Identifying dependencies

A dependency is a relationship among systems or services. During the discovery process, dependencies should be identified and documented. In Chapter 1, The Virtual Datacenter, we discussed the importance of taking a holistic view when designing a virtualized environment. Identifying dependencies is the key to the holistic approach of designing.

How to do it…

An architect must identify dependencies in order to understand what effect a design decision or change may have on other services. The architect should identify the following dependencies:

  • Identify physical infrastructure dependencies
  • Identify application and service dependencies

How it works…

Dependencies can be service-to-service; for example, a web application depends ...

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