2. Outlines:
Introduction
What is cloud computing?
Why cloud computing?
History
cloud components
service models
applications
advantages
disadvantages
3. Cloud computing, with broad-
ranging effects across IT,
Information Architecture,
Business, Software Engineering,
and Data Storage
Cloud computing refers to the
delivery of computing resources
over the Internet.
4.
5. Why cloudcomputing ???...
Cloud computing is user-centric
Cloud computing is task-centric
Cloud computing is powerful
Cloud computing is accessible
Cloud computing is intelligent
Cloud computing is programmable
6. HISTORY
Concept evolved in 1950 (IBM) called RJE (Remote Job Entry
process)
In 2006 Amazon provided first public cloud AWS (Amazon Web
Service)
7. CLOUD COMPONENTS
It has three components
1. Distributed servers
2. Client computers
3. Data centers
8. CLIENTS
Clients are the devices that the end user interact with
cloud.
Three types of clients
i. Mobile
ii. Thick
iii. Thin( most popular)
10. Data center
It is collection of servers
where application is
placed and is accessed via
internet
11. Service models
SaaS ( Software as a Service) : Required software,
operating system & network is provided
PaaS( Platform as Service): Operating system and
network is provided
IaaS( Infrastructure as a service): Just network is
provided.
12.
13. ADVANTAGES DISADVANTAGES
Storage and scalability
Backup and recovery
Mobility
Cost efficiency
IT innovation
• Control and reliability
• Security and compliance
• Compatibility
• Unpredicted costs
• Contracts and Lock - Ins