History of cloud computing

History of Cloud Computing

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Flash Back

• Evolved over a period of time

• Roots traced back to Application Service Providers in the 1990’s

• Parallels to SaaS• Evolved from Utility

computing and is a broader concept

3

A Short History of Cloud Computing

Amazon EC2(August 2006)

Google App Engine(April 2008)

Microsoft Azure(Oct 2008)

Facebook Platform(May 2007)

Amazon S3(March 2006)

SalesforceAppExchange(March 2006)

DefinitionBuilding on compute and storage virtualization technologies, and leveraging the modern Web, Cloud Computing provides scalable and. affordable compute utilities as on-demand services with variable pricing schemes, enabling a new consumer mass market

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Agility – On demand computing infrastructure

Linearly scalable – challenge

Reliability and fault tolerance

Self healing – Hot backups

SLA driven – Policies on how quickly requests are processed

Multi-tenancy – Several customers share infrastructure, without compromising privacy and security of each of the customer’s data

Service-oriented – compose applications out of loosely coupled services. One service failure will not disrupt other services. Expose these services as API’s

Virtualized – decoupled from underlying hardware. Multiple applications can run in one computer

Data, Data, Data

Distributing, partitioning, security, and synchronization

Characteristics

So take the plunge or rather the flight to the clouds!

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