Large-Scale IP Network Solutions (CCIE Professional Development)
by Khalid Raza - CCIE, Mark Turner
Chapter 5. Routers
The fundamental role of the router is route computation, packet scheduling, and forwarding. This role has become confused as vendors bundle more functionality into operating systems and platforms that traditionally focused on simple routing and packet forwarding.
Accounting, security filtering, encapsulation, tunneling, address translation, packet classification, and proxying are just a few of the capabilities being squeezed into what is more accurately termed a general-purpose network appliance.Routing is merely a subset of this appliance's capabilities.
This chapter provides an overview of modern IP routers. We focus on router functionality that is central to building a large-scale network. Specifically, the following issues ...
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