View: Architecture Description Framework Context

Answers the question: What is the purpose of the IT (SoS) Archtiecture Description Framework?

This context view uses a Use Case Diagram to highlight the concerns and needs of the stakeholders of the Information Technology System of Systems (SoS) The key stakeholders of the Information Technology System of Systems (SoS) represent the following domains:

This Architecture Viewpoint Definition (AVPD) also identifies the need for a multi-disciplined team to provide coverage for the number of domains covered by the scope of the Information Technology System of Systems (SoS). These domains and stakeholders are:

• New Product Development and Management
• IT Systems Development and Management.
• Investment Management.
• Quality Management.
• IT System Users
• Documentation
• Supplier management

Stakeholder Identification

The stakeholder concerns about the Information Technology System of Systems is as follows:

The Architecture Description Framework Context View provides the key purpose and objectives for the Enterprise (SoS) Architecture Description Framework:

• To provide a holistic view of the architecture of the Enterprise as a System of Systems (SoS)
• To provide views that use the terminology of the various domains working within the Enterprise (SoS) Architecture Description Framework.
• To use a consistent set of terminology across the whole Enterprise as a System of Systems (SoS)
• To identify a repeatable process (model kinds) for creating the views from the viewpoints
• To provide a basis for architecture led transformation and change.
• To establish links to customers and their needs from the start.

The specific concerns will be mapped to each of the identified viewpoints. The summary of the requirements is listed below:

• Establish and agree the purpose of the enterprise.
• Identify customer needs and expectations.
• Provide a whole enterprise view of the enterprise.as a system of systems
• Establish the organizational approach and allocation of ownership / contribution
• Identify the core capabilities necessary to achieve the purpose
• Identify the external standards that the enterprise must meet.
• Identify the full set of technology needed for the enterprise and it's ownership.
• Establish the supply / demand balance and capacity to meet customer needs.
• Mechanisms to assess customer satisfaction
• Establish enterprise continuity approaches.