An overview on Cloud Computing.. !!

3. HARDWARE
INTERFACE NETWORK
DELIVERS
COMPUTING AS A
SERVICE
SERVICES STORAGE

4. RESPONSIBLE FOR
MAINTENANCE OF THE CLOUD
RESPONSIBLE FOR
DATA AND SERVICES
USES SERVICES PROVIDED

10. GRID CLOUD
Scalability Node & Site Node, Site & hardware
Payment Model Rigid Flexible
High Level Service Plenty of high level services Not yet defined
Architecture Service-oriented User chosen Architecture
Resource Sharing Collaboration Assigned resources not shared
Virtualization of data and Virtualization of hardware and
Virtualization
computing resources software platforms

12. Highly virtualized and standardized Simplified, more efficient IT and
infrastructures application management
Massive scalability Deliver more applications to large
number of users
Fault tolerant & highly reliable
Excellent service quality
Intra- & Inter-cloud load balance
Higher utilization at reduced cost
Instant application deployment
Time-to-market

13. Highly virtualized and standardized No need to install or update SW or
infrastructures HW; access from any browser
Massive scalability Unlimited use
Fault tolerant & highly reliable Always on
Intra- & Inter-cloud load balance Access from anywhere
Instant application deployment Many services to choose from

15. ‘Internet based applications’ are Absolutely
hosted on the cloud and offered as PAY PER USE
services to the end users delivered
through the browsers
The platforms used to ‘design’,
‘develop’, ‘build’ and ‘test’ RELIABILITY
applications are provided by the
cloud infrastructure
Delivery of ‘hardware’ (server, Storage &
storage, network) and associated computing
‘software’, as service. CAPABILITIY

17. shared Cluster
A cluster of
servers/blades that is
shared by many
applications or database
tenants.

18. shared Instance
A single database instance
across a cluster that runs
multiple database schemas
on behalf of multiple
application tenants.

19. dedicated Cluster
Some applications will be
large enough to use a
dedicated portion of the
hardware environment.
They share the same
components and capacity.

22. External
The infrastructure
organizations provide the
for implementing the cloud is
infrastructure and
controlled completely by the To meet the benefits
management required to
enterprise. of both approaches, newer
implement the cloud.
execution models have been
Typically, private developed to combine public
Applications and and private clouds into a
clouds are implemented in
storage are made available unified solution.
the enterprise’s data centre
over the internet and can be
and managed by internal
free or offered at a pay-per-
resources.
usage fee.

24. The Open Cloud Consortium (OCC) is a member-
driven organization that:
SUPPORTS THE DEVELOPMENT OF STANDARDS FOR CLOUD
COMPUTING AND FRAMEWORKS FOR INTEROPERATING BETWEEN
CLOUDS
DEVELOPS BENCHMARKS FOR CLOUD COMPUTING
SUPPORTS REFERENCE IMPLEMENTATIONS FOR CLOUD
COMPUTING

30. Authentication Attacks
Denial Of Service (DoS) Attacks
Man-In-The-Middle
Cryptographic Attacks
Side Channel Attacks

32. Business Executives IT Executives
• ANALYSE – cost, savings
1
• ASSIGN - responsibilities • LEARN – requirements & benefits
2 1
• LEAD - planning • INFLUENCE – by cloud benefits
3 2
• CHOOSE - providers • PREPARE – get organization ready
4 3
• DIVERSIFY – non-it specialists
5
• ENGAGE – regulations & policy
6