what is enterprise architecture march 2009. enterprise architecture architecture –the fundamental...

What is Enterprise Architecture

March 2009

Enterprise Architecture

• Architecture– the fundamental organization of a system, embodied in

• its components,• their relationships to each other and the environment, and• the principles (rules) governing its design and evolution

• Architecture levels– Enterprise Architecture City Planning– Solutions Architecture (Buildings) Architecture

• Enterprise Architecture– defines and maintains the architecture models, and governance needed to

effectively co-ordinate enterprise toward common business and/or IT goals– provides enterprise level view of organization and business activities– provides a formal link between strategy and results

• Enterprise Architecture Framework– An architecture framework is a tool for developing enterprise architectures. – Enterprise Architecture Framework is a method to design, evaluate and build

Enterprise Architecture and govern it lucrative usage.

Enterprise Architecture Layers

Business Architecture

Information Architecture

Application Architecture

Technology Architecture

Business (Process) Architecture:● Business strategy, governance● Key business processes● Actors, organization

Information Architecture:● Information object● Logical and physical data● Data management● Metadata

Applications Architecture:● Application portfolio● Functional services● Integration● Application platforms

Technology Architecture:● Databases, middleware● Servers, workstations● Networking● Security solutions

Solution Architecture and EA

Business Architecture

Information Architecture

Application Architecture

Technology Architecture

Business (Process) Architecture:● Business strategy, governance● Key business processes● Actors, organization

Information Architecture:● Information object● Logical and physical data● Data management● Metadata

Applications Architecture:● Application portfolio● Functional services● Integration● Application platforms

Technology Architecture:● Databases, middleware● Servers, workstations● Networking● Security solutions

Solution

Solution

Enterprise Architecture services by Gartner