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OCP 4

!!! info "Architectural Context" Detailed reference for OCP 4 in the context of The Container Stack.

Standard Reference

Cloud Infrastructure

Kubernetes Distributions

Enterprise Platforms

  • (2026) ==OKD== [EN CONTENT] [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] [ENTERPRISE-STABLE] — OKD is the open-source upstream community distribution of Red Hat OpenShift, fully integrating containerized virtualization, developer tools, and operators. Built on Fedora CoreOS, OKD provides cloud architects with a platform-as-a-service engine optimized for continuous deployment and complex multi-tenant operations.

Service Mesh

Istio Mesh

  • Istio.io [EN CONTENT] [ADVANCED LEVEL] [DE FACTO STANDARD] — The premier open-source service mesh providing advanced traffic management, end-to-end security, and granular observability. Uses Envoy proxies (via sidecars or Ambient mode) to secure and manage microservice fabrics.

Red Hat Integrations

Cloud Native Infrastructure

Observability

Distributed Tracing

Jaeger Platform
  • jaegertracing.io [DOCUMENTATION] [DE FACTO STANDARD] [ENTERPRISE-STABLE] — The official gateway for Jaeger, a CNCF-graduated distributed tracing platform. Essential for microservice architectures to monitor transactions, perform root-cause analysis, optimize performance bottlenecks, and visualize complex request propagation paths.

Service Mesh (1)

Istio Distributions

Source Code
  • github.com: Maistra Istio 94 [ADVANCED LEVEL] [COMMUNITY-TOOL] — The official GitHub repository for Maistra's modified Istio control plane code. Optimized for multi-tenancy support, advanced security policies, and tight integration within OpenShift environments.

Observability (1)

Visualization
  • (2025) ==kiali.io== [DOCUMENTATION] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] [ENTERPRISE-STABLE] — The home portal for Kiali, the de facto standard visual console for Istio service mesh topologies. It aggregates Prometheus metrics, Jaeger traces, and Istio configurations to display active traffic flows, circuit breakers, and network health anomalies.

Data Architecture

Databases

PostgreSQL

  • (2025) learn.crunchydata.com 🌟🌟🌟 [COMMUNITY-TOOL] [GUIDE] — An interactive database training portal detailing progressive PostgreSQL configuration, clustering, and troubleshooting. Crucial for architects planning highly available, stateful cloud-native storage engines.

Enterprise Kubernetes

Red Hat OpenShift

Image Management

  • cloudowski.com: Openshift ImageStreams [COMMUNITY-TOOL] — A technical architectural review contrasting OpenShift ImageStreams with standard Kubernetes container registry integrations. It explains how ImageStreams abstract container images and automate rolling deployments on build mutations.

Secure Pipelines

Infrastructure Standards

Container Registry

Enterprise Platforms (1)

  • Quay.io [ADVANCED LEVEL] [ENTERPRISE-STABLE] — A highly secure, enterprise-ready container registry platform providing advanced geo-replication, vulnerability scanning via Clair, and multi-tenant authentication patterns. It integrates natively with Red Hat ecosystem tooling.

Open Source Initiatives

Platform Engineering

Site Reliability Engineering

Foundations


💡 Explore Related: OCP 3 | Kubernetes Operators Controllers | Openshift