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Kit architecte cloud

Planifier et gouverner l'adoption du cloud : stratégie, modernisation, landing zone, zero trust, résilience, vagues de migration, revues Well-Architected et IA générative, FinOps et reprise.

Étape 1

Cadrage

  1. Cloud Adoption Strategy Template (Microsoft CAF, AWS CAF)

    Complet

    Motivations and outcomes, readiness, operating model, landing zone approach, 7 Rs portfolio, governance, skills, FinOps, roadmap, CAF mappings

    Microsoft Cloud Adoption Framework (7 phases); AWS CAF (6 perspectives); Google Cloud Adoption Framework

  2. Legacy Modernization Assessment Template (7 Rs)

    Complet

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

    7 Rs migration strategies; strangler fig pattern

  3. Total Cost of Ownership (TCO) Analysis Template

    Standard

    Multi-year TCO comparison of options by cost category, with NPV discounting, sensitivity, break-even and recommendation

Étape 2

Conception

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

    Complet

    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. Infrastructure Design Template (Infrastructure as Code)

    Complet

    Cloud infrastructure via IaC: environments, VPC/subnet CIDR plan, compute, storage, state, pipelines, IAM, tagging, DR, policy as code, cost

  3. Zero Trust Architecture Plan Template (NIST SP 800-207, CISA ZTMM 2.0)

    Complet

    ZT tenets, PE/PA/PEP architecture, deployment approaches, CISA ZTMM 2.0 maturity scoring by pillar and function, target state, roadmap, metrics, risks

    NIST SP 800-207 (2020); CISA ZTMM 2.0 (2023); NIST SP 1800-35 (2025)

  4. Multi-Tenancy Design Template (SaaS)

    Complet

    SaaS tenancy model (silo, pool, bridge), tenant context, data isolation, noisy neighbours, lifecycle, residency, cost per tenant

  5. Resilience and Load Shedding Design Template (Retries, Circuit Breakers)

    Complet

    Failure model, deadlines, retries with jitter and budgets, circuit breakers, bulkheads, backpressure, criticality-based shedding, degradation, fault tests

    Google SRE book ch. 21-22; Amazon Builders' Library
Étape 3

Planification

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

    Complet

    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
Étape 4

Vérification

  1. Cloud Architecture Review Template (Six Pillars)

    Complet

    Well-architected style review across six pillars: questions, current state, high/medium/none risk, improvement plan, sign-off

    Well-Architected pillar names (operational excellence, security, reliability, performance efficiency, cost optimisation, sustainability)

  2. Generative AI Well-Architected Review Template

    Complet

    Workload context, responsible AI and agentic preamble, six-pillar GenAI questions mapped to AWS GenAI Lens, findings register, improvement plan, re-review

    AWS Well-Architected Generative AI Lens (Nov 2025); Azure WAF AI workloads; Google Cloud WAF AI and ML perspective
Étape 5

Exploitation

  1. Cloud Cost Review Template (FinOps)

    Standard

    Cloud cost review by FinOps phase: spend by service and team, unit economics, anomalies, savings, commitments, tagging, actions

    FinOps Framework (phases)

  2. IT Disaster Recovery Plan Template (NIST SP 800-34)

    Complet

    IT disaster recovery plan: roles, contact tree, BIA with RTO/RPO/MTD, activation flow, recovery procedures, reconstitution, exercises

    NIST SP 800-34 Rev. 1