In short, the more it is understood how things communicate, the easier it is to manage, plan, and troubleshoot. In fact, Amazon Web Services requires a very deep understanding of this model even today. In order to properly accomplish the work of supporting technology infrastructure and operations, having a healthy understanding of this model and striving for ultimate efficiency at each layer only allows for more overall performance improvements and the ability to adapt to the ever-changing pace of computing. In this case, the communication between computers. The model, from a high level, is centered around communication. By way of review, the seven layers are as follows: Some may have to think back pretty far to remember the Open Systems Interconnection (OSI) model, but the fundamental truths that it teaches are as relevant today as it was back then, even if it's forgotten. These few cmdlets are going to be your go-to when it comes to troubleshooting, automation, or script creation. There are some foundational PowerShell cmdlets that not only pay homage to those layers in how they are used to accomplish a variety of objectives. Each layer depends so much upon the underlying layers that when one fails or does not perform as designed, things can get chaotic quickly. Most would probably admit that they sometimes forget about the foundational OSI model that they learned in the very beginning of their educational journey into the world of IT support and/or development.
When managing a Windows environment some sysadmins tend to underestimate and maybe even take for granted the underlying layers on which they so freely work on and with to bring home the bacon.
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