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Chapter 4 · Accelerate Workload Migration and Modernization·v2.0.0·Updated 6/3/2026·~11 min

What's changed: Deepened SAP-C02 Chapter 4 (added comparison tables, scenarios, FAQs, exam traps, deep-dive paragraphs to each section; localized figures to Japanese)

4.2Tools to Execute Migrations

Key points

Understand migration tools—Application Migration Service (MGN), DMS/SCT (DB migration), DataSync (online bulk transfer), the Snow Family (offline bulk), and Transfer Family. Choose by data type and connectivity.

Pick migration tools by what you move: servers = MGN, databases = DMS, files = DataSync, huge data over thin links = Snow.

4.2.1Choosing migration tools

Diagram organizing migration tools by target: servers/VMs = AWS Application Migration Service (MGN, continuous replication to rehost); databases = AWS DMS (near-zero-downtime migration; heterogeneous engines use the Schema Conversion Tool/SCT); online file/object transfer = AWS DataSync (fast incremental over the network); thin-link/huge offline transfer = AWS Snow Family (physical shipping via Snowball, etc.); ongoing file transfer = AWS Transfer Family (SFTP/FTPS).
Choosing migration tools
  • Application Migration Service (MGN): rehost servers via continuous replication (the workhorse for lift & shift).
  • DMS / SCT: migrate databases with minimal downtime; convert schemas for heterogeneous engines with SCT.
  • DataSync: transfer files/objects fast and incrementally over the network.
  • Snow Family: for thin links/huge data, offline transfer via physical devices. Transfer Family handles ongoing SFTP, etc.
Exam point

Common on SAP-C02: server lift & shift = MGN, DB migration = DMS, heterogeneous schema conversion = SCT, bulk online file transfer = DataSync, thin-link/PB-scale offline = Snow Family, ongoing SFTP = Transfer Family. Decide online (DataSync) vs offline (Snow) from bandwidth and deadline.

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