Overview
SIST EN ISO 22123-3:2026, entitled “Information technology - Cloud computing - Part 3: Reference architecture,” specifies the Cloud Computing Reference Architecture (CCRA). Developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) and harmonized by CEN, this standard provides a comprehensive, technology-neutral framework for describing and analyzing cloud computing architectures. The CCRA is integral for organizations seeking interoperability, clarity, and standardized communication surrounding cloud-based systems.
With rapid adoption of cloud computing across industries, aligning with a structured reference architecture ensures consistency, comparability, and enhanced understanding of roles, functions, and supporting technologies in cloud environments. This document builds upon previous international guidance to provide practical directions for system design, stakeholder interaction, and cross-cutting concerns, establishing a shared reference point within the cloud ecosystem.
Key Topics
SIST EN ISO 22123-3:2026 covers several foundational aspects of cloud computing architecture:
Applications
Implementing SIST EN ISO 22123-3:2026 brings several advantages and practical applications:
- Cloud Service Providers: Use the CCRA to structure service offerings, ensure alignment with international best practices, and enhance trust through standardized processes and clearer communications.
- Enterprises and Cloud Customers: Evaluate, compare, and integrate cloud services confidently using consistent reference terms and clear role definitions, supporting vendor-neutral procurement and migration.
- Architects and Designers: Apply the functional and user views to create, document, or assess cloud system architectures, identifying essential components, activities, and stakeholder interactions.
- Regulators and Auditors: Reference the CCRA to assess compliance, auditability, governance, and security across cloud solutions.
- Standardization and Procurement: Support harmonization of requirements, facilitate cross-organizational projects, and enhance transparency in service-level agreements.
By following this standard, organizations can better manage cloud adoption risks, support interoperability, and future-proof their cloud strategies.
Related Standards
- ISO/IEC 22123-1: Cloud computing - Vocabulary
- ISO/IEC 22123-2: Cloud computing - Concepts
- ISO/IEC 17789: Previous edition replaced by ISO/IEC 22123-3
- ISO/IEC 29100: Privacy framework, referenced for personally identifiable information concepts
- ISO/IEC/IEEE 42010: Systems and software engineering – Architecture descriptions
- ISO/IEC 24765: Systems and software engineering vocabulary
These standards collectively create a harmonized, internationally recognized framework for cloud computing, ensuring comprehensive coverage from terminology and concepts to reference architecture and specialized domains.
Keywords: cloud computing reference architecture, CCRA, cloud roles, ISO/IEC 22123-3, cloud deployment models, cloud services, cloud interoperability, cloud security, international cloud standards.