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Deutschland Stack (D-Stack) -- English Reference

Primary source: deutschland-stack.gov.de Tech landscape: technologie.deutschland-stack.gov.de Source code: gitlab.opencode.de/dstack/d-stack-home

Publisher: Bundesministerium fur Digitales und Staatsmodernisierung (BMDS) -- Federal Ministry for Digital and State Modernisation


1. What Is the Deutschland Stack?

The Deutschland Stack is Germany's national sovereign technology platform for public-sector digitalisation. It is not just a technology catalogue -- it encompasses:

  • A Tech Stack of standards and technologies (the landscape CSV data).
  • Strategic and organisational frameworks (architecture principles, governance, criteria).
  • Implementation projects and products (the portfolio and roadmap through 2028).

The initiative is mandated by the 2025 coalition agreement ("Verantwortung fur Deutschland"), the Ministers-President Conference (Foderale Modernisierungsagenda, No. 205), the Digital Ministers' Conference, and a Federal Cabinet resolution. Standards and governance were to be established by 31 March 2026.

1.1 Strategic Pillars

From the Gesamtbild page:

  1. User Experience -- Intuitive, low-effort, continuously improved.
  2. Platform as Foundation -- Central platform delivery, automated operations, professional managed services.
  3. AI, Data & Standardisation as Enablers -- Active AI use for automation; standardised direct data exchange; technologically current solutions.
  4. Digital Sovereignty -- Preferential procurement from European markets; own components developed as open source; open interfaces and local data storage.

1.2 Architecture Principles

Principle Summary
API-First Open, well-documented interfaces on all stack elements.
Service-Oriented / Loosely Coupled Modular, independently replaceable components.
Reusability Quality-assured, reusable elements.
DevSecOps Only Integrated automated development, security, and operations.
Zero-Trust Flexible trust-building measures on all elements.
Technologically Current State of the art at all times.
Made in EU First Priority to products from EU member states.
Prefer Buy over Make Standard products procured from the market where possible.
End-to-End Digitalisation Fully digital, interoperable processes.
Managed Services Only Professional operational services on all elements.

1.3 Evaluation Criteria

Technologies are assessed (currently as guidance, not yet automated) against:

  • Digital Sovereignty -- Switchability between vendors; EU market preference; open source.
  • Interoperability -- API-first; open interfaces.
  • Future-Proofing -- Continuous updates; industry engagement.
  • Market Relevance -- Real products available; distributed vendor landscape.
  • Trustworthiness -- Security documentation; BSI compliance.
  • Sustainability -- Reusability; economic, ecological, and social factors.

1.4 Consultation Process

Two public consultation rounds have been held:

  • Round 1: Oct-Nov 2025. Broad feedback on strategy, criteria, and technologies.
  • Round 2: Jan-Feb 2026. Focused on the Gesamtbild and technology field priorities.

The landscape is explicitly described as an iterative, non-final selection -- not a binding or exhaustive catalogue.


2. Stack Layers (Schichten)

The Tech Stack is structured into seven layers. The landscape CSV currently only populates four of these with concrete technologies. The full layer model from the Aufbau page is:

Layer German Name Status in Landscape
Infrastructure Infrastruktur Populated
DevSecOps Entwicklung, Sicherheit und Betrieb Partially populated (as "Betrieb")
Platform Plattform Populated
Base Services Basisdienst Not yet in landscape
Applications & Services Anwendungen und Dienstleistungen Not yet in landscape
Surface & Access Oberflache und Zugang Populated (as "Zugang")
Strategy, Architecture & Governance Strategie, Architektur und Governance Not yet in landscape

Base Services (planned, not yet in landscape)

These are centrally-provided, reusable digital services:

  • Notification, Payment, Wallet (EUDI), Personal Dashboard (Cockpit)
  • Data Exchange, Geodata, Identity, Inbox
  • Seal, Signature, Certificate, Consent

DevSecOps (partially represented)

The landscape currently covers development languages/frameworks and CI/CD tools. The full model also includes:

  • Operations: Runtime, compute, storage, load balancing, forwarding
  • Managed Services: Monitoring, observation, logging, distribution, backup/recovery, service management
  • Security: Runtime security, encryption, security policies, credentials, access control

3. Technologies in the Landscape (Current)

The landscape CSV contains 129 technologies across four categories. 128 are "graduated" and 1 is "sandbox" (AG-UI).

3.1 Infrastruktur (Infrastructure)

Anschluss (Connectivity)

Technology Description
Bluetooth Ad-hoc / point-to-point wireless (incl. LE, Mesh, broadcast).
Ethernet (IEEE 802.3) Wired LAN connectivity.
Glasfaser (Fibre Optic) Backbone and last-mile optical fibre (ITU-T G-series).
Mobilfunk (Cellular / 3GPP) Mobile network connectivity (LTE, 5G) via SIM-based access.
WiFi (IEEE 802.11) Wireless LAN, ad-hoc, access-point, and mesh modes.

Transport

Technology Description
FTPS File transfer secured via TLS.
HTTP (incl. HTTP/2, HTTP/3) Hypertext transfer for web resources and APIs.
IMAPS Secure mailbox access (IMAP over TLS).
IPv6 Next-generation internet addressing.
JWT (JSON Web Tokens) Compact, self-verifying tokens for auth and data transfer.
MLS (Messaging Layer Security) End-to-end encryption for group messaging.
QUIC Connection-oriented, encrypted transport (UDP-based).
SIP (Session Initiation Protocol) Signalling for VoIP and multimedia sessions.
SMTPS Secure email relay.
TCP Reliable, ordered packet delivery.
TLS Encryption layer for data in transit.
UDP Lightweight, connectionless datagram protocol.

Verteilung (Distribution / Routing)

Technology Description
BGP Inter-AS routing for internet backbone.
DHCP Automatic IP address assignment.
DNS Hierarchical domain-name resolution.
IGP (OSPF, IS-IS etc.) Intra-AS routing protocols.
IPSec Network-layer VPN and encryption suite.
IXP OIX-1 Certification standard for Internet Exchange Points.
MAC (IEEE 802) Layer-2 addressing and medium access control.
MPLS Label-switched routing for carrier networks.
OSPF Link-state routing for enterprise IP networks.
SD-WAN (MEF 70.2) Software-defined WAN service framework.
Segment Routing (SR) Simplified source-routed forwarding.

3.2 Plattform (Platform)

Daten (Data)

Technology Description
Cassandra Column-family NoSQL database.
Chroma Vector database.
CKAN Open-data portal for cataloguing and publishing datasets.
CouchDB Document-oriented NoSQL database.
CSV Comma-separated values data format.
DCAT Vocabulary for describing datasets in catalogues.
HBase Column-oriented NoSQL (Hadoop ecosystem).
JSON Lightweight data interchange format.
Markdown Human-readable text markup format.
MariaDB Relational DBMS (MySQL-compatible fork).
Milvus Vector database for similarity search.
MongoDB Document-oriented NoSQL database.
MySQL Relational DBMS.
Neo4j Graph database.
Piveau Data management pipeline (ingest, aggregate, publish).
PostgreSQL Object-relational DBMS.
Qdrant Container-native vector database.
RDF Resource Description Framework for linked data.
Scylla High-performance column-family NoSQL (C++ Cassandra rewrite).
XML Extensible Markup Language.
YAML Human-friendly data serialisation.

Integration

Technology Description
Contour Kubernetes ingress controller (Envoy-based).
Docker Swarm Container orchestration built into Docker Engine.
Emissary Ingress Envoy-based API gateway and K8s ingress.
Envoy Proxy High-performance L7 proxy for microservices.
gRPC High-performance RPC framework (HTTP/2 + Protobuf).
GraphQL Flexible query language for APIs.
Istio Service mesh for microservices.
Kong API gateway / management platform.
Kubernetes Container orchestration platform.
NGINX Web server, reverse proxy, and load balancer.
Nomad Workload orchestrator (HashiCorp).
OKD (OpenShift Origin) Kubernetes distribution by Red Hat (community edition).
OpenAPI Specification for describing REST APIs.
Portainer Web UI for Docker/K8s management.
Rancher Multi-cluster Kubernetes management.
REST Architectural style for distributed systems.
SOAP XML-based protocol for web services.
Traefik Cloud-native reverse proxy and load balancer.

KI (Artificial Intelligence)

Technology Description
Angel-ML Distributed ML platform (parameter server architecture).
ANP (Agent Network Protocol) Decentralised agent-to-agent communication.
A2A (Agent-to-Agent Protocol) Cross-framework agent collaboration protocol.
AG-UI Agent-user interaction protocol. Sandbox maturity.
Axolotl LLM fine-tuning framework.
Haystack RAG / document-search pipeline framework.
HuggingFace Transformers Model hub + multi-framework inference/training.
LangGraph Graph-based agent orchestration framework.
MCP (Model Context Protocol) Standardised context delivery to LLMs.
MLflow ML lifecycle management (tracking, model registry).
ONNX Open model interchange format for neural networks.
PromptFlow LLM application development toolkit (Microsoft).
Pyro Probabilistic programming language on PyTorch.
PyTorch Deep learning framework.
RAGFlow Retrieval-Augmented Generation engine.
Robot Framework Test automation and RPA framework.
spaCy Industrial NLP library (Python).
TensorFlow ML/DL framework for training and inference.

LowCode

Technology Description
Appsmith Open-source internal tool builder (drag-and-drop + JS).
Budibase Low-code platform for internal business apps.
Joget Enterprise low-code/no-code with workflow engine.
n8n Workflow automation with 400+ integrations.
Node-RED Visual flow-based programming (popular in IoT).

3.3 Betrieb (Operations / DevSecOps)

Entwicklung (Development)

Technology Description
Angular Web application framework (Google).
C++ Systems programming language.
CSS Stylesheet language for the web.
Flutter Cross-platform UI toolkit (Google).
Go Language for cloud and network applications.
Java Platform-independent language (JVM).
JavaScript (ECMAScript) Dynamic web scripting language.
Next.js React-based full-stack web framework.
PHP Server-side web development language.
Python General-purpose / prototyping language.
R Statistical computing and data visualisation.
React Component-based UI library.
Rust Memory-safe systems programming language.
Selenium Browser automation and testing framework.
Swift Apple ecosystem app development.
TypeScript Statically-typed superset of JavaScript.

Inbetriebnahme (CI/CD & Deployment)

Technology Description
CircleCI CI/CD platform.
Flux GitOps Kubernetes synchronisation tool.
GitHub Actions CI/CD within GitHub.
GitLab Full DevSecOps platform with built-in CI/CD.
Jenkins Open-source automation server for CI/CD.
OpenKruise Advanced K8s workload management and deployment.
Spinnaker Multi-cloud continuous delivery platform.

Sicherheit (Security)

Technology Description
AES Symmetric block cipher.
ECIES Hybrid encryption (Diffie-Hellman + elliptic curves).
Kerberos Ticket-based network authentication (SSO).
ML-KEM Post-quantum key encapsulation (lattice-based).
OAuth 2.0 Delegated authorisation framework.
OIDC (OpenID Connect) Authentication layer on top of OAuth 2.0.
OTP One-time password for multi-factor auth.
RSA Asymmetric encryption and digital signatures.
SHA Cryptographic hash functions for integrity.

3.4 Zugang (Access)

Browser Engines

Blink (Chrome/Edge/Opera), Gecko (Firefox), WebKit (Safari).

Native Mobile OS

Android (Google), iOS (Apple).


4. Strategic Technology Fields

The Gesamtbild page defines seven priority technology fields and names specific standards for each. Critically, several technologies named here are not yet on the landscape CSV -- they represent the government's acknowledged roadmap. These are marked with an asterisk (*) below.

4.1 Agentic & Generative AI

Standards set:

  • MCP -- context delivery to language models
  • ANP + A2A -- agent-to-agent communication
  • AG-UI -- agent-user interaction
  • ONNX -- model interchange

Acknowledged future needs:

  • Agent monitoring and quality assurance standards
  • Model exchangeability (ONNX)
  • Training data reuse standards
  • Responsible AI (provenance, licensing, compliance)

4.2 Semantic Technologies & Real-Time Analytics

Standards set:

  • RDF, OWL*, SPARQL*, SKOS* -- linked data and ontologies
  • DCAT, OAI-PMH -- metadata exchange
  • JSON, XML, CSV -- data formats
  • ODF*, PDF/UA* -- document formats
  • SQL*, ODBC*, JDBC* -- relational data access

Acknowledged future needs:

  • Standards for vector, graph, document, and object-oriented storage
  • Data flow modelling and data integration standards
  • Harmonised semantics and taxonomies (XOV*, HL7*, SWIFT*)
  • Kafka* is explicitly mentioned for streaming analytics
  • ETL*, OLAP* for business intelligence
  • Dashboard* and IBCS* for visualisation

4.3 Virtualised Software-Based Infrastructure

Standards set:

  • MEF for SD-WAN definition
  • NFV* (Network Function Virtualisation)

Acknowledged future needs:

  • Software-Defined Storage (SDS*)
  • Hypervisor* management and virtual resource management

4.4 DevSecOps & APIs

Standards set:

  • Git* -- version control
  • CI/CD pipeline principles, IaC*, PaC* (Policy as Code)
  • Scanning, testing, and analysis mechanisms
  • Monitoring, logging, and observability mechanisms
  • Package management and distribution mechanisms
  • SBOM* -- software bill of materials
  • OWASP* -- security guidance
  • Kubernetes -- orchestration
  • REST, gRPC, GraphQL, MQTT* -- exchange protocols
  • OpenAPI -- interface description
  • IPv6, HTTPS, FTPS, SMTPS, QUIC -- assumed transport baseline

Acknowledged future needs:

  • Standards for load balancing, proxies, gateways
  • Service mesh and service discovery standards

4.5 Managed Services & Cloud

Standards set (by reference):

  • Deutsche Verwaltungscloud (DVC)
  • OpenStack*
  • Sovereign Cloud Stack (SCS)*
  • EVB-IT* (procurement framework)

4.6 IT Security

Standards set:

  • BSI IT-Grundschutz, BSI technical guidelines, C5 catalogue
  • AES, RSA -- encryption
  • OAuth, OIDC, JWT -- auth
  • OTP, ML-KEM -- multi-factor and post-quantum
  • Crypto-agility (key and algorithm rotation)

4.7 Workflow Automation (LowCode)

No specific standards named yet. Requirements:

  • External solutions callable from workflows without implementation effort
  • Modelled content must be exportable and portable across platforms
  • Runtime must work on various infrastructure environments

5. Gap Analysis

This analysis cross-references the landscape CSV against the strategic technology fields, the layer model, and broader public-sector requirements.

Gaps are classified as:

  • Roadmap gap -- acknowledged by the government as needed but not yet on the landscape.
  • Landscape gap -- not yet mentioned anywhere; should be considered.

5.1 IoT & Messaging Protocols

Status: MQTT is a roadmap item (explicitly named in Gesamtbild under DevSecOps & APIs). Not yet on the landscape.

Technology Type Rationale
MQTT v5 Roadmap gap Explicitly named in the Gesamtbild as an exchange protocol alongside REST, gRPC, and GraphQL. MQTT v5 (OASIS standard, ISO/IEC 20922) is the dominant pub/sub protocol for IoT, smart buildings, and industrial telemetry. Its absence from the landscape CSV is a clear omission that should be resolved promptly -- the government already endorses it.
AMQP 1.0 Landscape gap ISO/IEC 19464 standard for enterprise message queuing. Complements MQTT for backend event-driven architectures.
CoAP (RFC 7252) Landscape gap REST-like protocol for constrained IoT devices. Pairs naturally with MQTT in IoT deployments.
LwM2M (OMA) Landscape gap Device management for IoT sensor fleets. Important for smart-city infrastructure management.

5.2 Data Streaming & Event Processing

Status: Kafka is a roadmap item (explicitly named in Gesamtbild under Real-Time Analytics). Not yet on the landscape.

Technology Type Rationale
Apache Kafka Roadmap gap Explicitly mentioned in the Gesamtbild. De facto standard for event streaming and data pipeline backbones.
Apache Flink Landscape gap Stateful stream processing for real-time analytics. Natural complement to Kafka.
Apache Pulsar Landscape gap Multi-tenant, geo-replicated alternative to Kafka.
NATS Landscape gap Lightweight cloud-native messaging (CNCF incubating).

5.3 Observability & Monitoring

Status: The layer model explicitly lists "Beobachtung (monitoring, observation)" and "Protokollierung" (logging) under Managed Services. The Gesamtbild names "monitoring, logging, and observability mechanisms" as required. No specific products are on the landscape.

Technology Type Rationale
OpenTelemetry Landscape gap CNCF standard for traces, metrics, and logs. The unified observability API.
Prometheus Landscape gap Time-series metrics and alerting (CNCF graduated).
Grafana Landscape gap Visualisation and dashboarding for metrics/logs.
Jaeger / Zipkin Landscape gap Distributed tracing for microservices.
Fluentd / Fluent Bit Landscape gap Log collection and forwarding (CNCF graduated).
ELK / OpenSearch Landscape gap Log analytics and full-text search. Also covers the missing search-engine database category.

5.4 Infrastructure as Code & Configuration Management

Status: IaC is a roadmap item (Gesamtbild names "Infrastructure as Code" and "Policy as Code" as principles). No specific products on the landscape.

Technology Type Rationale
OpenTofu / Terraform Landscape gap Declarative infrastructure provisioning. OpenTofu is the open-source fork (Linux Foundation).
Ansible Landscape gap Agentless configuration management and automation.
Helm Landscape gap Kubernetes package manager. Essential companion to K8s which is already on the stack.
Pulumi Landscape gap IaC using general-purpose programming languages.

5.5 Software Supply Chain Security

Status: SBOM is a roadmap item (Gesamtbild explicitly requires it). OWASP is named as a guiding framework. Neither appears on the landscape.

Technology Type Rationale
SBOM (SPDX / CycloneDX) Roadmap gap Explicitly required by the Gesamtbild. Also mandated by the EU Cyber Resilience Act.
OWASP Roadmap gap Named in the Gesamtbild as a security guidance framework.
OCI (Open Container Initiative) Landscape gap The standard underlying Docker images and K8s container runtimes.
Sigstore / Cosign Landscape gap Container image signing and verification.
Notary / TUF Landscape gap Secure software update framework (CNCF graduated).
containerd / CRI-O Landscape gap Container runtimes Kubernetes depends on.

5.6 Version Control

Status: Git is a roadmap item (explicitly named in the Gesamtbild). GitHub Actions and GitLab are on the landscape, but Git itself is not.

Technology Type Rationale
Git Roadmap gap Named in the Gesamtbild as the version control standard. Should be on the landscape as a foundational tool.

5.7 Identity, Access Management & Zero Trust

The stack has OAuth, OIDC, Kerberos, JWT, and OTP. Zero-Trust is an architecture principle. But concrete zero-trust implementations are missing.

Technology Type Rationale
SAML 2.0 Landscape gap Still dominant in federated government SSO (eIDAS, ELSTER).
FIDO2 / WebAuthn Landscape gap Passwordless auth standard. EU is moving toward phishing-resistant MFA.
SPIFFE / SPIRE Landscape gap Workload identity for zero-trust (CNCF graduated). Aligns with the declared Zero-Trust principle.
Keycloak Landscape gap Open-source IAM/SSO server. Widely deployed in European government IT.
X.509 / PKI Landscape gap Certificate infrastructure. RSA and ECIES are listed but the cert framework itself is absent.

5.8 Semantic Web Standards

Status: OWL, SPARQL, and SKOS are roadmap items (named in Gesamtbild under Semantic Technologies). Not yet on the landscape.

Technology Type Rationale
OWL Roadmap gap Web Ontology Language. Named in the Gesamtbild alongside RDF.
SPARQL Roadmap gap Query language for RDF data. Named in the Gesamtbild.
SKOS Roadmap gap Vocabulary for knowledge organisation systems. Named in the Gesamtbild.

5.9 Document Formats

Status: ODF and PDF/UA are roadmap items (named in Gesamtbild). Not yet on the landscape.

Technology Type Rationale
ODF (Open Document Format) Roadmap gap Named in the Gesamtbild. ISO/IEC 26300 standard. Critical for government document sovereignty.
PDF/UA Roadmap gap Named in the Gesamtbild. Accessible PDF standard (ISO 14289). Required for barrier-free digital government.

5.10 Database Access Standards

Status: SQL, ODBC, and JDBC are roadmap items (named in Gesamtbild). Not yet on the landscape.

Technology Type Rationale
SQL Roadmap gap Named in the Gesamtbild. The stack lists SQL databases but not the query language standard itself.
ODBC / JDBC Roadmap gap Named in the Gesamtbild. Standard database connectivity interfaces.

5.11 Databases -- Time-Series, Search & Cache

The landscape covers relational, document, columnar, graph, and vector databases. The Gesamtbild acknowledges future need for standards in these areas but names no specific products.

Technology Type Rationale
TimescaleDB / InfluxDB Landscape gap Time-series databases for IoT, metrics, and audit logs.
Elasticsearch / OpenSearch Landscape gap Full-text search and analytics.
Redis / Valkey Landscape gap In-memory data store / cache. Valkey is the open-source fork.
etcd Landscape gap Distributed key-value store. Kubernetes itself depends on it.

5.12 European Sovereignty & Governance Frameworks

The stack mentions DVC, OpenStack, and Sovereign Cloud Stack in the Gesamtbild. EUDI Wallet appears in the Base Services layer. But broader European data sovereignty frameworks are absent.

Technology Type Rationale
Gaia-X Landscape gap European data sovereignty framework. Notably absent given German government co-leadership of the initiative.
IDSA (International Data Spaces) Landscape gap Data sovereignty architecture with German government backing.
Open Policy Agent (OPA) Landscape gap CNCF graduated policy engine. Aligns with the Policy-as-Code aspiration.

5.13 Edge Computing

Technology Type Rationale
KubeEdge Landscape gap CNCF project extending K8s to edge nodes.
K3s Landscape gap Lightweight Kubernetes for edge and IoT.
EdgeX Foundry Landscape gap Open-source IoT edge platform (Linux Foundation).

5.14 Virtualisation Standards

Status: NFV and hypervisor management are roadmap items (Gesamtbild). Not on landscape.

Technology Type Rationale
NFV (ETSI) Roadmap gap Named in the Gesamtbild for decoupling network services from hardware.
OpenStack Roadmap gap Named in the Gesamtbild alongside DVC and SCS.
Sovereign Cloud Stack (SCS) Roadmap gap Named in the Gesamtbild. German-led open cloud standard.

5.15 Other Notable Absences

Technology Type Rationale
Linux Landscape gap Android and iOS are listed as mobile OSes, but the dominant server and cloud OS is absent.
SSH / SFTP Landscape gap FTPS is listed but not SSH-based secure shell or file transfer.
WireGuard Landscape gap Modern VPN protocol (Linux kernel native). IPSec is listed but WireGuard is increasingly its successor.
Matrix Protocol Landscape gap Decentralised, E2E-encrypted messaging. Already adopted by the Bundeswehr (BwMessenger) and the French government (Tchap).
WebAssembly (Wasm) Landscape gap W3C standard for portable, sandboxed execution. Browser engines are listed but not Wasm itself.
DNS-over-HTTPS / DNS-over-TLS Landscape gap Encrypted DNS. DNS is listed but encrypted variants are absent.
S/MIME Landscape gap Email signing/encryption. Complements the listed SMTPS.
HTML Landscape gap The fundamental web markup language. CSS is listed but HTML is not.
WebRTC Landscape gap Real-time browser communication. Important for government video conferencing and citizen-facing services.

6. Maturity Distribution

From projects.csv:

  • Graduated: 128 technologies
  • Sandbox: 1 technology (AG-UI)

The near-uniform "graduated" status across technologies spanning 1977 (RSA) to 2025 (AG-UI, Spinnaker) suggests the maturity model would benefit from more granular staging. The Gesamtbild's layer model includes "accepted", "sandbox", "incubating", and "graduated" dates per project, but in practice nearly everything has been fast-tracked to graduated.


7. Summary

What the landscape covers well

  • Classical networking (TCP/IP, DNS, BGP, OSPF, TLS, QUIC)
  • Cloud-native orchestration (Kubernetes, Istio, Envoy, and multiple ingress controllers, service meshes, and API gateways)
  • Database diversity (relational, document, columnar, graph, vector)
  • Modern AI/ML tooling (PyTorch, TensorFlow, LangGraph, MCP, RAG, ONNX, agentic protocols)
  • CI/CD pipelines (Jenkins, GitLab, GitHub Actions, Flux, Spinnaker)
  • Core cryptography (AES, RSA, ML-KEM, SHA, TLS)

Key gaps -- already acknowledged by the government

These appear in the Gesamtbild strategic text but are not yet in the landscape CSV. They should be the first additions:

  1. MQTT (named alongside REST, gRPC, GraphQL as an exchange protocol)
  2. Kafka (named for streaming analytics)
  3. Git (named as the version control standard)
  4. SBOM (named as required for component listing)
  5. OWASP (named as a security guidance framework)
  6. OWL, SPARQL, SKOS (named for semantic technologies)
  7. ODF, PDF/UA (named as document format standards)
  8. SQL, ODBC, JDBC (named for data access)
  9. NFV, OpenStack, SCS (named for virtualised infrastructure)

Key gaps -- not yet mentioned, should be considered

  1. Observability (OpenTelemetry, Prometheus, Grafana) -- the layer model demands it but no products are named
  2. Infrastructure as Code (OpenTofu, Ansible, Helm) -- IaC is a principle but has no concrete tooling
  3. Supply chain security (OCI, Sigstore, containerd) -- beyond SBOM
  4. Identity & zero-trust (SAML, FIDO2, SPIFFE, Keycloak) -- deeper than the current OAuth/OIDC/OTP coverage
  5. IoT protocols beyond MQTT (CoAP, AMQP, LwM2M)
  6. European sovereignty frameworks (Gaia-X, IDSA)
  7. Edge computing (KubeEdge, K3s)
  8. Streaming/search databases (TimescaleDB, OpenSearch, Redis/Valkey)
  9. Linux as the foundational server OS
  10. Matrix Protocol for sovereign messaging (already in Bundeswehr use)