Strategy 3.2 EAM Foundations

Question 1

What is ISO/IEC/IEEE 42010?

Answer 1

Recommended practice for architectural description of software-intensive systems

Question 2

scope of ISO/IEC/IEEE 42010?

Answer 2

• software-intenstive systems
• individual systems
• systems of systems

Question 3

goals of ISO/IEC/IEEE 42010?

Answer 3

• support documentation, explanation,
  and communication of architectures
• does not provide a graphical notation

Question 4

Architecture framework of ISO/IEC/IEEE 42010?

Answer 4

predefined set of concerns, stakeholders, viewpoints established to capture common practices for architecture descriptions

Question 5

How many architectural descriptions should you have?

Answer 5

only one. (current or future target description)

Question 6

System-of-interest

Answer 6

A system of interest from the perspective of one or more stakeholders. The system could be an application, a subsystem, a service, a product line, a system of systems or an enterprise

Question 7

Stakeholder

Answer 7

Individual or organization with interest in a system of interest

Question 8

Concern

Answer 8

Those stakeholders’ interests, which pertain to the development, operation, or other key characteristics of the system

Question 9

Architecture

Answer 9

Fundamental concepts or properties of a system in its environment embodied in its elements, relationships, and in the principles of its design and evolution

Question 10

Architecture description

Answer 10

Is a work product used to express one possible architecture for a system of interest.

Question 11

Does every system have an architecture?

Answer 11

Yes. It might be understood or not, recorded or conceptual

Question 12

What does the architecture description have to be aligned with?

Answer 12

Stakeholder’s concerns

Question 13

Architecture view

Answer 13

Expresses the architecture of the system of interest from the perspective of one or more stakeholders to address specific concerns, using the conventions established by its viewpoint. It consists of one or more architecture models.

Question 14

Architecture viewpoint

Answer 14

Is a set of conventions for constructing, interpreting, using and analyzing one type of architecture view.

Question 15

Model kind

Answer 15

Defines the conventions for one type of architecture model

Question 16

architecture model

Answer 16

a view is comprised of architecture models. Each model is constructed in accordance with the conventions established by its model kind, typically defined as part of its governing viewpoint.

Question 17

Architecture rationale

Answer 17

Records the explanation, justification or reasoning about architecture decisions that have been made and architectural alternatives not chosen.
-> Why question is answered

Question 18

Correspondence

Answer 18

Expresses a relation between architecture description elements. Correspondences are used to express architecture relations of interest within an architecture description or between architecture descriptions.

Question 19

Correspondence rule

Answer 19

Governs correspondences by enforcing relations within an architecture description or between architecture descriptions.

Question 20

What do changes in the enterprise context often do?

Answer 20

Trigger and drive EA initiatives

e.g. New CIO or CEO
- post-merger integration

Question 21

What are organizational contexts (4) that influence the design of the EAM function?

Answer 21

• IT organization (decentral, centeral, federated)
• Upper management support
• Budgeting
• Enterprise culture

Question 22

What should EAM goals do to fit the enterprise context?

Answer 22

• increase coherency
• increase transparency
• manage and reduce IT complexity
• identify, assess and manage security risks
• ensure and document legal compliance
• increase disaster tolerance
  etc.

Question 23

What do EAM concerns describe?

Answer 23

The interests of stakeholders that have certain goals for the management of the EA

e.g. define target application landscape

Question 24

Why reduce complexity?

Answer 24

• decrease in maintenance and hosting costs

Question 25

4 EAM benefits adding value to organizations

Answer 25

• Organizational alignment (common goals –> consensus)
• Information availability (access, standardized –> faster & better decisions)
• Resource portfolio optimization (no redundancy –> reduce costs & skill variation)
• resource complementarity (integration, interoperability -> performance, re-use)

Question 26

What are the IT governance archetypes?

Answer 26

• Business Monarchy
• IT Monarchy
• Feudal
• Federal
• IT Duopoly
• Anarchy

Question 27

Who has decision or input rights in Business Monarchy?

Answer 27

Top managers

Question 28

Who has decision or input rights in IT Monarchy

Answer 28

IT specialists

Question 29

Who has decision or input rights in Feudal?

Answer 29

Each business unit making independent decisions

Question 30

Who has decision or input rights in Federal?

Answer 30

Combination of the corporate center and the business units with or without IT people involved

Question 31

Who has decision or input rights in IT Duopoly?

Answer 31

IT group and one other group (e.g. top management or business unit leaders)

Question 32

Who has decision or input rights in Anarchy?

Answer 32

Isolated individual or small group decision making

Question 33

Questions to be addressed concerning the governance arrangement matrix

Answer 33

• What decisions must be made to ensure effective management and use of IT?
• Who should make these decisions?

Question 34

Do all business units go trough EAM the same?

Answer 34

No, they have different levels of maturity with regards to EAM.

Question 35

Which types of change approaches are there?

Answer 35

• Influencing
• Planning
• Motivating
• Learning
• Encouraging

Question 36

Should you rather use a transformation unit or a transformation network?

Answer 36

Using a transformation unit might not be so good because other people might get jealous that they are not part of the transformation process. The transformation network might be better to spread information.