1. CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Cloud Computing
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
C. Prakash
EMAIL
info@altacit.com System Administrator
WEBSITE
www.altacit.com 31 March, 2012

2. Definition
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Cloud computing is a general term for anything
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821 that involves delivering hosted services over the
BANGALORE
Suite 920, Level 9,
Raheja Towers,
Internet.
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
Cloud computing consists of hardware and
Coimbatore - 641018.
Tel: +91 - 422 – 6552921 software resources/services made available on
the Internet. These services typically provide
access to advanced software applications
(Software) and high-end networks of server
EMAIL
info@altacit.com
computers (Hardware).
WEBSITE
www.altacit.com

3. Cloud System Diagram
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
End User
Mylapore,
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
Internet/Cloud
EMAIL
info@altacit.com
WEBSITE
www.altacit.com

4. Before Cloud Computing
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Network Computer:
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Raheja Towers,
• Keeping processing with the servers.
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
• Keeping storage with the servers.
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921 • Keeping desktop state with the servers.
• Allowing “anywhere” (that is network
accessible) access to the desktop state.
EMAIL
info@altacit.com
WEBSITE
www.altacit.com

5. In Cloud Computing
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore, • Keeping processing (or just data) with the
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
servers. (Virtual Application).
Raheja Towers,
26-27, M G Road,
• Keeping storage away from the desktop -
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
(Virtual Storage).
• Allowing “anywhere” (that is network/internet
accessible) access to the processing.
EMAIL
info@altacit.com
WEBSITE
www.altacit.com

6. Examples
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
• Emails like Gmail, Yahoo Mail and
Tel: +91 - 44 - 2498 4821
Hotmail etc.
BANGALORE
Suite 920, Level 9,
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
• Social Networks like Facebook,
# 48, Race Course Road,
Coimbatore - 641018.
LinkedIn etc.
Tel: +91 - 422 – 6552921
• And also Blog, Discussion Forum etc.
EMAIL
info@altacit.com
WEBSITE
www.altacit.com

7. Cloud Computing Models
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
EMAIL
info@altacit.com
WEBSITE
www.altacit.com

8. Cont..
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Software-as-a-Service (SaaS)
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
In the software-as-a-service cloud model, the vendor
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001. supplies the hardware infrastructure, the software product
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
and interacts with the user through a front-end portal.
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
SaaS is a very broad market. Services can be anything from
Web-based email to inventory control and database
processing. Because the service provider hosts both the
EMAIL application and the data, the end user is free to use the
info@altacit.com
WEBSITE
www.altacit.com
service from anywhere.

9. Cont..
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Platform-as-a-Service (PaaS)
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Platform-as-a-service in the cloud is defined as a set of
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001. software and product development tools hosted on the
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
provider's infrastructure. Developers create applications
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921 on the provider's platform over the Internet. PaaS
providers may use APIs, website portals or gateway
software installed on the customer's computer.
EMAIL Example: Sun Systems, Microsoft Development
info@altacit.com
WEBSITE
www.altacit.com
Applications

10. Cont..
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Infrastructure-as-a-Service (IaaS)
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Infrastructure-as-a-Service like Amazon Web Services
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001. provides virtual server instance API) to start, stop, access
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
and configure their virtual servers and storage.
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
Example: Virtual Server, Virtual Storage
EMAIL
info@altacit.com
WEBSITE
www.altacit.com

11. Types of Cloud Computing
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
A cloud can be private or public.
Mylapore,
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821
A public cloud sells services to anyone on the Internet.
BANGALORE
Suite 920, Level 9,
Raheja Towers,
26-27, M G Road,
(Currently, Amazon Web Services is the largest public cloud
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
provider.)
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
Example: Gmail, Yahoo Mail etc.
A private cloud is a proprietary network or a data center that
supplies hosted services to a limited number of people.
EMAIL Example: A company with Payroll System, CRM system.
info@altacit.com
WEBSITE
www.altacit.com

12. Cont..
CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Raheja Towers,
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
EMAIL
info@altacit.com
WEBSITE
www.altacit.com

13. Advantages using Cloud
Computing
CHENNAI
3rd Floor, ‘Creative Enclave’, • Reduced Cost
148-150, Luz Church Road, Cloud technology is paid incrementally, saving organizations money.
Mylapore,
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821
• Increased Storage
BANGALORE
Organizations can store more data than on private computer systems.
Suite 920, Level 9,
Raheja Towers, • Highly Automated
26-27, M G Road,
Bangalore - 560 001. No longer do IT personnel need to worry about keeping software up to
Tel: +91 - 80 - 6546 2400
date.
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
• Flexibility
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
Cloud computing offers much more flexibility than past computing
methods.
• More Mobility
Employees can access information wherever they are, rather than
having to remain at their desks.
• Allows IT to Shift Focus
EMAIL
info@altacit.com No longer having to worry about constant server updates and other
WEBSITE
computing issues, government organizations will be free to concentrate
www.altacit.com on innovation.

14. CHENNAI
3rd Floor, ‘Creative Enclave’,
148-150, Luz Church Road,
Mylapore,
Chennai - 600 004.
Tel: +91 - 44 - 2498 4821
BANGALORE
Suite 920, Level 9,
Raheja Towers,
Thank You
26-27, M G Road,
Bangalore - 560 001.
Tel: +91 - 80 - 6546 2400
COIMBATORE
BB1, Park Avenue,
# 48, Race Course Road,
Coimbatore - 641018.
Tel: +91 - 422 – 6552921
EMAIL
info@altacit.com
WEBSITE
www.altacit.com