for financial reasons

for safety reasons

for security reasons

for synchronization reasons

Service Oriented Architecture

Service Oriented Application

Service Organized Architecture

Service Organization Agency

To change the content of the site to prevent it from providing further services

To distribute the content of the site to users who are denied access to its service

To infect the site to distribute a virus to users, which denies them access to further services

To lock users out of the site by exhausting the sites resources

Platform-as-a-Service

Software as-a-Service

Communication-as-a-Service

Security-as-a-Service

Measured service

On-demand self-service

Resource pooling

Software as a Service

ample client storage capacity

control of user identity

Service level agreements (SLAs)

sufficient bandwidth

a discount for customers changing their network provider

a discount for mobile connections based on the distance to the datacenter

to pay for a service after ending the contract

to pay for services based on their use

Virtualization means that data does not exist anywhere.

Virtualization is a method to combine more computing power onto one server.

Virtualization is a method to combine multiple computer environments onto one server.

Virtualization means that no real computer system is needed to distribute cloud solutions.

to automatically restart the system in case of a failure

to build up a back-up while the system is active

to switch over automatically to another system

to work on two systems at the same time

Amazon allows anyone with a credit card access to the service.

Amazon sells books, DVD’s and electronic equipment.

Amazon monitors the servers 24 hours per day.

Amazon is a company with publicly trade-able stocks.