54.3. Logical Datacenter Designer
This designer is used to define the servers, zones, and ports. You create a Logical Datacenter Diagram (LDD for short) in a way similar to what you did for the Application Diagram in the last section. In the Toolbox you have Logical Servers, which include Generic Servers, Databases, IIS, Windows Clients, and Zones, that will allow you to define communication boundaries. Figure 54-3 shows the LDD created by our customer's Infrastructure Architect; later we will use it as a base for our Deployment Diagram.
Figure 54.3. Figure 54-3
LDDs are similar to UML Deployment Diagrams except that the former is used to model logical environments and the latter is used for modeling physical environments. In LDDs you can capture additional details of the servers and endpoints using the Settings and Constraints Editor (explained later). This will help you validate that your applications can effectively be deployed to the logical servers.
You can right-click an IIS web server and select Import Settings. A wizard will guide you to get the entire current configuration from a particular machine — for example, application pools, authentication mode, and web sites.
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