Book Image

VMware vSphere 5.x Datacenter Design Cookbook

By : Hersey Cartwright
Book Image

VMware vSphere 5.x Datacenter Design Cookbook

By: Hersey Cartwright

Overview of this book

Table of Contents (19 chapters)
VMware vSphere 5.x Datacenter Design Cookbook
About the Author
About the Reviewers

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 on a frontend web server and a backend database. Dependencies can be service-to-infrastructure; for example, the web application requires a static IP address and a minimum of 10 MB of network bandwidth.

Physical and infrastructure dependencies are generally...