Cloud Computing

1. -Ravinder Lohia
©Ravinder Lohia 29 December 2011 1

2. Individual Computing Cloud Computing
Having all applications software installed & data Having all applications software & data stored
stored in individual laptops, servers, desktops, at shared data center, where you will buy space
tablets, phones, etc. for you with security.
Each individual need to purchase licenses for Need to buy required applications with storage
applications software and install in personal space from shared data center.
computer.
In companies, individuals share documents, Team can work, modify, update together shared
files through Email, FTP or other means and documents, so within short time can have final
then other individual work on same and create version. Here they don’t need to send mail and
updated versions to have final version. then wait for reply.
Need to buy heavy storage as data increases, No need to buy heavy storage on personal
multiple versions of files occupy multiple space computer. Instead of occupying space in many
in many individual computers. E.g. if 100 computers, data is stored at one place. E.g. if
persons are working on 1 GB file, then here 100 persons are working on 1 GB file, then here
space required is 100 GB (1 GB X 100 Laptops). space required is 1 GB only at shared data
center.
Need to buy product Need to buy service (shared resource, software,
and information, data access, computation,
storage) from Data Center / Cloud Computing
solution provide.
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3. Individual Computing Cloud Computing
Can work on files without internet Need internet to work on shred files
Example- Example-
•Having personal Battery, Generator for power •Buying electricity from shared electricity
at home / office / factory for electricity. provider through cable having metered billing
•Maintain and upgrade as per requirement. system based on usage.
•No need to maintain and upgrade. As
requirement increases billing amount increases.
Each software have its own window when The form of web-based tools or applications
installed and run on computer. that users can access and use through a web
browser as if the programs were installed
locally on their own computers.
For Email- having MS outlook / Outlook For Email- Just use Web browser to access
Express / Mozilla Thunderbird installed on your email, e.g. hotmail, yahoo mail, gmail, etc.
computer.
Example- Need to install Bank application on Example- Currently Bank have private cloud /
each employee’s computer, and person will VPN (Virtual Private Network), and all employees
work independently and then will share data in branches all over world uses web browser to
with others. access and work on Bank application.
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4.  Playing games online, watching videos, hearing audios, accessing
information, online forms through web-browser
 You Buy Milk, not Cow.
 Keeping records or meetings, events, birthdays, anniversaries on online
Calendars from Google, Facebook, etc.
 User pay as per use of application and space.
 Companies who sell software to each individual will lose, as end-user need
to buy only basic operating system and web browser on personal computer.
 Messaging applications:- Email, Talk / Chat (Messenger), Groups and
Calendars
 Collaboration applications:- Documents, Web Sites, Video for business,
Accounting, Sales Tools and Applications, Reader, Blogger, Photo Albums,
Advertisements
 Business features:- Storage per user, Interoperability.
 Business security
 Business support and reliability:- Uptime guarantee SLA and support
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5.  Client- Laptop, Phone, Mobile, Tablet, Desktop
Computer
 Application- Cloud application services or "Software
as a Service (SaaS)" deliver software as a service over
the Internet, eliminating the need to install and run
the application on the customer's own computers and
simplifying maintenance and support.
 Platform- platform as a service (PaaS), e.g. Windows,
Android, Linux, etc.
 Infrastructure- Infrastructure as a service (IaaS)-
Supplies complete end-to-end solution (Client,
Application, Platform, Server Space)
 Server- Hardware & Software
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6.  Public cloud- for all.
 Community cloud- for several organizations
from a specific community with common
concerns.
 Hybrid cloud- composition of two or more
clouds (private, community, or public)
 Private cloud- for single organization.
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7.  Work Smarter :- Communicate, organize and
collaborate from anywhere.
 Communicate With Ease :-
Email, chat, messaging, phone, voice or video call
from a single interface.
 Organize Efficiently :- Plan meetings and projects
easily. View colleagues calendars. Schedule events
quickly. Smart Schedule.
 Collaborate More :- Share ideas, work faster and
innovate at speed. Work together in real time with
shared documents.
 Be Productive Anywhere :- Communicate, organize
and collaborate while mobile. Web applications
increase productivity
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8.  Cloud computing with google.com- For
Small, Medium Business, Enterprise
 www.softlayer.com : - Build your own cloud-
Linux & Windows Cloud hosting.
 http://www.ibm.com/cloud-computing/us/en/
 http://aws.amazon.com/ec2/
 And many more…
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9. Please provide feedback-
ravilohia@yahoo.com
Facebook & Linkedin
www.ravilohia.com
www.inpas.com
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