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A Xen Case Study

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Kris Buytaert
Kris Buytaert

The document discusses using virtualization with Xen in a real world environment. It describes how virtualization was used at Newtec to consolidate servers, test configurations, and build dynamic development environments. Some key benefits realized were reduced hardware costs through consolidation, the ability to test at large scale without dedicated hardware, and automating the deployment of virtual machines. It also discusses lessons learned around only virtualizing what is needed and ensuring simplicity to maximize availability.

TechnologyNews & Politics
1 of 28
Using Virtualization in the Real world
Whoami ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why Virtualisation Matters ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Virtualisation vs Virtualisation ,[object Object],[object Object],[object Object],[object Object],[object Object]
Virtualisation vs Virtualisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Virtualisation vs Virtualisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Virtualisation vs Virtualisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Let‘s talk about Xen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DomU vs Dom0 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Xen 3.0 Arch Event Channel Virtual MMU Virtual CPU Control IF Hardware (SMP, MMU, physical memory, Ethernet, SCSI/IDE) Native Device Driver GuestOS (XenLinux) Device Manager & Control s/w Native Device Driver GuestOS (XenLinux) Unmodified User Software Front-End Device Drivers GuestOS (XenLinux) Unmodified User Software Front-End Device Drivers Unmodified GuestOS (WinXP)) Unmodified User Software Safe HW IF Xen Virtual Machine Monitor Back-End Back-End VT-x AGP ACPI PCI SMP
A too early adopter ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
An uninformed Customer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Newtec ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why Open Source @ Newtec ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Linux in a DVB-RCS/S3P Platform
Our specific reasons for Virtualisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],Virtual Platforms
Consolidation in the 2Way Sat Hub ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Deploying Virtual Machines in a Large Environment ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Xen in Action
Virtual Gateway Cluster ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],Solving Netfilter Problems
Solution: Dynamic Build Environments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Lessons Learned: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
``` Kris Buytaert <Kris.Buytaert@inuits.be> Further Reading http://www.krisbuytaert.be/blog/ http://wiki.xensource.com/ Contact :
Hybrid Deployment Goals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The 10 th Floor Test ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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A Xen Case Study

  • 1. Using Virtualization in the Real world
  • 2.
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  • 11. Xen 3.0 Arch Event Channel Virtual MMU Virtual CPU Control IF Hardware (SMP, MMU, physical memory, Ethernet, SCSI/IDE) Native Device Driver GuestOS (XenLinux) Device Manager & Control s/w Native Device Driver GuestOS (XenLinux) Unmodified User Software Front-End Device Drivers GuestOS (XenLinux) Unmodified User Software Front-End Device Drivers Unmodified GuestOS (WinXP)) Unmodified User Software Safe HW IF Xen Virtual Machine Monitor Back-End Back-End VT-x AGP ACPI PCI SMP
  • 12.
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  • 26. ``` Kris Buytaert <Kris.Buytaert@inuits.be> Further Reading http://www.krisbuytaert.be/blog/ http://wiki.xensource.com/ Contact :
  • 27.
  • 28.