guest operating systems

Live Migration of Virtual Machines

by Christopher Clark, Keir Fraser, Steven H, Jakob Gorm Hansen, Eric Jul, Christian Limpach, Ian Pratt, Andrew Warfield - In Proceedings of the 2nd ACM/USENIX Symposium on Networked Systems Design and Implementation (NSDI , 2005
"... Migrating operating system instances across distinct physical hosts is a useful tool for administrators of data centers and clusters: It allows a clean separation between hardware and software, and facilitates fault management, load balancing, and low-level system maintenance. By carrying out the ma ..."
Abstract - Cited by 636 (15 self) - Add to MetaCart
the design, implementation and evaluation of highperformance OS migration built on top of the Xen VMM. 1

Improving Xen security through disaggregation

by Derek G. Murray, Grzegorz Milos, Steven Hand - Proceedings of the Fourth ACM SIGPLAN/SIGOPS international conference on Virtual Execution Environments
"... Virtual machine monitors (VMMs) have been hailed as the basis for an increasing number of reliable or trusted computing systems. The Xen VMM is a relatively small piece of software – a hypervisor – that runs at a lower level than a conventional operating system in order to provide isolation between ..."
Abstract - Cited by 76 (3 self) - Add to MetaCart
Virtual machine monitors (VMMs) have been hailed as the basis for an increasing number of reliable or trusted computing systems. The Xen VMM is a relatively small piece of software – a hypervisor – that runs at a lower level than a conventional operating system in order to provide isolation between

Measuring CPU overhead for I/O processing in the Xen virtual machine monitor

by Ludmila Cherkasova, Rob Gardner - In Proceedings of the annual conference on USENIX Annual Technical Conference , 2005
"... Abstract. Virtual Machine Monitors (VMMs) are gaining popularity in enterprise environments as a software-based solution for building shared hardware infrastructures via virtualization. In this work, using the Xen VMM, we present a light weight monitoring system for measuring the CPU usage of differ ..."
Abstract - Cited by 76 (5 self) - Add to MetaCart
Abstract. Virtual Machine Monitors (VMMs) are gaining popularity in enterprise environments as a software-based solution for building shared hardware infrastructures via virtualization. In this work, using the Xen VMM, we present a light weight monitoring system for measuring the CPU usage

VMM-independent graphics acceleration

by H. Andrés Lagar-cavilla, M. Satyanarayanan - In Proceedings of VEE 2007 , 2007
"... This paper describes VMGL, a cross-platform OpenGL virtualization solution that is both virtual machine monitor (VMM) and graphics processing unit (GPU) independent. VMGL allows applications executing within virtual machines (VMs) to leverage hardware rendering acceleration, thus solving a problem t ..."
Abstract - Cited by 26 (4 self) - Add to MetaCart
This paper describes VMGL, a cross-platform OpenGL virtualization solution that is both virtual machine monitor (VMM) and graphics processing unit (GPU) independent. VMGL allows applications executing within virtual machines (VMs) to leverage hardware rendering acceleration, thus solving a problem

The Inevitability of Xen

by Jon Crowcroft, Keir Fraser, Steven H, Ian Pratt, Andrew Warfield , 2005
"... Xen is a virtual machine monitor (VMM) that we have developed at the University of Cambridge over the past 5 years. As a VMM, Xen allows a single physical computer to be partitioned into a set of isolated virtual computers, each running their own operating system and applications. Xen has received a ..."
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Xen is a virtual machine monitor (VMM) that we have developed at the University of Cambridge over the past 5 years. As a VMM, Xen allows a single physical computer to be partitioned into a set of isolated virtual computers, each running their own operating system and applications. Xen has received

Xen and Co.: communication-aware CPU scheduling for consolidated Xen-based hosting platforms

by Sriram Govindan, Arjun R. Nath, Amitayu Das, Bhuvan Urgaonkar, Anand Sivasubramaniam - In ACM VEE , 2007
"... Recent advances in software and architectural support for server virtualization have created interest in using this tech-nology in the design of consolidated hosting platforms. Since virtualization enables easier and faster application migra-tion as well as secure co-location of antagonistic applica ..."
Abstract - Cited by 74 (1 self) - Add to MetaCart
-ditions of such high consolidation: CPU schedulers that are agnostic to the communication behavior of modern, multi-tier applications. We develop a new communication-aware CPU scheduling algorithm to alleviate this problem. We im-plement our algorithm in the Xen VMM and build a proto-type VHP on a cluster of servers

• DiscussionWhat is Xen?

by Paul Barham, Boris Dragovic, Keir Fraser, Steven H, Tim Harris, Alex Ho, Rolf Neugebauery, Ian Pratt, Andrew Warfield, Powerpc Architectures Xen, Ring Ring, Ring Are Unused
"... • Xen is a virtual machine monitor (VMM) for x86, ..."
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• Xen is a virtual machine monitor (VMM) for x86,

High Performance VMM-Bypass I/O in Virtual Machines

by Jiuxing Liu, et al. , 2006
"... Currently, I/O device virtualization models in virtual machine (VM) environments require involvement of a virtual machine monitor (VMM) and/or a privileged VM for each I/O operation, which may turn out to be a performance bottleneck for systems with high I/O demands, especially those equipped with m ..."
Abstract - Cited by 71 (2 self) - Add to MetaCart
Currently, I/O device virtualization models in virtual machine (VM) environments require involvement of a virtual machine monitor (VMM) and/or a privileged VM for each I/O operation, which may turn out to be a performance bottleneck for systems with high I/O demands, especially those equipped

CPU Management in Consolidated Xen-Based Hosting Platforms

by Sriram Govindan, Jeonghwan Choi, Arjun R. Nath, Amitayu Das, Bhuvan Urgaonkar
"... Abstract—Recent advances in software and architectural support for server virtualization have created interest in using this technology in the design of consolidated hosting platforms. Since virtualization enables easier and faster application migration as well as secure colocation of antagonistic a ..."
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accounting mechanism. We implement our algorithms in the Xen VMM and build a prototype VHP on a cluster of 36 servers. Our experimental evaluation with realistic Internet server applications and benchmarks demonstrates the performance/cost benefits and the wide applicability of our algorithms. For example
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