Why Cloud Computing

Whatis Cloud Computing?
An internet based computing environment where you pay only for the resources used.
A set of pooled computing resources delivered over the internet.
Resource allocation can be adjusted.
Look to the cloud!
Pay for the bandwidth and server resources that you need. When your push is done then turn the whole thing off!

Why Cloud Computing?

SaaS
Software as a Service
PaaS
Platform as a Service
LaaS
Infrastructure as a Service

SaaS
Software as a Service

Software delivery model
SaaS

Examples
SaaS

PaaS
Platform as a Service

Platform delivery model
PaaS

Popular services
PaaS

Examples
PaaS

IaaS
Infrastructure as a Service

Computer infrastructure delivery model
IaaS

Examples
IaaS

Advantages
SaaS
PaaS
IaaS

Cloud Computing Offerings

Bare Operating System- RackspaceCloud
http://www.rackspacecloud.com/
Provides various Linux Distributions
Also support “Sites”
Web server, both Linux and Windows
O/S Managed by hosting service
Cloud Offerings Examples

Web or Portal Infrastructure- Microsoft
SharePoint Online
Rich Portal Capabilities
Excel Services
Forms Services
Visio Services
Access Services
Business Data Services
Search Services

Applications- Google Apps
http://www.google.com/apps
Pre-built, fully functional applications
Mail
Calendar
Word Processing
Dynamic Web Pages etc.

Web Services- Amazon
http://aws.amazon.com
EC2- Elastic Compute Cloud
S3- Simple Storage Service
Resizable Compute Capability
Auto Scaling- allocate resources based on definable conditions
Development Environments:
IBM sMash
Jboss Enterprise Application Platform
Ruby on Rails

Database- Zoho’sCloudSQL
http://www.zoho.com
Cloud based Relational Database
IBM- Cloud Management Tools
Services, Security and Storage management
Microsoft- Azure
Cloud APIs
Resource Management
Resource Abstraction
Claims based Authentication

Conclusions
Cloud Computing holds some strong promises
Highly Scalable
Highly Available
Dynamically allocate resources
Pay only for resources that you use
Cloud Computing is not yet well understood
Cloud Computing is still in its infancy

Examples of usage
Resizable Compute Capability

Examples of usage
SaaS
Your current CRM package is not managing the load or you simply don’t want to host it in-house….use a SaaS provider such as Salesforce.com
Your email is hosted on an exchange server in your office and it is very slow…outsource this using Hosted Exchange.

Examples of usage
You need to host a large file (5Mb) on your website and make it available for 35,000 users for only two months duration. Use Cloud Front from Amazon.
You want to start storage services on your network for a large number of files and you do not have the storage capacity…use Amazon S3.
PaaS

Examples of usage
You want to run a batch job but you don’t have the infrastructure necessary to run it in a timely manner. Use Amazon EC2.
You want to host a website, but only for a few days. Use Flexiscale.
IaaS

QUESTIONS

Why Cloud Computing

by Adil Ansari

Accessibility

Categories

Upload Details

Usage Rights

Statistics