The document discusses different types of cloud computing including Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). It provides examples of each type and their main uses and benefits. The document also covers private vs public vs hybrid clouds and some security and legal issues related to cloud computing. It concludes that SaaS and IaaS are continuing to grow in popularity as more companies offer competitive prices for software solutions and organizations seek higher return on investment.

1. Mehmet Gonullu 2013©
mgonullu@gmail.com
http://www.mgonullu.com

2. A model for enabling
ubiquitous, convenient, on-demand
network access to a shared pool of
configurable computing resources
(e.g., networks, servers, storage, applicatio
ns, and services) that can be rapidly
provisioned and released with minimal
management effort or service provider
interaction (NIST, 2011)

3. Copyright Sam Johnson

4.  Software as a Service SaaS
 Platform as a Service PaaS
 Infrastructure as a Service IaaS
 Other types: Database as a
Service, Desktop as a Service, Storage as
a Service…

5.  Software are hosted in the cloud
 No need for local software installation
 Main use: Email, CRM, Office Suites,…
 Examples: Google Apps, Office
365, Amazon Web Services, Salesforce…
 Benefits: Fast Deployment, Flexible
Customization

6.  Hardware and Software facilities provided
to develop web applications
 Main Use: Development Environment, web
servers, Databases,…
 Benefits: Remove the cost of maintaining a
local development environment, faster ROI
for new software startup
 Examples: Google App
Engine, OpenStack, Windows Azure

7.  VirtualDatacenter components are
provided eg. Virtual Machines, Virtual
Networks, Storage,…
 Main Use and benefits: Elastic Resource
Provisioning, On demand scaling
capabilities, Out of the box Computing
resources
 Example: Amazon EC2, Rackspace,…

8.  Private cloud: in-house managed cloud
intended for a single enterprise use
 Public cloud: Used by cloud services
providers
 Community cloud: group of private clouds
shared between 2 or more organization
 Hybrid Cloud: a combination of clouds
from the above types

9.  Data Protection over the cloud
 Availability of cloud computing providers
 Legalization
 Security Standards are held with providers

10.  SaaS remains the fast growing one with
more companies offering competitive
prices for enterprise software solutions
 IaaS is also continuing to grow with IT
outsourcing booming and organizations
looking for higher ToC and ROI.
 PaaS is allowing more startups to appear
and pursue their places with big players

11.  NIST http://csrc.nist.gov/publications/nistpubs/800-
145/SP800-145.pdf
 Wikipedia: http://en.wikipedia.org/wiki/Cloud_computing
 TechTarget:
http://www.computerweekly.com/news/2240089111/Top-
five-cloud-computing-security-issues
 Cisco: http://blogs.cisco.com/smallbusiness/the-top-5-
security-risks-of-cloud-computing/
 Technet:
http://blogs.technet.com/b/privatecloud/archive/2012/04/0
4/what-is-infrastructure-as-a-service-iaas.aspx