Router Architectures
Architecture starts when you carefully put two bricks together. There it begins.
Ludwig Mies van der Rohe
Abstract
In this chapter, we present an overview of router architectures. We list the critical functions of a router, besides forwarding a packet. For the different network sizes deployed, routers are designed to be of different sizes and handling capabilities in terms of address lookup. Therfore, we present a classfication of routers into four categories: shared CPU architecture, shared forwarding engine architecture, shared nothing architecture, and clustere architecture.
Keywords
router; functions and components of a router; routing versus forwarding; types of routers; elements of a router; ...
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