Overview
ISO/TR 17427-3:2015 - Intelligent transport systems - Cooperative ITS - Part 3: Concept of operations (ConOps) for ‘core’ systems provides high-level, technology-agnostic guidance for the Concept of Operations (ConOps) of a C-ITS Core System (CorSys). It is a Technical Report intended to inform planners, system architects and stakeholders about the generic requirements, operational context and key issues to consider when designing core functions that support Cooperative Intelligent Transport Systems (C-ITS) in a connected vehicle–highway paradigm. The report raises awareness, outlines operational scenarios and points to existing standards where detailed technical specifications are needed - but it does not specify solutions.
Key topics and technical requirements
- Core System role and scope: definition, mission, functional subsystems and justifications for centralized or distributed core architectures.
- Concept of operations (ConOps): operational policies, modes of operation, user types, organizational and operational constraints.
- Functional requirements process: how to identify, document and manage CorSys requirements (high-level, non-prescriptive).
- Communications: considerations for VANETs/MANETs, hybrid communications, short/medium/long-range links, wide-area broadcast, positioning and digital map data.
- Data management and services: probe data storage, data provision/ownership, subscription models, service discovery and backup/takeover scenarios.
- Security, privacy and anonymity: privacy overview, message-level privacy considerations, certificate distribution and revocation, misbehaviour handling and security management.
- Operational impacts and use cases: example use cases include certificate distribution/revocation, data subscription, remote services, core discovery and service status distribution.
- Stakeholders and institutional context: roles of transport authorities, roadside equipment (RSE), external support systems (ESS) and multi-jurisdictional interactions.
Practical applications - who uses this standard
This Technical Report is useful for:
- Transport authorities and policy makers planning C-ITS deployments and governance.
- System architects and integrators defining ConOps and high-level requirements for CorSys design.
- Vehicle OEMs, roadside equipment vendors and telecom providers aligning service interfaces and operational expectations.
- Researchers and project managers evaluating impacts, risks and use-case scenarios.
Typical applications include designing a platform for information sharing, planning certificate management workflows, defining data ownership and privacy principles, and preparing deployment strategies that support interoperability across communications technologies.
Related standards and next steps
ISO/TR 17427-3:2015 is explicitly non-prescriptive and points to existing technical standards (for communications, security, positioning and data formats) for implementation details. Project teams should use this ConOps as a foundation and consult applicable technical standards and regulatory requirements to produce detailed specifications and deployments.
Keywords: ISO/TR 17427-3:2015, Cooperative ITS, C-ITS, Core System, ConOps, connected vehicle, certificate distribution, privacy, ITS planning.