MIS 2101 Chapter Notes - Chapter 2: Unified Modeling Language, High-Level Design
Systems Architecture Fundamentals
• The fundamentals (conceptual, logical, physical) of system design can go through
various stages from the initial project concept to the final plan prior to implementation
• Important to develop a design at each stage and is an important tool for training and
marketing of the concept
• Conceptual Design
o An abstract or high level design which includes only the most important
components and entities
o Main goal is to provide an understandable picture of the overall purpose of the
proposed solution
o Components:
▪ Major technology systems
▪ External systems
▪ High level data flow
▪ System functionality
• Logical Design
o A more detailed design that includes all major components and entities plus
their relationships
o Target audience is typically developers or other systems architects
o Do not include physical server names or addresses
o Include any business services, application names and details, and other relevant
information for development purposes
• Physical Design
o Has all major components and entities identified within specific physical servers
and locations or specific software services, objects, or solutions
o Includes all known details such as operating systems, version numbers, and
relevant patches
o Physical constraints or limitations should be identified within the server
components, data flows or connections
• Unified Modeling Language (UML)
o Another method that can be explored for design and definition for these and
other designs
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