Chapter 2
Hardware and Software Architecture of the C9800
Hardware is often overlooked by software companies and vice versa. However, computer scientist Alan Kay said, “People who are really serious about making software should make their own hardware.” This is a principle dear to Cisco as well to other successful companies, such as Apple, that can leverage unique software capabilities thanks to their hardware. This chapter does not simply list numbers, cite specifications, and throw complex terminology at you but explains the important ideas that are the foundation of the Catalyst 9800 hardware and software architecture and its unique strengths. Let’s start with a quick introduction to the overall controller protocols architecture, which hasn’t ...
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