This document specifies requirements on publish-subscribe architecture on ship-shore data communication. It is intended for use by system providers and users, including software vendors, platform developers, fleet managers, application users in the field of the shipbuilding industry, shipping companies, equipment manufacturers, and port and on-shore service providers, to communicate in the publish-subscribe architecture between ship and shore.

This document focuses on enabling interoperability of shipboard and shore-based systems for the exchange of operational data using publish-subscribe methods.

This document describes:

— the role of a broker, publisher and subscriber;

— the multitenancy-based data management system in the cloud environment;

— general requirements for publish-subscribe architecture;

— security requirements for ensuring data confidentiality, integrity and availability;

— the message format for client id and topic name, and data model;

— functional requirements for data management.

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