ISO has released ISO 18131:2025, a comprehensive new standard that defines the general architecture for ship–shore data communication using a publish–subscribe model. As the maritime sector increasingly relies on real-time data exchange, this framework aims to improve interoperability, enhance system security, and support the growing digitalisation of ship operations, ports, and logistics networks.
A Common Architecture for Real-Time Ship–Shore Data Exchange
ISO 18131:2025 establishes a unified system architecture that outlines the roles and relationships between publishers, subscribers, and brokers. It details how operational data should flow between onboard equipment and shore-based systems using a topic-based structure.
The standard specifies key elements such as:
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Message formats and naming rules
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Client identifiers
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Topic registration and management
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Batch-based, dynamic messaging
This ensures that data generated by shipboard sensors and equipment can be efficiently shared with multiple onshore systems in a many-to-many communication environment, regardless of equipment manufacturer.
Security and Interoperability at the Core of the Standard
A major component of ISO 18131:2025 is its focus on data security, outlining requirements to maintain confidentiality, integrity and availability across ship–shore communication channels.
The data model and taxonomy were intentionally built around typical shipboard setups so that various systems from different vendors can communicate seamlessly.
The new standard builds upon established frameworks such as IEC 61162, ISO 19847, ISO 19848 and ISO 23807, but introduces a more flexible, modern architecture designed to support a broader range of operational and regulatory data as digitalisation accelerates across maritime sectors.
ISO 18131:2025 marks a significant step towards unified, secure, and efficient ship–shore data communication. By providing a standardised architecture for real-time data exchange, it supports interoperability across diverse equipment and systems while strengthening digital transformation efforts in shipping, ports, and logistics. The standard is expected to be widely adopted by shipbuilders, software developers, fleet operators, equipment manufacturers, and port service providers seeking consistency and reliability in maritime data communication.
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Source: SMART MARITIME NETWORK
