SaaS (Software as a Service) is an application delivered over the internet and mainly operated by its provider, commonly by subscription. The customer avoids running application infrastructure but retains responsibilities for users, permissions, configuration, devices, data and compliance. Updates, availability, retention and backup depend on contract and design and should not be assumed. Before adoption, teams should review data location and export, authentication, integration, logging, recovery, limits, portability and exit. They should also know what happens when connectivity fails or the subscription ends. Total cost includes licences, implementation, integrations, training and governance, not only the advertised fee. Provider status does not prove that the configured tenant, customer data or business process is healthy.
IT glossary
SaaS (Software as a Service)
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