Software as a Service (SaaS)
SaaS delivers ready-to-use applications over the internet, managed largely by the provider.
Learning objectives
Work through each idea below. Use Listen to hear the explanation — pick a voice next to Listen anytime (Sophia is the default).
- SaaS
- Customers manage users, access, data, and configuration—not infrastructure.
- Examples
- Least operational overhead of IaaS/PaaS/SaaS; least infrastructure flexibility.
- Shared responsibility still applies
- Subscription licensing is common rather than paying for raw VMs by the hour.
SaaS
Speed
complete application delivered as a service; provider manages most of the stack.
Customers manage users, access, data, and configuration—not infrastructure.
Speed
Customers manage users, access, data, and configuration—not infrastructure.
Examples
Speed
Microsoft 365, Dynamics 365, and many hosted productivity or CRM apps.
Least operational overhead of IaaS/PaaS/SaaS; least infrastructure flexibility.
Speed
Least operational overhead of IaaS/PaaS/SaaS; least infrastructure flexibility.
Shared responsibility still applies
Speed
you protect identities, devices, and data usage.
Subscription licensing is common rather than paying for raw VMs by the hour.
Speed
Subscription licensing is common rather than paying for raw VMs by the hour.