Impact in software maintenance

1. Impact in Software Maintenance

2. What is Cloud
Computing?

 Is an expression which describe a variety
of computing concepts that involve a large number
of computers connected through a real-time
communication network such as the Internet.
 is a synonym for distributed computing over a
network, and means the ability to run a program or
application on many connected computers at the
same time.

3. Shares characteristics with?

 Client-Server Model:
 Grid computing
 Main frame computer
 Utility computing
 Peer-to-peer
 Cloud gaming

4. Types of Cloud delivery
models??

 IaaS-Infrastructure as service; server, storage and network
hardware. Eg, Amazon EC2, Azure Services Platform, DynDNS,
Google Compute Engine, HP Cloud, iland, Joyent, LeaseWeb,
Linode, NaviSite, Oracle Infrastructure as a Service, Rackspace
Cloud, ReadySpace Cloud Services, ReliaCloud, SAVVIS,
SingleHop, and Terremark
 PaaS-Platform as service; App development and Deployment
platform. Eg,AWS Elastic Beanstalk, Cloud Foundry, Heroku,
Force.com, EngineYard, Mendix, OpenShift, Google App Engine,
Windows Azure Cloud Services and OrangeScape.
 SaaS- Software as service; Application delivered to end user. Eg,
Google Apps, Microsoft Office 365, Onlive, GT Nexus, Marketo,
and TradeCard.

5. Impact in s/w
maintenance???

 Cloud computing is a natural evolution of the widespread
adoption of virtualization, service- oriented architecture, and
utility computing.
 With the cloud model, you LOSE CONTROL over physical
security. In a public cloud, you are sharing computing
resources with other companies.
 Cloud applications UNDERGO CONSTANT FEATURE
ADDITIONS, and users must keep up to date with application
improvements to be sure they are protected.
 Stored data might not be secure and data may be lost.

6. Goal???

 is to allow users to take benefit from all of these
technologies, without the need for deep knowledge
about or expertise with each one of them.
 Unlimited storage capability
 Improved performance.
 Device independence

7. 
 THANK YOU