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Cloud Computing Beginner

What is SaaS (Software as a Service)?

A cloud delivery model where software applications are hosted and managed by a provider and accessed by users over the internet.

SaaS is the most common cloud service model where complete applications are delivered over the internet on a subscription basis. Users access software through web browsers without installing or maintaining anything locally. Examples include Gmail, Slack, Salesforce, Dropbox, and Microsoft 365. The provider manages everything: infrastructure, platform, application code, updates, security, and availability. SaaS offers the lowest operational burden but also the least customization flexibility.

Related Terms

PaaS (Platform as a Service)
A cloud service model that provides a platform for developers to build, deploy, and manage applications without managing infrastructure.
SLA (Service Level Agreement)
A formal agreement between a service provider and customer defining guaranteed levels of service availability and performance.
Object Storage
A storage architecture that manages data as objects with metadata and unique identifiers, ideal for unstructured data at scale.
Elastic Load Balancing
An AWS service that automatically distributes incoming application traffic across multiple targets like EC2 instances and containers.
Edge Computing
A distributed computing paradigm that processes data near the source of generation rather than in a centralized cloud data center.
Serverless Computing
A cloud execution model where the provider manages servers and dynamically allocates resources, charging only for actual usage.
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