Data Transformation Engine Integration Flow Designer Reference Guide
Integration Flow Designer Reference Guide 
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Chapter 5 - System Definition Files 
A system definition file contains the definitions for one or more systems and 
servers. This chapter describes the basic steps for working with system definition 
files. 
What is a System? 
A system is a collection of maps that you organize into a unit. A system can 
include components that reference executable maps and components that 
reference other systems. Systems of maps are executable units. The systems you 
define using the Integration Flow Designer (IFD) are executed by Command or 
Event Servers. 
What is a System Definition File? 
A system definition file contains the definitions for one or more systems and the 
servers on which those systems are to execute. 
How System Definition Files and Map Source Files Differ 
The following table notes the parallels between a system definition file (.msd) and 
a map source file (.mms). 
A system definition file (.msd)...  A map source file (.mms)... 
Typically contains one or more 
executable systems 
Because a system contains a 
collection of maps, you can view a 
system definition file as a level up 
from a map source file 
Typically contains one or more 
executable maps 










