Introduction

The inevitable law of networks seems to be the following: Anything that is small will grow large, anything that is large will grow into something huge, and anything that is huge will grow into a multinational juggernaut. The corollary to this law seems to be as follows: Once a network has become a multinational juggernaut, someone will come along and decide to switch from one routing protocol to another. They will add one more application, or a major core link will flap, and it will melt (during dinner, of course).

In CCIE Professional Development: Advanced IP Network Design, we intend to present the basic concepts necessary to build a scalable network. Because we work in the "it's broken, fix it (yesterday!)" side of the industry, ...

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