Centralizes Computing and Storage in a physically remote location from the User. It requires network connectivity to access and utilize data.
The Cloud brings together an on demand shared infrastructure of servers, storage, applications, and services. It requires access to Network/Internet connectivity and enough bandwidth to limit latency and enable seamless use.
The major benefits of Cloud are:
2 major Drawbacks to the Cloud are:
Example: Credit card purchases fail to authorize when the network is down
Example: Slow speed may make videos unwatchable or take hours to download
2. 3rd party dependent for adds, moves and changes
SaaS Software as a Service is the licensing of software that is not downloaded to the device but accessed via a network and a remote host. Sometimes an App provides easy access.The business model is either subscription, metered or advertising supported. It is a One to Many delivery platform.
Infrastructure as a Service is the virtualization of hardware and software to enable companies to host and store their applications as if they were resident on their own systems. Amazon (AWS), Google, and Microsoft (Azure) are leaders in this area.
PaaS Platform as a Service enables applications developers and coders to quickly access, execute and manage applications without having to purchase and maintain expensive infrastructure such as Data Center Space, Storage, Cooling, and Operating Systems. and It is utilized for App Development and is particularly effective in team environments and when working with multiple companies. Google’s App engine and Microsoft Azure are leaders.
Privacy and ownership of Information
How to evaluate cloud vendors