LEARN. PRACTICE. GROW.Concept and mechanism
A cloud proposal should start with the outcome the organization needs. Shorter delivery time, peak handling, and better recovery are different objectives with their own measures and costs. Counting migrated VMs shows execution; it does not demonstrate value. Compare current and target total cost, including people, licenses, networking, migration, and decommissioning. Variable consumption can increase flexibility and requires cost-control ownership. IaaS retains more system tasks within the team; PaaS transfers part of platform operations; SaaS delivers an application as a service. In every case, the organization still makes data and access decisions. Details depend on the service and agreement.
Guided application
In a fictional banking portal, hosting the interface in cloud while retaining the core on premises creates hybrid dependencies. Using two public clouds is multicloud; neither label proves resilience. Map data, authentication, and support paths. Regions and zones help separate failures, but two zones in one region are not a complete regional-loss strategy. IP identifies network endpoints and DNS resolves names; a stable name neither recovers data nor creates capacity. Distinguish bandwidth from latency: 40 sequential calls with 20 ms round trips accumulate 800 ms before processing. Finally, evaluate portability through an exit trial. Open source and open standards can help, but service dependencies, formats, and transfer costs still need assessment.
A 30% compute saving is not automatically a 30% total-cost saving.
Common pitfalls
Migration as benefit; hybrid as automatic recovery; bandwidth as latency; open source as proven portability.
Related topics: Data, analytics, and quality · AI, models, and bounded agents · Modernization, cutover, and RUN
Define the outcome, measure the baseline, and make dependencies and responsibilities explicit.
Reference: Well-Architected Framework · Exam guide launched August 12, 2026