Open Source Cloud Computing:

Todd DeshanePostdoctoral Researcher at Clarkson University

Technology Evangelist for Xen.org

North Country Technology SymposiumMay 25, 2011

Practical Solutions For Your Online Presence

About Me

Born and raised in Northern New York

Graduate of Clarkson University

B.S. in Software Engineering (2003)

M.S. in Computer Science (2004)

Ph.D. in Engineering Science (2010)

Postdoctoral researcher at Clarkson

Telecommuting consultant

Technology evangelist for Xen.org

2

Outline

Cloud computing delivery models

Cloud computing deployment models

Managing your online presence

Cloud computing challenges

Cloud computing adoption

Future of cloud computing

Summary

3

cloudcomputingtopics.com

4

Delivery Models

Software as a service (SaaS)Web-based applications (Google, Facebook)

Platform as a service (PaaS)Software environments (Google App Engine,

Microsoft Windows Azure)

Infrastructure as a service (IaaS)Computing environments (Amazon Web Services,

Rackspace Cloud)

This presentation will focus on IaaS

5

IaaS Deployment Models

Public

Third party off-site service provider (Amazon Web Services, Rackspace Cloud)

Private

Virtualization running in your data center (OpenStack, Xen Cloud Platform)

Hybrid

Combination of public and private models

6

Managing Your Online Presence

Use an IaaS deployment model to:

Create an online presence

Expand and scale to meet demand

Amount of investment varies for each deployment model

Public

Private

Hybrid

7

Public IaaS

Only pay for exactly what you use (computing resources, storage, bandwidth)

No upfront hardware cost

Costs scale with increased demand

Opportunity to outsource IT services

8

Public IaaS - Examples

Amazon Web Services (AWS)

Elastic Compute Cloud (EC2)

Simple Storage Service (S3)

Rackspace Cloud

Cloud Servers

Cloud Files

9

Monthly Cloud Server Cost

Data from rackspace.com/cloud

10

15.5 GB RAM,620 GB Disk

256 MB RAM,10 GB Disk

256 MB RAM,10 GB Disk

15.5 GB RAM,620 GB Disk

Monthly Cloud Storage Cost

Data from rackspace.com/cloud

11

15 cents / GB / month

Monthly Outbound Bandwidth Cost

Data from rackspace.com/cloud

12

18 cents / GB / month

Monthly Inbound Bandwidth Cost

Data from rackspace.com/cloud

13

8 cents / GB / month

Private IaaS

Many free and open source software options available

No software cost

Leverage existing hardware infrastructure

Adjust resources with changing demand

In-house IT services

14

Private IaaS - Examples

OpenStack

OpenStack Compute

OpenStack Object Storage

OpenStack Imaging Service

Xen Cloud Platform (XCP)

Xen Hypervisor

Open vSwitch

Xen Management API (XAPI)

15

OpenStack Architecture

openstack.org

16

XCP Architecture

xen.org

17

Hybrid IaaS

Leverage existing private infrastructure while bursting and/or migrating into the public cloud

Carefully mix public and private cloud resources

Optimize public and private infrastructure costs

Selectively outsource IT services

18

Hybrid Cloud Architecture

cloudave.com

19

Cloud Computing Challenges

Privacy and security

Data stored on public servers

Malware protection outsourced

Availability and performance

Online service outages and backups

Content delivery networks or content distribution networks (CDNs)

Open standards

Image format compatibility

20

Cloud Computing Adoption

spiceworks.com

21

IaaS Adoption

gogrid.com

22

Future of Cloud Computing

Web-based operating systems

Google Chrome OS

Virtual desktop infrastructure (VDI)

Citrix XenDesktop, VMware View, Spice

Client virtualization

Citrix XenClient, Virtual Computer’s NxTop, Qubes OS

Desktop as a service (DaaS)

Combination of the above

23

Summary

Cloud computing delivery models are changing the way we think about software

IaaS (focused on in this talk) can be used to cost-effectively grow an online presence

Need to balance cloud computing tradeoffs

Cloud computing is becoming practical for businesses to adopt

The technologies are still new, but maturing

There is an exciting future ahead!24

Thank You

25