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SaaS Technical Architecture

1. Multi-Tenant Architecture and Its Benefits​

  • Shared Infrastructure:
    A single system manages multiple customers (tenants) simultaneously.

  • Efficient Resource Usage:
    Optimizes infrastructure costs and operational efficiency by sharing resources.

  • Data Isolation:
    Ensures strict separation of data between tenants to maintain security and privacy.

2. Basics of Authentication and Authorization (IDaaS, OAuth, OIDC)​

  • IDaaS (Identity as a Service):
    Cloud-based identity services that provide user authentication and identity management.

  • OAuth / OIDC:
    Industry-standard authentication protocols used to securely control access to resources.

3. Ensuring Availability and Resilience (Scaling, Redundancy)​

  • Scaling:
    Automatically adjusts system resources to accommodate traffic spikes and usage fluctuations.

  • Redundancy:
    Leverages multiple data centers and redundant components to minimize the risk of service outages.

4. Basics of Logging, Monitoring, and Alerts​

  • Logging:
    Records system events and errors to support issue analysis and root cause identification.

  • Monitoring:
    Continuously tracks the status of servers and applications to maintain optimal performance.

  • Alerts:
    Automatically notifies administrators of abnormal events to enable rapid troubleshooting.