Chapter 1: Introducing Cisco IOS XR
This chapter reviews the evolution of network operating systems (NOS), requirements for current and future networks, and how Cisco IOS XR meets these requirements. The first section of this chapter provides an overview of the evolution of networking. The second section outlines the requirements for a carrier-grade NOS that underpins a converged network with critical applications. The third section reviews basic concepts of operating systems. The final sections provide a high-level overview of Cisco IOS XR.
This chapter covers the following subjects:
Evolution of Networking
Requirements for Carrier-Grade NOS
Operating System Concepts
High-Level Overview of Cisco IOS XR
Cisco IOS XR Platforms
You must be logged in to access this content.
We would like to get your feedback; please comment and/or rate this document