Rachel Love / Solution Architecture

Reference catalog

Architecture Components

A reusable capability catalog. Each component states its role and which case studies apply it, so designs are assembled from a consistent vocabulary rather than reinvented per engagement.

Capabilities

Component catalog

Identity & Access

Establish who or what is making a request and what they may do.

  • Workforce identity provider

    Authentication, MFA, SSO for people.

    Secure Cloud MigrationZero-Trust Enterprise Access

  • Conditional access policy layer

    Authorization using role, device, and risk signals.

    Zero-Trust Enterprise Access

  • Privileged access service

    Just-in-time elevation with approval and session capture.

    Zero-Trust Enterprise Access

  • Workload identity federation

    Short-lived credentials for service-to-service calls.

    Zero-Trust Enterprise AccessResilient Data & Application Platform

Network & Connectivity

Control reachability and define trust boundaries between tiers.

  • Edge / web application firewall

    Inspected, rate-limited public ingress.

    Secure Cloud MigrationResilient Data & Application Platform

  • Load balancer

    Health-checked distribution across zones.

    Secure Cloud MigrationResilient Data & Application Platform

  • Segmented subnets

    Public edge, private application, private data zones.

    Secure Cloud Migration

  • Private service endpoints

    Platform access without internet egress.

    Secure Cloud MigrationResilient Data & Application Platform

Application Services

Run business logic in scalable, replaceable units.

  • Presentation service

    Stateless web tier behind the load balancer.

    Secure Cloud MigrationResilient Data & Application Platform

  • API / service tier

    Internal service endpoints with scoped permissions.

    Secure Cloud MigrationResilient Data & Application Platform

  • Durable queue

    Buffers work and enables replay after failure.

    Resilient Data & Application Platform

  • Feature flag service

    Controls graceful degradation of non-critical features.

    Resilient Data & Application Platform

Data Services

Store, replicate, and serve data with integrity guarantees.

  • Managed relational database

    Primary transactional store with standby.

    Secure Cloud MigrationResilient Data & Application Platform

  • Read replica

    Offloads reporting and analytical reads.

    Secure Cloud MigrationResilient Data & Application Platform

  • Object storage

    Versioned attachment and artifact storage.

    Secure Cloud Migration

  • Cross-region replica

    Asynchronous copy supporting regional recovery.

    Resilient Data & Application Platform

Security Controls

Reduce the likelihood and blast radius of compromise.

  • Encryption in transit and at rest

    TLS everywhere plus managed key encryption.

    Secure Cloud MigrationZero-Trust Enterprise AccessResilient Data & Application Platform

  • Least-privilege roles

    Narrow, purpose-specific permissions per identity.

    Secure Cloud MigrationZero-Trust Enterprise Access

  • Pipeline security scanning

    Dependency, secret, and configuration checks pre-deploy.

    Secure Cloud Migration

  • Session monitoring

    Detects anomalous access behaviour.

    Zero-Trust Enterprise Access

Observability

Make system behaviour and failure visible quickly.

  • Centralized log store

    Application, platform, and audit logs with retention.

    Secure Cloud MigrationZero-Trust Enterprise AccessResilient Data & Application Platform

  • Metrics and tracing

    Golden signals correlated across services.

    Secure Cloud MigrationResilient Data & Application Platform

  • Synthetic monitoring

    Confirms customer journeys, not just component health.

    Resilient Data & Application Platform

  • SIEM integration

    Security detections from access and platform telemetry.

    Zero-Trust Enterprise Access

Resilience

Keep serving through failure and recover predictably.

  • Multi-zone deployment

    Independent failure domains for compute and data.

    Secure Cloud MigrationResilient Data & Application Platform

  • Automatic failover

    Standby promotion without manual intervention.

    Resilient Data & Application Platform

  • Backup vault with immutability

    Protects recovery points from deletion or corruption.

    Secure Cloud MigrationResilient Data & Application Platform

  • Restore testing automation

    Measures recovery time against the objective.

    Resilient Data & Application Platform

Secrets & Key Management

Remove durable credentials from code, images, and hosts.

  • Managed secrets service

    Runtime credential retrieval with rotation.

    Secure Cloud MigrationZero-Trust Enterprise Access

  • Key management service

    Encryption keys with separated administration.

    Secure Cloud MigrationResilient Data & Application Platform

  • Short-lived credential issuance

    Minutes-long tokens for workloads.

    Zero-Trust Enterprise Access

CI/CD

Make change repeatable, reviewable, and reversible.

  • Build and scan pipeline

    Signed artifacts with security gates.

    Secure Cloud Migration

  • Environment promotion

    Identical definitions from development to production.

    Secure Cloud MigrationResilient Data & Application Platform

  • Automated rollback

    Fast reversal of a failed release.

    Secure Cloud MigrationResilient Data & Application Platform

Governance

Keep decisions, risks, cost, and accountability explicit.

  • Architecture decision records

    Documented context, alternatives, and tradeoffs.

    Secure Cloud MigrationZero-Trust Enterprise AccessResilient Data & Application Platform

  • Risk register

    Tracked scenarios with mitigation, residual risk, and owner.

    Secure Cloud MigrationZero-Trust Enterprise AccessResilient Data & Application Platform

  • Cost governance

    Tagging, budgets, and anomaly review.

    Secure Cloud Migration

  • Access review process

    Periodic recertification of entitlements.

    Zero-Trust Enterprise Access