1. Duncan Fraiser, Adam Gambrell, Lisa Schalk, Emily Williams

2. Overview of Presentation
Definition
History
Pros and Cons
Uses
Characteristics
Service Models

3. What is Cloud Computing?

4. What is Cloud Computing?
The practice of using a network of remote servers hosted on the Internet to store, manage, and process data, rather than a local server or a personal computer.

5. The Concept of Cloud Computing started in the 1950’s

6. Mainframe Computing seen as the Future of Computing
Cost efficient use of Expensive Equipment
Multiple Users
Dumb Terminals
Mainframe Computers

7. Cloud Computing Evolved from Mainframe Computers

8. 1970’s Virtualization Creating something Virtual rather than actual
Operating systems simultaneously in an isolated environment

9. 1990’s Virtualized Private Network Connections
Telecommunications companies started offering private networks
Leads to Current Uses

10. Pros and Cons of Cloud Computing

11. Pros of Cloud Computing
Allows for more focus on business and less on managing data centers
Ability to develop new applications faster.
Financially
Globally
Pros of Cloud Computing

12. Cons of Cloud Computing
Inconsistent Performance
Unsecure Beliefs
When the Cloud is Usable or Not
Cons of Cloud Computing

13. Characteristics of Cloud Computing

14. Cloud Computing Characteristics
On-Demand Self-Service
Broad Network Access
Resource Pooling
Rapid Elasticity
Measured Service 1. 2.
Cloud Computing
Characteristics 3. 4. 5.

15. On-Demand Self Service
It is there when you need it.
Computer resources can be quickly an easily configured by oneself without human interaction with service provider.
Provided resources include , applications, network or server service.

16. Broad Network Access Tablets Smartphones Laptops Office Computers

17. Resource Pooling Sharing/Maximizing Resources
The Cloud Service Provider manages all of the clouds physical resources.
Cloud Computing creates a pool of resources and they are securely allocated between all customers.

18. Example of Resources Virtual Processor Storage Network Bandwidth
Memory
Service

19. Rapid Elasticity You are able to get what you need.
Cloud is flexible and scalable to suit personal business needs.
Resources can be allocated and released to scale according to demand.

20. Measured Service You get what you pay for.
The resources usage can be monitored, controlled, and reported.
Allows for accountability for the provider and consumer.

21. Service Models Software as a service (SaaS)
Platform as a service (PaaS)
Infrastructure as a service (IaaS)

22. Service Models Management

23. Software as a service (SaaS)
Web-based, on-demand distribution model
Software is hosted and updated at a central site and does not reside on client computers/servers.
SaaS applications are hosted and run by service providers, saving the end user the upfront investment in software purchases and the ongoing upkeep and maintenance.

24. Software as a service (SaaS) Commercial Software
Web access to commercial software 
Software is managed from a central location 
Software delivered in a “one to many” model
Users not required to handle software upgrades and patches 
Application Programming Interfaces (APIs) allow for integration between different pieces of software

25. SaaS Costs
SaaS services could be FREE or billed through subscriptions or usage licenses.
Businesses use a pay-as-you-go method (typically monthly) for SaaS applications allowing them to save their capital for core business functions.
Free when there is opportunity to generate revenue from streams other than the user, such as from advertisement or user list sales

26. SaaS Benefits Financial Ease of Use
SaaS is subscribed to and not purchased.  The end users are offered less costly and more predictable monthly fees, with no large up-front capital expense.
Financial
SaaS applications can be easily accessed anywhere the Internet is available through a web browser, thus taking advantage of attributes like usability and innovation of the web.
Ease of Use

27. Installation Ease and Low Maintenance
SaaS Benefits
Server applications are hosted in a highly-available datacenter, minimizing the effects of power outages and Internet outages from incidents that affect local offices.
Uptime
Installation Ease and Low Maintenance
Upgrades and patches to latest versions take little time and reduce resource requirements.
Access Anywhere
Customers can connect to their applications anywhere with internet connection.

28. Where SaaS Makes Sense
“Vanilla” offerings where the solution is largely undifferentiated. A good example of a vanilla offering would include where many times competitors use the same software precisely because this fundamental technology is a requirement for doing business, but does not itself confer an competitive advantage
Applications where there is significant interplay between the organization and the outside world. For example, newsletter campaign software 
Applications that have a significant need for web or mobile access. An example would be mobile sales management software 
Software that is only to be used for a short term need. An example would be collaboration software for a specific project 
Software where demand spikes significantly, for example tax or billing software used once a month

29. Where SaaS May Not be the Best Option
Applications where extremely fast processing of real time data is required 
Applications where legislation or other regulation does not permit data being hosted externally 
Applications where an existing on-premise solution fulfills all of the organization’s needs
Where SaaS May Not be the Best Option

30. SaaS Examples

32. Platform as a service (PaaS)
Definition: provides a platform allowing customers to develop, run and manage Web applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app.

33. Pros of PaaS Automatic Updates Decreased Costs Assured Compatibility
Teams Can Collaborate From Afar
Pros of PaaS

34. Lock-In
Limited Scalability
Cons of PaaS

35. PaaS Examples

36. Infrastructure as a service (IaaS)
Definition: service model that delivers computer infrastructure on an outsourced basis to support enterprise operations.

38. Pros of IaaS Cuts Costs Scalability Easy Access
Pay-as-you-go model of payment
Pros of IaaS

39. Security
Vendor Outages
Cons of IaaS

40. IaaS Examples

41. Questions?