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Cisco IOS XR Fundamentals, 1st edition

  • Mobeen Tahir
  • Mark Ghattas
  • Dawit Birhanu
  • Syed Natif Nawaz

Published by Cisco Press (June 1st 2009) - Copyright © 2009

1st edition

Cisco IOS XR Fundamentals

ISBN-13: 9781587052712

Includes: Paperback
Free delivery

Permanently unavailable

What's included

  • Paperback

    You'll get a bound printed text.


Table of contents



Chapter 1 Introducing Cisco IOS XR

Evolution of Networking

Requirements for Carrier-Grade NOS




        Hardware Redundancy

        Failure Recovery and Microkernel-Based NOS

        Process Restartability

        Failure Detection

        Software Upgrades and Patching


    Service Flexibility

Operating System Concepts

    Basic Functions of an Operating System

        Process Scheduling

        Interrupt Handling

        Memory Management


        Interprocess Communication

        Dynamic Link Library

        Portable Operating System Interface

High-Level Overview of Cisco IOS XR

Cisco IOS XR Platforms

    Cisco CRS-1 Carrier Routing System

    Cisco XR 12000 Series

    Cisco ASR 9000 Series

Chapter 2 Cisco IOS XR Infrastructure

Cisco IOS XR Kernel


    Scheduling Algorithms

    Synchronization Services

Cisco IOS XR System Manager

    Process Attributes

    System Manager and Process Lifecycle

    CLI for Sysmgr and Processes

Interprocess Communication

    Characteristics of IPC Mechanisms

        Synchronous Versus Asynchronous

        Intra-node Versus Inter-node

        Connection-Oriented Versus Rendezvous

        Point-to-Point Versus Point-to-Multipoint

    Light Weight Messaging

    Group Service Protocol

    Atomic Descriptor Ring


Distributed Services


    Bulk Content Downloader

Process Placement

Cisco IOS XR System Database

High Availability Architecture

Forwarding Path

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