Module 12 — Migrating to the AWS Cloud

Status: ⬜ upcoming · Domain 1 (Cloud Concepts) · We'll deepen this and build a visual page when we study it.

AWS Cloud Adoption Framework (CAF)

Guidance for planning a cloud migration, organized into 6 perspectives: - Business · People · Governance (people/org side) - Platform · Security · Operations (technical side) - Benefits: reduce business risk · improve ESG/compliance · grow revenue · increase operational efficiency.

Migration strategies — the "6 R's"

Rehost — "lift and shift" (move as-is, fastest).
Replatform — "lift, tinker, and shift" (small optimizations, e.g. move DB to RDS).
Repurchase — drop and buy a SaaS replacement.
Refactor / Re-architect — rewrite for cloud-native (most effort, most benefit).
Retire — decommission what's no longer needed.
Retain — keep on-prem for now (not ready to move).

Data transfer / migration tools

AWS Snow Family — Snowcone / Snowball Edge / Snowmobile — physically ship large data when the network is too slow.
AWS DataSync — automated online data transfer to AWS.
AWS Transfer Family — SFTP/FTPS transfers into S3/EFS.
AWS Migration Hub — track migrations in one place. DMS — migrate databases (see Module 7).

Likely exam framing

"Plan an org-wide cloud adoption" → CAF (6 perspectives).
"Move app as-is, fast" → Rehost. "Minor tweaks during move" → Replatform. "Switch to SaaS" → Repurchase.
"Ship 100 TB, slow internet" → Snowball; petabytes/exabytes → Snowmobile.