Enterprise Architecture Introduction

Introduction

From previous studies we have learned that Enterprise Architecture is a complete expression of the enterprise; a master plan which “acts as s collaboration force” between aspects of business planning such as goals. visions, strategies and governance principles, aspects of business operations such as business terms, organization structures, processes and data; aspects of automation such as information systems and databases; and the enabling technological infrastructure of the business such as computers, operating systems and networks

Enterprise Architecture always starts with architecture vision, why we need to do enterprise architecture, what we want to achieve and how we should do it. Enterprise architecture is driven by the business scenario or business requirements. Defining and creating a future state of architecture involve understanding business needs and stakeholders concerns, understanding the information flow and understanding the technologies

Enterprise Architecture covers four architecture domains

1.    Business architecture covers business strategy, governance, organization and key business processes

2.    Data Architecture covers the structure of the organization’s logical and physical data assets, data management resources.

3.    Application architecture covers a blueprint for the individual application systems to be deployed, their interactions, and their relationships to the core business processes of the organization.

4.    The technology Architecture covers the software & hardware capabilities that are required to support the deployment of the other three architectures includes IT infrastructure, middleware, networks, communications, processing and standards.

Security Architecture has its own discrete security methodology and composes its own discrete view ad viewpoints. According to TOGAF security architecture impacts the architecture development and provides the security requirements for each domain architecture development.

References

TOGAF                                                                               The Open Group

Enterprise Architecture Good Practices Guide                   Jaap Schekkerman