Saas or software as a service is a cloud computing servoce in which cloud provider install set of applications on its cloud, business,clients use these software on monthly subscription or pay per usage.User has access those application which he subscribes or uses it according to its needs.









In traditional way business or client install these on its personal computer,laptops after purchasing software and its license,users or customer also take care of hardware compatiability, and also pay for updates or upgrades, but in SAAS user does not install any software or purchase or maintain it, it pay as it useses services.In saas all software and hardware is install are maintained by cloud provider,it provide necess ary infrastructure,platform,install software,license it,do update and upgrade ituser is only pay for using software as its requirement and pay according to it.User uses these services with web browser,email and online programming interfaces.

Saas is cost effective,flexible and has low maintenancebut gives less control to user, user only use the services but cannot configure it and also good internet connection is required if internet is slow user cannot complete its task or services are unavailable.

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