Studying for CCDA: What is PPDIOO?
I’ve been studying for the Cisco Certified Design Associate (CCDA) to give me a better insight and view of the Cisco design methodology. I’m trying to be well rounded overall and this is one of weaker areas. It’s been interesting and I’m learning a lot in the way of how Cisco sees the building blocks for a network design.
I came across the acronym PPDIOO which stands for Prepare, Plan, Design, Implement, Operate, and Optimize.
This is the network lifecyle. Each phase builds up to the next phase and provides a roadmap of how a network should be implemented, designed and upgraded.
|Prepare||Establishes organizational and business requirements, develops a network strategy, and proposes a high-level architecture|
|Plan||Identifies the network requirements by characterizing and assessing the network, performing a gap analysis|
|Design||Provides high availability, reliability, security, scalability, and performance|
|Implement||Installation and configuration of new equipment|
|Operate||Day-to-day network operations|
|Optimize||Proactive network management; modifications to the design|
These different phases sound very familiar and match up to other design frameworks, ontologies or methodologies. But they all have a central focus on logically breaking down each step to provide a repeatable process in which all points are thought out.