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Enterprise Architecture by Mind Map: Enterprise
5.0 stars - 5 reviews range from 0 to 5

Enterprise Architecture


collection of information describing

the business

the information

the technology, needed to operate the business

repository of information

needed to implement new technology



link, business architecture, application components, EAI components, services, processes, events, application architecture, requirements, rules, processes, vision, critical success factors, data architecture, data models, master data management, data integration, data architecture, business intelligence, data quality, technology architecture, infrastructure, telecom, security

EA lifecycle




components may be viewed in different ways, depending on purpose and context

is for, Planners, Owners, Designers, Builders, Subcontractors


Models Enterprise at 4 levels, Business, Application, Data, Technology


EA Roadmap


current architecture, business, application, data, technical

target architecture, business, application, data, technical

transition plan, project prioritization, risks and issues, migration strategy, estimated costs, success factors, project measurements

Architecture Vision

The EA's elevator pitch


during project initiation


agree desired outcome for architecture

sell benefits of the architecture to decision-makers.

show how the architecture will support, business goals, business strategy, stakeholder concerns, stakeholder objectives

typical contents

Problem description


Process descriptions

Roles and actors


IT principles

Architecture overview

Mapping of proposed architecture to processes & requirements


security vulnerabilities / exposures

distracting critical staff

low adoption rates

increasing solution costs

enterprise-class solutions, scalability, re-usability, etc., may be overkill for the business problems at hand

user rejection

focus on common solutions, creates dependencies between business units, additional user acceptance risks

new dependancies

multiple business units, different business cycles, change requests must be prioritized, may request different change windows, change requests may conflict

project delays

EA governance means, more check points

EA-introduced business performance metrics

sometimes unexpected / counter-productive results

often made a key selling point

EA Governance


EA impact?

update EA

technical assessment

PMO review, project management office (PMO)


post implementation review

update EA


ensure project-EA conformity, is reflected in EA documentation


Big Box EA

when EA is way too high level

not relevant to, business, technology

it's not Change Management

Gaps in EA, differences between, current, target, not = wish list, not = change requests

so, Future state, far enough in future, not to look like, next project's, solution architecture

Politically Oriented Architecture

office politics shape EA, technology proliferation, broken processes, fragmented data

solution, EA reveals POA behaviour to decision makers

Resume Oriented Architecture

benefit, EA only

recognize, technology trendy, high demand skill, technology new to the EA, technology not complimentary to existing, technology overkill, no realistic business case

Ivory Tower EA


out of touch

Solution architects, ignore the architecture, no implementation path

The Sinking EA

sucked down into, solution architecture, infrastructure details, even development

motivation, solution work, important projects, pressure, refusing seen as lazy, personal recognition, easier than EA problems, Old habits die hard

Visit link for more, link

result, EA, wrong message sent, neglected, EA thinking, disappears

Vendor Lock-in

EA should minimize

the excellent basis

for this map



lack of focus

most common

EA Governance

s/b separate from EA, important, EAs are not police, EAs must break down barriers, governance obstructs

IT governance team, to handle EA, & other governance

involved in

prototypes, irrelevant time-suck



investigate EA tools only

managing projects, except in scope of EA, avoid comment on project execution, relationship breakdown

version matters, not version cops

conducting, additional kind of audit, will lose support



business, goals, strategies, environment, subject matter experts

architecture, reference, frameworks, current

policies, governance, legal frameworks, limits, budget, time, organizational constraints, contracts & agreements

Skills required


understands, business, big picture thinking, Systems Thinking, EA frameworks, IT financial management, data architecture, technical architecture, IT operations

skills, interpersonal, presentation, coaching, explaining IT to executives, influencing, time management




strategic information asset, to shape the Enterprise

supports, efficient planning, has discipline to plan years out, IT investments, understanding current, directing future

align IT with business

breakdown silos, a blueprint, for everyone to follow, forces thinking globally, when acting locally

help senior management understand IT

control costs, early detection of projects likely to fail, drill managers to reuse existing company IT assets

technology watch

evangelists for, standards, best practices

recognize enterprise innovation, propagate it

control your IT assets, pass audit inspections

technical gurus of last resort, keep consultants and vendors honest

Job responsibilities


Primary role: lead the EA process, Business must be active in defining the architecture

alignment, IT strategy <-> business goals

IT strategic responsibility, long term

manage IT risk

with solution architects, align projects with EA

promote shared services & infrastructure

manage IT lifecycle, direct investment, new infrastructure, tools, applications, software, standard, conditional, Standard software only approved for specific business / technology silos, strategic, on the roadmap, will become standard, emerging/research, experimental, pilot, evaluation, sunset, scheduled for retirement, retired, phased-out, blacklisted, banned

develop, standards, policies, best practices

evangelize, IT strategy, roadmap

EA software


shapes for communication