Network Design Principles

Network design is one of the most important skills a networking professional can develop. Technologies, vendors, and protocols constantly evolve, but the principles behind good design remain relevant for decades.

Organizations can replace routing protocols, migrate to cloud environments, deploy new security platforms, or adopt entirely new architectures, but the need for scalable, resilient, operationally efficient, and business-aligned network designs never changes.

Many engineers spend years learning how technologies work without fully understanding why certain design decisions are made. Knowing how to configure a protocol is valuable, but understanding when to use it, when not to use it, and what tradeoffs it introduces is what separates architects from implementers.

Successful netw...