# README

## Table of Content

[Front Matter](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/front-matter/frontmatter)

[Contributing Projects](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/front-matter/contributing_projects)

[1. Introduction](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/introduction/1_1_goals_of_the_international_data_spaces)

[2. Context of the International Data Spaces](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/context-of-the-international-data-spaces/2_1_data-driven-business_ecosystems)

[3. Layers of the Reference Architecture Model](https://github.com/International-Data-Spaces-Association/IDS-RAM_4_0/blob/main/documentation/3_Layers_of_the_Reference_Architecture_Model/3_Layers.md)

[3.1. Business Layer](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/layers-of-the-reference-architecture-model/3-layers-of-the-reference-architecture-model/3-1-business-layer)

[3.2. Functional Layer](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/layers-of-the-reference-architecture-model/3-layers-of-the-reference-architecture-model/3_2_functionallayer)

[3.3. Information Layer](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/layers-of-the-reference-architecture-model/3-layers-of-the-reference-architecture-model/3_3_informationlayer)

[3.4. Process Layer](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/layers-of-the-reference-architecture-model/3-layers-of-the-reference-architecture-model/3_4_process_layer)

[3.5. System Layer](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/layers-of-the-reference-architecture-model/3-layers-of-the-reference-architecture-model/3_5_0_system_layer)

[4. Perspectives of the Reference Architecture Model](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/perspectives-of-the-reference-architecture-model/4_perspectives)

[4.1 Security Perspective](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/perspectives-of-the-reference-architecture-model/4_perspectives/4_1_security_perspective)

[4.2 Certification Perspective](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/perspectives-of-the-reference-architecture-model/4_perspectives/4_2_certification_perspective)

[4.3 Governance Perspective](https://docs.internationaldataspaces.org/ids-knowledgebase/ids-ram-4/perspectives-of-the-reference-architecture-model/4_perspectives/4_3_governance_perspective)

### Appendix

[Glossary *(external on IDS-G)*](https://github.com/International-Data-Spaces-Association/IDS-G/tree/main/Glossary)