virtualization 101
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MAKING SENSE OF VIRTUALIZATION
Dale Philips, MCPc Managing Director Converged Networks Group
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Introduction
• Virtualization has come a long way but the need remains the same.– IT professionals require controlled, secure and centralized
management of their business-computing environments.
• Technology has become a more integral part of modern business operations.– Companies have incorporated more hardware into their
office environments.
• Processing power has increased and physical units are taking up a disproportionate amount of space, time and money.
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Global Perspective #1
“IDC recommends that business leaders and IT professional closely monitor – and perhaps even map – the impact that changing business requirements impose on IT services and assess how rapidly evolving IT technologies and new IT business models (e.g., virtualization, next-generation datacenters, cloud computer and second-generation ERP systems) will be deployed. IDC further recommends they re-evaluate IT investment strategies with an eye to taking advantage of flexible financing options that can preserve precious capital and reduce technology obsolescence.”
* IDC White Paper – The Great Realignment: A Radically Changed Economy Demands New Approaches to IT
Extract from IDC White Paper – September 2009*
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Global Perspective #2
“The professional desktop PC market is the most-exposed segment, with alternative architectures such as application streaming, hosted virtual desktops (HVDs) and blade PCs already resetting enterprise expectations of the client computing devices that are permanently connected to their networks. By moving some or all application executions to the data center, enterprises see an opportunity to pursue capital and operation cost savings by buying and deploying thinner, less capable desktop devices. However, deployment of HVDs requires initial high-cost investments in the server and network infrastructure.”
Extract from Gartner for Business Leaders – February 2009*
* Gartner – Emerging Technology Analysis: Hosted Virtual Desktops, February 2009
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The Need for Virtualization
• Low infrastructure utilization• Increasing physical infrastructure costs• Increasing IT management costs• Insufficient failover and disaster protection• High maintenance end-user desktops
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2010 Key Tech Trends to WatchWhich of the following technologies do you expect to deploy despite tightening budgets?
* Goldman Sachs 2010 Survey of Chief Information Officers
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CIO Priorities are Evolving
CIO Technology 2010 Priority 2009 Priority
Virtualization 1 3
Cloud Computing 2 14
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* Gartner 2009 and 2010 CIO Survey
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Too Much Complexity in Today’s IT
Cause– Overwhelming
complexity– Reliance on brittle
infrastructure
Effect– More than 70% of IT
budgets are spent on “maintaining” the status quo.
– Less than 30% goes toward innovation and competitive advantage.
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* IDC and VMware TAM program
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This Complexity Drives Us to the Next Wave
Web
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So What is This Cloud Thing?
Cloud computing is a way of doing computing
EnterprisesCloud
Service Providers
Bridging
Private CloudOperated solely for an organization, typically within the firewall.
Hybrid CloudComposition of 2 or more interoperable clouds, enabling data and application portability.
Public CloudAccessible over the internet for general consumption.
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Cloud Computing• Cloud computing is an approach to computing that leverages
the efficient pooling of on-demand, self-managed virtual infrastructure consumed as a service.
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Cloud Computing Journey• What leads to “How?”
Cloud Computing
IT Production Business Production IT as a Service
Core Platform and Management
Application Development Quality and Efficiency
Advanced Management and Business Continuity
Desktop
AutomationPath to Value
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Types of Virtualization
• Server• Application • Desktop
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Server Virtualization Definition
• Masking of server resources (including the number and identity of individual physical servers, processors and operation systems) from server users.
• Intent is to spare the user from having to understand and manage complicated details of server resources, while increasing resource sharing and utilization and maintaining the capacity to expand later.
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Trends Leading to Inefficient Server Utilization
Time
Ha
rdw
are
Po
we
rRapid Increase in Hardware Power
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Trends Leading to Inefficient Server Utilization
# o
f C
om
po
nen
ts
Client/Server
Increase in # of Physical and Logical Components
Web SOA
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Low Server Utilization is Normal
10%
Mainframe
Server utilization normally seen at 5-15% of capacity
Unix x86
60%
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Application Virtualization Definition
• Umbrella term that describes software technologies that improve portability, manageability and compatibility of applications by encapsulating them from the underlying operating system on which they are executed.
• A fully virtualized application is not installed in the traditional sense, although it is still executed as if it is.
• The application is fooled at runtime into believing that it is directly interfacing with the original operating system and all the resources managed by it, when in reality it is not.
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Virtualize the Applications
• How does it work?– Decouple applications and data from OS– Agent-less architecture– Wide platform and application support– Plug into existing app management tools
• Leverage benefits of isolation, encapsulation and mobility to applications on the desktop
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Virtualizing Enterprise Applications
• Exchange• Oracle• SAP• Sharepoint• SQL
Tier 1 Applications can be Virtualized!
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Desktop Virtualization Definition
• Server-centric computing model that borrows from the traditional thin-client model but is designed to give system administrators and end-users the best of both worlds: the ability to host and centrally manage desktop virtual machines in the data center while giving end users a full PC desktop experience.
• The user experience is intended to be identical to that of a standard PC, but from a thin-client device or similar, from the same or remotely.
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Desktop Virtualization Objectives
• Streamline desktop management and deployment• Deliver built-in business continuity for the desktop• Ensure security with centralized control and
management
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Desktop Virtualization Adoption RatePercentage of companies that have deployed or will deploy desktop virtualization
2009
2010
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* From VMware
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Desktop Virtualization Challenge
• Freedom vs. Control
Control
System Users IT Department
Anytime, anywhere access
Device, OS and app diversity
Increasing IT costs
Security and compliance risks
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Players in the Virtualization Space
• Microsoft/Hyper-V
• Citrix/Xen
• VMware/vSphere
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Infrastructure Solutions Using Virtualization
• Server consolidation and containment– Decrease server sprawl– Increase server containment
• Develop and test optimization– Reduce cost– Increase productivity in development and testing
• Business continuity– Reduce downtime, high availability, disaster recovery, cost
effective, simpler and more reliable
• Desktop manageability and security – Reduce risks to enterprise resources from remote and guest PCs– Improve security
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Virtualization Enablers
• Central mass storage• New CPU designs• New hardware design• Operating system licensing
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AND IT’S JUST THE BEGINNING