IIA Industrial Independence Alliance

The Architecture · Documentation

The full set

Every IIA document. The principle in the README is the canonical statement; the documents below extend it without contradicting it.

  1. 01

    Introduction

    Concept-first introduction for readers new to industrial automation, ICS, or operational technology. Builds the vocabulary the rest of the documentation assumes.

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  2. 02

    Internal Architecture

    The canonical implementation specification. Invariants, partitioning, contracts, attestation, configuration, updates, SL3 / SL4 mappings to IEC 62443 foundational requirements. Names roles, not products.

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  3. 03

    Sample Data Contracts

    Six worked data contracts spanning internal flows, boundary contracts (batch and query), device-level contracts, wireless IO, and AI-agent consumption.

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  4. 04

    MCP — Single Box Quickstart

    Operator quickstart for the smallest AI-agent consumption deployment: one box, one MCP server off-box, one AI client. Topology, identity, contract, and config-artifact pipeline.

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  5. 05

    Glossary

    Vocabulary used across IIA documentation. Domain terms, architectural terms, and the standards IIA aligns with.

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