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