Structure And Operation Of A Enterprise Architecture

2234 Words Sep 2nd, 2014 9 Pages
TOPIC A1
Enterprise Architecture
EA is about designing, managing and planning an organization/firm’s IT assets, people, and processes so it can achieve business strategy/goals providing benefit to the business.An enterprise architecture (EA) is a conceptual blueprint that defines the structure and operation of an organization. The intent of enterprise architecture is to understand how an organization can most effectively achieve its current and future objectives.
Importance of EA
 Holistic Approach
 Consistency in Delivering Solutions to Business Problems
 Building Enterprise-wide Repository
 IT Governance
 Defined Business/Technical/Information System Architecture:
 Ensure alignment of business and IT, Effectively use IT assets to support business strategy and needs,
 Perform long-term IT planning to support business strategy, Plan and manage program to avoid failures,
 Maximize investment in IT spending
EA is similar to city planning
City plan --Business Vision – provides context to define and evolve EA.
Zoning plan: Patterns - different systems supporting different business functions but each can be classified by pattern (e.g. transactional, n-tier, client-server).
Building code: Standards - common principles and standards that drive architectural decisions and design (e.g. web services must be used for integration, off-shelf preferred over custom build).
Building material list: Technology Directives - formally approved hardware and software products,…
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