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クラウド移行アーキテクトキット

ワークロードを確実に移行：現状、ポートフォリオとアプリ別評価（7 Rs）、TCO、ランディングゾーン、ネットワーク、ハイブリッドとメインフレームの設計、移行ウェーブ、データ移行、カットオーバー。

ステップ 1

評価

  1. Current-State (As-Is) Assessment Template

    フル

    As-is baseline: applications, integrations, data, infrastructure, security (CSF 2.0), operations (DORA), quality, cost (FOCUS), contracts, findings, gaps

    TOGAF 10th Ed. (baseline, gap analysis names); AWS portfolio assessment; ISO/IEC 25010:2023; NIST CSF 2.0; DORA metrics; FOCUS 1.4

  2. Legacy Modernization Assessment Template (7 Rs)

    フル

    Portfolio inventory, value and health scoring, 7 Rs disposition, strangler fig plan, data migration, roadmap, costs and governance

    7 Rs (AWS Prescriptive Guidance); strangler fig pattern

  3. Application Migration Assessment Template (7 Rs, Per Workload)

    フル

    Workload profile, dependencies, data gravity, licensing, readiness, 7 Rs decision, target design, sizing, tests, cutover, rollback, cost before/after

    AWS Prescriptive Guidance 7 Rs; Microsoft CAF migrate; Google Cloud migration phases

  4. Total Cost of Ownership (TCO) Analysis Template

    フル

    Multi-year TCO comparison by cost category mapped to FOCUS 1.4, NPV discounting, unit economics, sensitivity, break-even, recommendation and FinOps handover

    FinOps FOCUS 1.4 (cost concepts)
ステップ 2

設計

  1. Cloud Landing Zone Design Template (AWS, Azure, Google Cloud)

    フル

    Principles, hierarchy diagram, identity and break-glass, hub-spoke and IP plan, guardrails, logging, policy as code, tagging, vending runbook, CIS mapping

    Azure landing zone design areas; AWS Control Tower multi-account guidance; Google Cloud landing zone design; CIS Benchmarks

  2. Network Architecture Design Template (Hub-Spoke, IP Plan, Hybrid DNS)

    フル

    Topology options, provider equivalents, IPv4/IPv6 plan, routing, hybrid link resilience, DNS, ingress/egress, segmentation, private endpoints, HA

    RFC 1918; RFC 6598; RFC 4193; AWS, Azure and Google Cloud reference network topologies

  3. Hybrid and Multicloud Architecture Template (Placement, Exit, Data Act)

    フル

    Drivers, patterns, placement criteria, cross-environment connectivity, identity federation, management plane, data portability, cost, exit plans

    Regulation (EU) 2023/2854 (Data Act) Chapter VI; Google Cloud hybrid and multicloud patterns

  4. Mainframe Modernization Design Template (COBOL, CICS, Batch, Data)

    フル

    Estate inventory, rules extraction, pattern per app, target mapping, CICS/IMS and batch design, EBCDIC and COMP-3 conversion, strangler increments, parallel run

    Strangler fig pattern (Fowler); AWS Transform for mainframe; Azure Architecture Center mainframe refactor guidance
ステップ 3

計画

  1. Cloud Migration Wave Plan Template (7 Rs, Cutover Runbook)

    フル

    Discovery, dependency map, 7 Rs dispositions, move groups and waves, gantt calendar, cutover runbook, rollback triggers, hypercare, KPIs, retrospective

    AWS Prescriptive Guidance 7 Rs and large migration phases; Microsoft CAF migration planning

  2. Data Migration Strategy Template (Mapping, Mock Loads, Reconciliation)

    フル

    Object inventory, profiling, cleansing, mapping, big bang vs phased vs trickle, load sequence, mock loads, reconciliation design, cutover steps, fallback

    DAMA-DMBOK2 Revised (2024) knowledge areas; SAP Activate and Dynamics 365 migration stages

  3. Cutover Plan and Runbook Template

    フル

    Cutover strategy, command centre RACI, entry criteria and freezes, rehearsals, T-minus timeline, runbook, go/no-go, point of no return, rollback, sign-off

    AWS large migration playbooks (T-minus gates); Dynamics 365 go-live checklist
ステップ 4

運用

  1. Cloud Cost Review Template (FinOps FOCUS 1.4)

    フル

    Cloud cost review on FOCUS 1.4: data basis, invoice reconciliation, charge categories, cost by service and team, unit economics, commitments, savings, tagging

    FinOps FOCUS 1.4; FinOps Framework 2026 (phases, domains, capabilities)

  2. Sustainability Architecture Assessment Template (SCI, ISO/IEC 21031)

    フル

    Boundary, functional unit, SCI method (E, I, M, R), factor sources, baseline, hotspots, levers, recomputed scenarios, trade-offs, targets, monitoring

    ISO/IEC 21031:2024 (SCI); GSF SCI 1.1.0; AWS, Azure and Google Cloud Well-Architected sustainability guidance; GHG Protocol scopes

  3. Hypercare Plan Template

    フル

    Post-go-live support: duration, support tiers and rota, daily cadence, severity targets, monitoring, known issues, triage, KPIs, exit criteria, handoff

    AWS Prescriptive Guidance (hypercare); Dynamics 365 implementation guide