14 KiB
Enterprise Reference Architecture
Document Information
| Document Details | |
|---|---|
| Title | Enterprise Reference Architecture |
| Organization | [Organization Name] |
| Date | [Creation Date] |
| Version | [Version Number] |
| Prepared By | [Author Name and Role] |
| Approved By | [Approver Name and Role] |
| Status | [Draft/Review/Approved] |
Executive Summary
[Provide a concise summary of the enterprise reference architecture, highlighting its purpose, key architectural decisions, and business value. This section should be brief (2-3 paragraphs) and focused on communicating the essence of the architecture to executive stakeholders.]
1. Introduction
1.1 Purpose and Scope
[Define the purpose of the enterprise reference architecture and its scope, including the business domains, technology domains, and organizational units covered.]
1.2 Architecture Vision
[Articulate the vision for the enterprise architecture, including how it supports business strategy and objectives.]
1.3 Architecture Principles
[List and describe the core architecture principles that guide architectural decisions across the enterprise.]
| Principle | Description | Rationale | Implications |
|---|---|---|---|
| [Principle] | [Description] | [Rationale] | [Implications] |
| [Principle] | [Description] | [Rationale] | [Implications] |
| [Principle] | [Description] | [Rationale] | [Implications] |
| [Principle] | [Description] | [Rationale] | [Implications] |
| [Principle] | [Description] | [Rationale] | [Implications] |
1.4 Reference Architecture Framework
[Describe the framework used to organize and present the enterprise reference architecture, including the architectural viewpoints and domains covered.]
2. Business Architecture
2.1 Business Capability Model
[Present the business capability model that defines the organization's core capabilities and their relationships.]
[Include a visual representation of the business capability model.]
2.2 Business Process Architecture
[Describe the high-level business process architecture, including process domains, key processes, and their relationships.]
[Include a visual representation of the business process architecture.]
2.3 Organization Architecture
[Describe the organizational structure and how it relates to business capabilities and processes.]
2.4 Business-IT Alignment
[Explain how the enterprise architecture aligns with and supports business strategy, objectives, and capabilities.]
3. Information Architecture
3.1 Information Model
[Present the enterprise information model, including key entities, their attributes, and relationships.]
[Include a visual representation of the enterprise information model.]
3.2 Data Architecture
[Describe the data architecture, including data domains, data stores, data flows, and data governance.]
3.2.1 Data Domains
[Define the key data domains and their characteristics.]
| Data Domain | Description | Master Data | Ownership | Classification |
|---|---|---|---|---|
| [Domain] | [Description] | [Yes/No] | [Owner] | [Classification] |
| [Domain] | [Description] | [Yes/No] | [Owner] | [Classification] |
| [Domain] | [Description] | [Yes/No] | [Owner] | [Classification] |
3.2.2 Data Stores
[Identify the key data stores and their characteristics.]
| Data Store | Type | Purpose | Data Domains | Technology |
|---|---|---|---|---|
| [Store] | [Type] | [Purpose] | [Domains] | [Technology] |
| [Store] | [Type] | [Purpose] | [Domains] | [Technology] |
| [Store] | [Type] | [Purpose] | [Domains] | [Technology] |
3.2.3 Data Flows
[Describe the key data flows between systems and data stores.]
[Include a visual representation of the enterprise data flow.]
3.3 Master Data Management
[Describe the approach to master data management, including governance, processes, and tools.]
3.4 Data Governance
[Define the data governance framework, including roles, responsibilities, policies, and processes.]
4. Application Architecture
4.1 Application Portfolio
[Present the enterprise application portfolio, categorized by business capability or domain.]
| Application | Description | Business Capability | Category | Lifecycle Status |
|---|---|---|---|---|
| [Application] | [Description] | [Capability] | [Category] | [Status] |
| [Application] | [Description] | [Capability] | [Category] | [Status] |
| [Application] | [Description] | [Capability] | [Category] | [Status] |
4.2 Application Integration Architecture
[Describe the application integration architecture, including integration patterns, technologies, and standards.]
[Include a visual representation of the application integration architecture.]
4.2.1 Integration Patterns
[Define the standard integration patterns used across the enterprise.]
| Pattern | Description | Use Cases | Technologies |
|---|---|---|---|
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
4.2.2 API Architecture
[Describe the API architecture, including API types, management, and governance.]
4.3 Application Patterns
[Define standard application patterns used across the enterprise.]
4.3.1 Frontend Patterns
[Describe standard patterns for frontend applications.]
| Pattern | Description | Use Cases | Technologies |
|---|---|---|---|
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
4.3.2 Backend Patterns
[Describe standard patterns for backend applications.]
| Pattern | Description | Use Cases | Technologies |
|---|---|---|---|
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
4.3.3 Data Access Patterns
[Describe standard patterns for data access.]
| Pattern | Description | Use Cases | Technologies |
|---|---|---|---|
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
| [Pattern] | [Description] | [Use Cases] | [Technologies] |
4.4 Application Lifecycle Management
[Describe the approach to application lifecycle management, including development, testing, deployment, and maintenance.]
5. Technology Architecture
5.1 Technology Standards
[Define technology standards for key technology areas.]
| Technology Area | Standard | Status | Exceptions |
|---|---|---|---|
| [Area] | [Standard] | [Mandatory/Preferred/Acceptable] | [Exceptions] |
| [Area] | [Standard] | [Mandatory/Preferred/Acceptable] | [Exceptions] |
| [Area] | [Standard] | [Mandatory/Preferred/Acceptable] | [Exceptions] |
5.2 Infrastructure Architecture
[Describe the infrastructure architecture, including compute, storage, network, and cloud services.]
5.2.1 Compute Architecture
[Describe the compute architecture, including servers, virtualization, and containers.]
5.2.2 Storage Architecture
[Describe the storage architecture, including storage types, tiers, and management.]
5.2.3 Network Architecture
[Describe the network architecture, including network segments, connectivity, and security zones.]
[Include a visual representation of the network architecture.]
5.2.4 Cloud Architecture
[Describe the cloud architecture, including cloud services, deployment models, and hybrid cloud approach.]
5.3 Platform Architecture
[Describe the platform architecture, including middleware, databases, and common services.]
5.3.1 Middleware Architecture
[Describe the middleware architecture, including messaging, integration, and API platforms.]
5.3.2 Database Architecture
[Describe the database architecture, including database types, platforms, and management.]
5.3.3 Common Services
[Describe common services used across the enterprise, such as identity management, logging, and monitoring.]
5.4 DevOps Architecture
[Describe the DevOps architecture, including CI/CD pipelines, automation, and tooling.]
6. Security Architecture
6.1 Security Principles and Policies
[Define security principles and policies that guide security architecture decisions.]
6.2 Identity and Access Management
[Describe the identity and access management architecture, including authentication, authorization, and directory services.]
6.3 Network Security
[Describe the network security architecture, including firewalls, segmentation, and intrusion detection/prevention.]
6.4 Data Security
[Describe the data security architecture, including encryption, data loss prevention, and data privacy.]
6.5 Application Security
[Describe the application security architecture, including secure development practices, application security testing, and runtime protection.]
6.6 Security Monitoring and Operations
[Describe the security monitoring and operations architecture, including security information and event management, incident response, and security operations center.]
7. Cross-Cutting Concerns
7.1 High Availability and Disaster Recovery
[Describe the architecture for high availability and disaster recovery, including resilience patterns, backup and recovery, and business continuity.]
7.2 Performance and Scalability
[Describe the architecture for performance and scalability, including performance patterns, caching, and scaling approaches.]
7.3 Monitoring and Observability
[Describe the architecture for monitoring and observability, including metrics, logging, tracing, and alerting.]
7.4 Governance and Compliance
[Describe the architecture for governance and compliance, including regulatory requirements, compliance monitoring, and reporting.]
8. Reference Implementation Models
8.1 Frontend Reference Implementation
[Describe the reference implementation for frontend applications, including technologies, patterns, and best practices.]
[Include a visual representation of the frontend reference implementation.]
8.2 Backend Reference Implementation
[Describe the reference implementation for backend applications, including technologies, patterns, and best practices.]
[Include a visual representation of the backend reference implementation.]
8.3 Integration Reference Implementation
[Describe the reference implementation for integration, including technologies, patterns, and best practices.]
[Include a visual representation of the integration reference implementation.]
8.4 Data Reference Implementation
[Describe the reference implementation for data management, including technologies, patterns, and best practices.]
[Include a visual representation of the data reference implementation.]
9. Architecture Governance
9.1 Governance Framework
[Define the architecture governance framework, including roles, responsibilities, processes, and tools.]
9.2 Architecture Review Process
[Describe the architecture review process, including review criteria, review boards, and decision-making.]
9.3 Architecture Compliance
[Define the approach to architecture compliance, including compliance assessment, exceptions, and enforcement.]
9.4 Architecture Change Management
[Describe the process for managing changes to the enterprise reference architecture.]
10. Implementation Guidance
10.1 Architecture Adoption Approach
[Define the approach for adopting the enterprise reference architecture, including phasing, prioritization, and transition planning.]
10.2 Architecture Patterns Catalog
[Provide guidance on using the architecture patterns defined in the reference architecture.]
10.3 Technology Selection Guidance
[Provide guidance on selecting technologies that align with the reference architecture.]
10.4 Architecture Decision Records
[Document key architecture decisions that shape the enterprise reference architecture.]
| Decision ID | Title | Status | Context | Decision | Consequences |
|---|---|---|---|---|---|
| [ID] | [Title] | [Status] | [Context] | [Decision] | [Consequences] |
| [ID] | [Title] | [Status] | [Context] | [Decision] | [Consequences] |
| [ID] | [Title] | [Status] | [Context] | [Decision] | [Consequences] |
11. Roadmap and Evolution
11.1 Architecture Roadmap
[Define the roadmap for evolving the enterprise architecture, aligned with business strategy and technology trends.]
[Include a visual representation of the architecture roadmap.]
11.2 Technology Lifecycle Management
[Describe the approach to managing technology lifecycles, including technology refresh, obsolescence management, and innovation adoption.]
11.3 Architecture Capability Development
[Define the approach to developing architecture capabilities within the organization, including skills, methods, and tools.]
12. Conclusion
[Summarize the key elements of the enterprise reference architecture and the path forward. Emphasize the business value of implementing the architecture and the importance of stakeholder alignment and commitment.]
Appendices
Appendix A: Glossary
[Define key terms and acronyms used in the document.]
Appendix B: Architecture Viewpoints and Models
[Include detailed architecture viewpoints and models that support the enterprise reference architecture.]
Appendix C: Technology Standards Catalog
[Provide a detailed catalog of technology standards referenced in the architecture.]
Appendix D: Architecture Principles Catalog
[Provide a detailed catalog of architecture principles referenced in the architecture.]
Appendix E: References
[List references to standards, frameworks, and other documents used in developing the architecture.]