© 2009 VMware Inc. All rights reserved

Confidential

Virtualization & Cloud Computing

Marianna Tessel

VP of R&D, VMware

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What is Virtualization?

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What is virtualization?

Virtual –

“Existing or resulting in essence or effect though not in actual fact, form, or name”

“That which is not real”

In the computer industry –

Abstraction of computer resources

Separation of a service request from the underlying physical delivery of that service (examples – Virtual Memory)

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Not a new concept

60’s-70’s - IBM implemented virtualization as a way to logically partition mainframe computers into separate virtual machines. “Multitasking”. Fully leverage investment.

MIT – Project ‘MAC’

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Before

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After

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Types of virtualization

Hosted - A hosted architecture installs and runs the virtualization layer as an application on top of an operating system.

Bare-metal - a hypervisor (bare-metal) architecture installs the virtualization layer directly on the system.

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Which kind was it?

Hypervisor

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The difficulty of virtualization

OS runs in most privileged Ring 0

Running some sensitive and privileged instructions have different semantic when not

executed in Ring 0

Solution – binary translation

Virtualization takes over Ring 0

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Types of ‘Bare Metal’

Full virtualization - uses binary translation. Guest OS is fully abstracted and not aware.

Paravirtualization / OS assisted virtualization – OS modified and aware. Improved performance. Poor compatibility.

Hardware assisted virtualization – hardware adds a virtualization layer below Ring 0, removing need for binary translation (Root Mode)

Full virtualization is the leading technology today. HW assisted is likely lead the future.

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Benefits of virtualization

Key attributes – Abstraction & Encapsulation

Encapsulation

• VMs can be described in a file

• Make it possible to ‘snapshot’

• Make it possible to move

Usage

• Run multiple Operating Systems; Run a legacy version

• Consolidation & use of unused computation power

• Resource management

• Availability & Disaster Recovery

• Create “Base Environment”

• Development and TestSimplification, Flexibility & Efficiency

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HW/SW Separation

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Features & Usage

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VMware Player

Create & Run Virtual Machines

Usage –

• Run multiple OSes

• Share a class exercise or a customer scenario

• Safely try new software

• What kind of virtualization is this?

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Virtualization solves a real problem

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VMotion – The ‘Killer feature’

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DRS: VMotion for Global Performance Optimization

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Heavy Load

Lighter Load

Imbalanced

Giant Computer

Balanced

Giant Computer

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PWRPWR

DPM: VMotion for Global Power Optimization

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APPsAPPsAPPsPWR

20% Average Power Savings

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Cloud

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vSphere

Virtualize – Simplify the Datacenter

The Datacenter

Virtualize everything – Servers, Storage, Network

Free apps from infrastructure

Dynamic optimization of resources

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Cloud

Abstract the technology infrastructure

The user doesn’t have to know

There is a compute power out there available for use

Flexible * Dynamic * On Demand * Efficient

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The Datacenter – Internal Cloud External Cloud(s)

vCloud: Bridging the Datacenter to the Cloud

vSphere

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What else?

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Building the giant Computer/Grid/Cloud/SW Mainframe

32 hosts

2,048 processor cores

32TB of RAM

3 Million IOPs

1,280 virtual machines

16PB of storage

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Security: VMsafe APIs

VMware ESX with VMsafe™

SecurityvService

App

OS

App

OS

App

OS

ALTORNETWORKS

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The Datacenter The Desktop

Desktop as a service

vSphere

ThinClients

Remote Display Protocol

Client Hypervisor ThickClients

ThinClients

ThickClients

Provision to people, not devices Centralized management

Benefit from vSphere DR, Security, Consolidation, …

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Another Type of Client

to Mobile Personal Computerwith the Associated Challenges

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VMware Mobile Virtualization Platform (MVP)

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Conclusion

vClient

Desktop as a

Service

vCloud

Choice & Cloud

Federation

vSphere

Foundationfor the Cloud

HPC?

Virtual Super-

computer

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Thank You