Chapter 16
SaaS
-TAMU pays google for emails -salesforce -workday
IaaS example
-amazon web service (AWS)
Cloud Drive Advantage
-automatically backs up info
PaaS Advantages
-business organizations can contract Cloud services to replace many things -business can save costs/complexity -pay less IT people -can scale up PaaS -not for every business
Platform as a service (PaaS)
-cloud provider supplies computer platform like windows through the internet -programming applications, database, web servers provided -amazon elastic beanstalk -force.com -googles app engine
DAAS
-data as a service
AWS
-downdetector tracks outages
Private Cloud
-government -also private/hybrid clouds
Cloud
-helps businesses save money
Infrastructure as a Service (IaaS)
-main category of Cloud Computing -using your own computer at home to connect to another computer and its resources -windows azure and google compute engine -supply hardware/software/storage/servers all connected via the internet -on demand -can use pay as you go model -dont have to buy new computers
NASDAQ
-moving to AWS
Cloud Drive Disadvantage
-not available without internet -info is somewhere on the internet
Software as a Service (Saas)
-on demand software -CSP installs/operates application software in the cloud that a user can use -makes a cloud user truly mobile -eliminates need to install/run application software on users own computer -Apache's Open Office has everything Microsoft Office has
PaaS
-pay for a place to develop apps
Cloud Service provider (CSP)
-provide automatic backup -can access your data/info stored on their cloud -customers must agree to terms of service before putting data on cloud -google -microsoft -amazon -icloud -egnyte -opendrive -dropbox
Storage as a Service (StaaS)
-storing/renting space from a CSP -less expensive than buying storage devices -requires business to increase its bandwidth to access the cloud
Cloud Drives
-used to be called idrives or internet drives -internet used to be too slow to store/back up certain data and info -hard drives in the cloud
Cloud
-using computer resources like hard drive or software that exists on another computer connected by a network -using another computers resources
