1. Gail A. Bohan Director of Information Technology City of Fairfax, Va

2. Virtual Technologies Virtual technologies have been around for quite a long time with little fanfare – some examples: Virtual private network VPN Virtual local area network VLAN Virtual technologies allow us to take full advantage of computing resources by dividing the resource into multiple parts and sharing the basics

3. What is Server Virtualization? Definition : “a method of running multiple independent virtual operating systems on a single physical computer” (http://articles.techrepublic.com.com/5100- 10878 Aug 24,2008)http://articles.techrepublic.com.com/5100- 10878 Ideal for applications that require less server power and fewer users Allows consolidation of servers

4. Virtualization in Virginia Localities A nonscientific survey done of Va localities shows that most of us are at least investigating virtualization Reasons for considering virtualization: backup and recovery, domain controllers, file servers, print servers

5. Localities by Users Supported Small (200-395)Medium (400 – 895)Large(900+) City of BedfordAlbemarle CoCity of Chesapeake Town of BlacksburgCity of DanvilleChesterfield Co Campbell CoCity of Newport NewsCity of Hampton City of FairfaxSpotsylvania CoLoudoun Co Franklin CoStafford CoCity of Lynchburg City of ManassasCity of StauntonRoanoke Co City of SuffolkCity of Virginia Beach 5

7. Virtualization in VA Localities Applications Real estate appraisal Fire investigations Help desk software GIS Email SharePoint McAfee Applications  MS SQL database server  Lotus Notes  Blackberry Enterprise  Linux  Apache  Faster  Documentum

8. Recent National Statistics* * From CIO Insight Research, Emerging Technologies 2008

9. Virtual Products Operating systems in use: VMware ESX used by 90% MS Virtual Server SuSE Xen; Parallels Virtuozzo

10. Benefits Improved disaster recovery Time saving when deploying servers Reduced time when replacing physical servers with virtual servers Easier and faster to set up test systems Server consolidation Lower power and cooling consumption Reduced hardware and maintenance costs

11. Cautions Storage management more complex Not compatible with all applications Watch out for licensing issues Revise backup procedures Higher level of trouble shooting required Difficult to contain virtual spread Do not neglect staff training