return to Reference Architecture (RA)

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• 1 Introduction

  • 1.1 Problem
  • 1.2 Purpose
  • 1.3 Content Organization
• 2 Architectural Views

  • 2.1 Stakeholder Views

    • 2.1.1 Platform View
    • 2.1.2 Domain View
    • 2.1.3 Ecosystem View
    • 2.1.4 Ecosphere View
    • 2.1.5 Exchange View
    • 2.1.6 Enterprise View
    • 2.1.7 Relevant Community Standards
  • 2.2 Technical Views

    • 2.2.1 Fundamental Views

      • 2.2.1.1 Interfaces

        • 2.2.1.1.1 Platform Interface
        • 2.2.1.1.2 Software Interfaces
        • 2.2.1.1.3 Human Interfaces
      • 2.2.1.2 Tools

        • 2.2.1.2.1 Logging
        • 2.2.1.2.2 Semantic Web
        • 2.2.1.2.3 Open Source Communities
      • 2.2.1.3 Case Management
      • 2.2.1.4 System of Systems (SoS)
      • 2.2.1.5 Quality
      • 2.2.1.6 Open Source Paradigm
      • 2.2.1.7 Assurance
    • 2.2.2 Node Network View

      • 2.2.2.1 Network View

        • 2.2.2.1.1 Secure Messaging
        • 2.2.2.1.2 Transport
        • 2.2.2.1.3 Security
        • 2.2.2.1.4 Protocol
        • 2.2.2.1.5 Distribution Software
      • 2.2.2.2 Node View

        • 2.2.2.2.1 Operating System (OS)
        • 2.2.2.2.2 Operating Environment
        • 2.2.2.2.3 DIDO Platform
        • 2.2.2.2.4 Distributed Applications
      • 2.2.2.3 Node Architecture

        • 2.2.2.3.1 Immutable Data Objects

          • 2.2.2.3.1.1 Ledger
          • 2.2.2.3.1.2 Transactions
          • 2.2.2.3.1.3 Identities
          • 2.2.2.3.1.4 Wallets
        • 2.2.2.3.2 Ancillary Data

          • 2.2.2.3.2.1 Journal
          • 2.2.2.3.2.2 Transforms
          • 2.2.2.3.2.3 Distributed Applications
          • 2.2.2.3.2.4 Web Applications
          • 2.2.2.3.2.5 Exchanges
        • 2.2.2.3.3 Semantic Web
        • 2.2.2.3.4 Software
      • 2.2.2.4 Messaging View
    • 2.2.3 Decentralized Finance (DeFi) Layers
  • 2.3 Taxonomic Views

    • 2.3.1 Network Topology Taxonomy

      • 2.3.1.1 Centralized Network Topology
      • 2.3.1.2 Decentralized Network Topology
      • 2.3.1.3 Distributed Network Topology
    • 2.3.2 Network Access Control Taxonomy

      • 2.3.2.1 Permissionless Networks
      • 2.3.2.2 Permissioned Networks
      • 2.3.2.3 Public Networks
      • 2.3.2.4 Private Networks
      • 2.3.2.5 Hybrid Networks
    • 2.3.3 Node Taxonomy

      • 2.3.3.1 Full Node

        • 2.3.3.1.1 Pruned Node
        • 2.3.3.1.2 Archival Node

          • 2.3.3.1.2.1 Authority Node
          • 2.3.3.1.2.2 Staking Node
          • 2.3.3.1.2.3 Mining Node
          • 2.3.3.1.2.4 Masternode
      • 2.3.3.2 Lightweight Node (Wallet)
      • 2.3.3.3 Lightning Node
      • 2.3.3.4 Permanode
      • 2.3.4 Data Taxonomy

        • 2.3.4.3.1 Ledger Data
        • 2.3.4.3.2 Ancillary Data
        • 2.3.4.3.3 External Data
• 3 Governance

  • 3.1 DIDO Communities

    • 3.1.1 Stakeholder Communities
    • 3.1.2 Software Communities
  • 3.2 Legal Documents

    • 3.2.1 Charter
    • 3.2.2 Bylaws
    • 3.2.3 Policies and Procedures (P&P)
  • 3.3 Guides
• 4 Requirements

  • 4.1 About Requirements

    • 4.1.1 Governance Requirements Model
    • 4.1.2 Cognitive Requirements Model
    • 4.1.3 Governing Roles - Combined Requirements Model
    • 4.1.4 Example of a Using the Combined Requirements Model
    • 4.1.5 The Current State of DIDO Requirements
    • 4.1.6 One Degree of Freedom Rule
    • 4.1.7 Specifying Requirements
  • 4.2 Functional Requirements

    • 4.2.1 Platforms

      • 4.2.1.1 Hardware Platform
      • 4.2.1.2 Operating System Platform
      • 4.2.1.3 Runtime Platforms
      • 4.2.1.4 Network Platforms
      • 4.2.1.5 Virtualized Nodes
    • 4.2.2 Access Control
  • 4.3 Non-Functional Requirements

    • 4.3.1 Portability

      • 4.3.1.1 Adaptability
      • 4.3.1.2 Installability
      • 4.3.1.3 Replaceability
    • 4.3.2 Reliability

      • 4.3.2.1 Maturity
      • 4.3.2.2 Availability
      • 4.3.2.3 Fault Tolerance
      • 4.3.2.4 Recoverability
    • 4.3.3 Maintainability

      • 4.3.3.1 Modularity
      • 4.3.3.2 Reusability
      • 4.3.3.3 Analysability
      • 4.3.3.4 Modifiability
      • 4.3.3.5 Testability
    • 4.3.4 Securability

      • 4.3.4.1 Confidentiality
      • 4.3.4.2 Data Integrity
      • 4.3.4.3 Non-Repudiation
      • 4.3.4.4 Authenticity
      • 4.3.4.5 Accountability
    • 4.3.5 Manageability

      • 4.3.5.1 Types of Manageability Functions
      • 4.3.5.2 Manageability Costs
      • 4.3.5.3 System Manageability Issues
      • 4.3.5.4 Software Manageability Issues
    • 4.3.6 Usability

      • 4.3.6.1 Effectiveness Metrics
      • 4.3.6.2 Efficiency Metrics
      • 4.3.6.3 Attitude / Satisfaction Metrics
    • 4.3.7 Performance

      • 4.3.7.1 Platform Performance
      • 4.3.7.2 Application Performance
      • 4.3.7.3 Network Performance
    • 4.3.8 Interoperability
    • 4.3.9 Elasticity
    • 4.3.10 Scalability
  • 4.4.2.1 How to Use the Non-Functional Requirements Boilerplate
• 4.4 Assessing Requirements

  • 4.4.1 Functional Requirements Assessment
  • 4.4.2 Non-functional Requirements Assessment

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• Appendix A: Glossary of Terms Related to DIDO
• Appendix B: Standards Organizations
• Appendix C: Hardware Architectures
• Appendix D: Operating Systems
• Appendix E: Tools
• Appendix F: DDS Quality Of Service
• Appendix G: Tests
• Appendix H: Acronyms
• Appendix I: Cognitive Model
• Appendix J: Governance Model

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