Vmware desktop virtualization strategy assessment workshop presentation

© 2010 VMware Inc. All rights reserved
Desktop Virtualization Strategy Assessment
DVSA Workshop
A Guide To General Best Practices for Desktop and Application Virtualization

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Copyright © 2009 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents.
Download link
 Student Guide & Internal & Confidential Update Daly
 https://goo.gl/VVmVZ0
00 Desktop Virtualization Strategy Assessment Services Kit
Document Map http://ouo.io/MASrck
01 Desktop Virtualization Strategy Assessment Consultant Delivery
Guide http://ouo.io/5a3Ai
02 Desktop Virtualization Strategy Assessment Consultant
Methodology Guide http://ouo.io/2RROp0
A1 Desktop Virtualization Strategy Assessment Kickoff http://ouo.io/FZEZA
A2 Desktop Virtualization Strategy Assessment Workshop
Presentation http://ouo.io/i2QoU
A3 Desktop Virtualization Strategy Assessment Workshop Optional
Customer Handout http://ouo.io/ge5ip
A4 Desktop Virtualization Strategy Assessment Stakeholder
Questionnaire http://ouo.io/fKdIAb
A5 Desktop Virtualization Strategy Assessment http://ouo.io/LUzlDL
A6 Desktop Virtualization Strategy Assessment Findings http://ouo.io/mmq0x

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Introduction
 Why are we having this workshop?
• Actions in your realm of responsibility may have an impact on others’ work
• Actions in others’ realms of responsibility may have an impact on your work

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Introduction (continued)
 What is Desktop Virtualization?
• Traditionally Desktops are disparate systems
• Desktop Virtualization allows Desktop elements to be consolidated
• Ideally, the Desktop becomes modular and agile
USERS
DEVICES
OS
APPS

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 How does Desktop Virtualization impact our:
• People?
• Processes?
• Technology?

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 Our Desktop Virtualization Project
• Project Sponsors
• Timeline
 How this may impact your responsibilities

People
How VDI can impact your IT Management Personnel and End Users

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Management Personnel
 VMware Trained and Certified
• Provides a deeper understanding of applicable VMware products
• Both technology and process oriented
 Desktop Deployment Expertise
• Knowledge of physical deployments is still relevant
• Current Desktop Team can bring valuable experience that can accelerate the
deployment cycle
 Application Deployment Expertise
• Thorough understanding of how applications interact with OSes and each
other is vital
• Traditionally not found in Data Center Management Teams

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Management Personnel (continued)
 Desktop Support
• Early involvement of the Desktop Support Team ensures they understand how
the infrastructure is built, what changes may be necessary to support the
environment, how to use new support tools, etc.
 Change Management
• Virtualization frequently impacts the change management decision making
process
• Some existing elements may no longer be necessary, and new items may arise

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Management Personnel (continued)
 Develop Standard Operating Procedures (SOPs)
• Initial deployment and piloting efforts will likely show that many tasks are easily
repeatable
• Record the steps involved in repeatable activities and develop a library of
SOPs to reduce administrative overhead associated with ongoing
management. Examples include:
• Deploy, Recompose, Refresh, Rebalance
• Troubleshooting Run Books

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End Users
 User Migration to Virtual Desktop Infrastructure
• Early development of a migration strategy framework
• Can be built upon during Pilot
• Helps ensure a smooth production rollout
• Begin developing end user educational materials Pilot
• Allows for fine tuning before the production deployment.
 User Surveys
• Developing user surveys to collect information during various deployment
phases
• Helps to gauge user satisfaction and perceived performance.
 User Education
• Providing end users step by step instructions for new infrastructure
• Can go a long way to smooth the transition

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Business Case
 Executive Sponsorship
• Crucial to have an executive sponsorship
• Top down support helps smooth potential road blocks
 Targeted Lines Of Business
• Avoid a “shotgun” approach, try to plan along business units.
• Helps streamline image design, process implementation, organizational changes, etc.
 VDI First
• Consider “Virtualization First for Desktop” early in adoption
• May not be initial goal
 Easy Wins
• Target “technology friendly” lines of business to create early success.
• Use these early successes to generate support in other business units

Processes
How VDI can impact your processes

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Image Management
 Image Development and Tuning
• Understand OS and VM settings that may impact functionality or performance
 QuickPrep versus Sysprep
• Understand the differences between these two VM identity tools
• QuickPrep is a functionality provided by VMware ViewTM Composer when using
Linked Clone Technology.
• Microsoft’s Sysprep is used when deploying Desktop VMs from a Template.
 Frequency of Updates to Parent VM Image
• OS and application patches, AV updates, etc. cause Delta growth
 Minimizing Number of Parent VM Images Deployed
• try to cover as many end users as possible with a single image

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Image Management (continued)
 Use Case Development
• Initially base Parent Images on use case scenarios
 Image Sizing
• Pre-deployment testing helps ensure optimal storage utilization
 Recompose, Refresh, Rebalance Operations
• Understand impacts and benefits
• Can change methods of patching, updating
• Can help reduce storage utilization

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Patch Management
 Updating Images versus Updating Deployed Desktops
• Can impact policies and procedures around updating
• Help reduce storage utilization
 Reconfiguring Automated Patching Solutions
• Current tools should be re-examined
• What elements can effectively extend to Virtual Desktop Infrastructure
 Understand Impact on Infrastructure
• Storage
• Network
• Etc.
• Patch method will impact storage, network utilization
• Patching “storms” cause disk I/O to suffer
• Consider staggering update schedules to reduce impact

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AV Management
 Timing
• AV usually has more frequent update schedule
• Stagger updates, system scans to reduce:
• Disk I/O
• Network contention
 Real-time versus Full Scan
• Explore need for full scans based on your architecture
 VMsafeTM API
• Allows security tools’ resource utilization to be offloaded
 AV White-listing
• Compares deployed desktops to parent image checking for deviations

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Capacity Management
 Trending and Forecasting
• Monitoring utilization allows forecasting of future needs
 Storage
• VM sizing tests facilitate LUN sizing and storage planning
• Reduces possibility of reconfiguration after production deployment
 Network
• Network capacity and placement of supporting infrastructure can
affect user experience

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Security Policies
 Physical Versus Virtual
• Physical security policies may no longer apply to virtual desktops
• Virtualization may provide opportunity to apply new policies
 Understanding Reasons for Policies

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Desktop Lifecycle
Add Move Change Decommission

Technology
How VDI can impact your technology

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VMware ViewTM Infrastructure
 VMware ViewTM Global Settings and Policies
• Hierarchal settings for administering Servers, Clients, Agents, etc.
 Pool Settings
• Not all options appropriate in every situation
• PCoIP versus RDP
• Persistent versus Non-persistent Pools
 Pool Deployment
• Plan for VM distribution across storage,
Cluster placement, I/O impact during
initial deployment, etc.

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VMware ViewTM Infrastructure (continued)
 Availability Planning
• Keep redundancy of various components in mind
• Connection Brokers
• Load Balancers
• Underlying Virtual Infrastructure
 Scalability Considerations
• Consider scalability of your infrastructure in relation to deployment phases
• View Reference Architecture
 Feature to Pool Mapping
• Align View features with business needs
• Not all settings are appropriate for every user

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Supporting Virtual Infrastructure
 VMware vCenterTM Roles for Successful Implementation
• Understand what roles are necessary for View in vCenterTM
 Storage Planning
• Planning and testing vital to realizing storage savings
 Resource Distribution Planning
• Consolidation ratios can depend on chipset architecture
 Scalability Considerations
• Understand underlying infrastructure capabilities and limitations
• View Composer limited to 8 Nodes per HA/DRS Cluster
 Differences Between Server-oriented Virtual Infrastructure versus Desktop
• Server, desktop resource usage tend to differ
• Servers more RAM intensive, Desktops more CPU

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Supporting IT Infrastructure
 Firewall Considerations
• Ensure relevant ports are open for View functionality
 Database Considerations
• Sizing, maintenance, management & backup
• vCenter DB
• View Composer DB
• ADAM
 SSL Certificates
• Self signing versus Trusted Certificate Authority
 File and Print
• Place “close” to VDI from a network perspective

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Supporting IT Infrastructure (continued)
 Group Policy Objects (GPOs)
• Vital to VDI success
• Local GPOs versus Domain GPOs
 Folder Redirection versus Roaming Profiles
• Understand differences in functionality, benefit
 Active Directory Users and Groups
• Integral to administration, entitlement
 DHCP – Scope Size, Lease Duration
• Increase scope size
• Reduce lease duration

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Supporting IT Infrastructure (continued)
 VLAN Segmentation
• Ensure proper VLAN routing in place
• Impacts VDI VMs
• Impact client endpoints
 Dynamic DNS Registration
• Required for View to function effectively
• Facilitates communication between, Brokers, VMs, Agents & Client Endpoints
 Load Balancers
• Advisable to have at least 2 Brokers with Load Balancing for fault tolerance

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Application Deployment
 ThinAppTM
• Can reduce Parent VM footprint
• Improves agility of desktop environment
 Image Installs versus Application Virtualization
• Initial deployment may be in VMs
• Network Shares versus Local
• Reduces need for user association with a specific VM
 Special %AppData% Considerations
• Local Disk (Outlook Requirement)

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User Profiles
 Existing Profile Management Solution
• Determine if current solution extends naturally to VDI
 Profile Size
• Large profiles can impact end user experience
 Use of Folder Redirection or 3rd Party Profile Redirection
• Folder redirection reduces profile size
• Try to utilize technology that streams profiles

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Endpoints
 Thin versus Thick
• Thin Clients usually have longer hardware lifecycle
• Repurposing old PCs reduces upfront cost
 PCoIP Hardware Implementations
• Understand vendor specific requirements
 Endpoint Management
• Endpoints will still need securing, patching

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Endpoints (continued)
 Peripherals
• Printers
• ThinPrint greatly reduces need for printer management
• USB Devices or Dongles
• Full View client provides more USB options
• Proximity Cards/Smart Cards/Authentication Tokens
• Verify support & test extensively

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Ingress Considerations
 Load Balancers
• Advisable to have at least 2 Brokers with Load Balancing for fault tolerance
 Static (LAN)
• While ideal, consider impact of:
• Display protocol
• Placement of supporting infrastructure
 ROBO (WAN)
• Display protocol & baseline testing important
 Mobile Users (Broadband)
• Determine best access method and display protocol
• VPN infrastructure usually already exists
- Many vendors offer View integration
• Security Servers
- Offloads encryption/decryption, reduces VPN license costs

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Ingress Considerations (continued)
 Protocol Considerations
• Use Case Based
• PCoIP versus RDP
• HP Remote Graphics Software (RGS)
• View client supports RGS for access to HP systems
• Saturation Impact
• Test impact of different protocols in your environment

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BC/DR Considerations
 Infrastructure Backup
• vCenter, Composer databases
• ADAM on Connection Brokers
 Backup of Parent VMs/Master VMs
• Dynamic nature allows rapid recovery
 Backup of User Data Disk/Profile Redirection Folders
• Allows for full BC.DR capabilities for the desktop
 Individual Desktop VMs
• Centralized infrastructure allows for better traditional backup capability

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Baseline/Assessment/Monitoring
 What Tools Are Used Now?
• Determine if current tools extend well to virtual desktops
 Determine Metrics and Performance Requirements
• Requirements often vary based on Lines of Business
 Develop Baseline Metrics per Line Of Business (LOB) Based on
User Experience
• Create baselines to determine alignment with project goals

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Conclusion
 Ongoing success with VDI requires:
• Understanding the impact various technologies have on each other
• Understanding the changes brought about by desktop virtualization
• Understanding the impact on People, Processes and Technology

Vmware desktop virtualization strategy assessment workshop presentation

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