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Logical Architecture

API gateway with developer portal, integration runtime, and identity services, integrated with observability and data stores.

Architecture Diagram

Platform HA Logical ArchitectureAPI ManagementIntegrationIdentity & Security / ObservabilityGateway (Edge)Traffic, policies, rate limitsPublisher / Dev PortalDesign, publish, discoverMicro IntegratorMediation, connectorsMessage / Event FlowsQueues / Streams / ETLIdentity ServerOIDC, SAML, MFAObservabilityOTel → Prometheus/Grafana/ELKDatabases / CachesRDBMS, Redis, etc.

Architecture Overview

  • API Management Layer: Centralized gateway for all external and internal API traffic
  • Integration Layer: Message routing, transformation, and protocol mediation services
  • Identity Layer: Unified authentication and authorization across all platform services
  • Data Layer: Persistent storage with high availability and backup strategies
  • Observability Layer: Comprehensive monitoring, logging, and distributed tracing

Key Design Principles

  • Separation of Concerns: Clear boundaries between API, integration, and identity functions
  • High Availability: No single points of failure, automated failover capabilities
  • Scalability: Horizontal scaling support for all critical components
  • Security by Design: Zero-trust architecture with comprehensive audit trails
  • Operational Excellence: Automated deployment, monitoring, and maintenance procedures

Implementation Notes

This blueprint provides vendor-neutral guidance that can be adapted to various technology stacks. The patterns and principles shown here apply whether you're using cloud-native solutions, enterprise platforms, or open-source alternatives.

Technology Flexibility: While the logical architecture remains consistent, you can implement these patterns using different technologies based on your organization's requirements, existing investments, and operational preferences.