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Understanding the Linux Network Internals

Librairie Eyrolles - Paris 5e

Understanding the Linux Network Internals

Understanding the Linux Network Internals

Guide Tour to Networking on Linux

1062 pages, parution le 01/03/2006


If you've ever wondered how Linux carries out the complicated tasks assigned to it by the IP protocols -- or if you just want to learn about modern networking through real-life examples - Understanding Linux Network Internals is for you.

Like the popular O'Reilly book, Understanding the Linux Kernel, this book clearly explains the underlying concepts and teaches you how to follow the actual C code that implements it. Although some background in the TCP/IP protocols is helpful, you can learn a great deal from this text about the protocols themselves and their uses. And if you already have a base knowledge of C, you can use the book's code walkthroughs to figure out exactly what this sophisticated part of the Linux kernel is doing.

Part of the difficulty in understanding networks -- and implementing them -- is that the tasks are broken up and performed at many different times by different pieces of code. One of the strengths of this book is to integrate the pieces and reveal the relationships between far-flung functions and data structures. Understanding Linux Network Internals is both a big-picture discussion and a no-nonsense guide to the details of Linux networking. Topics include:

  • Key problems with networking
  • Network interface card (NIC) device drivers
  • System initialization
  • Layer 2 (link-layer) tasks and implementation
  • Layer 3 (IPv4) tasks and implementation
  • Neighbor infrastructure and protocols (ARP)
  • Bridging
  • Routing
  • ICMP

Author Christian Benvenuti, an operating system designer specializing in networking, explains much more than how Linux code works. He shows the purposes of major networking features and the trade-offs involved in choosing one solution over another. A large number of flowcharts and other diagrams enhance the book's understandability.

L'auteur Christian Benvenuti

Christian Benvenuti received his masters degree in Computer Science at the University of Bologna in Italy. He collaborated for a few years with the International Center for Theoretical Physics (ICTP) in Trieste, where he developed ad-hoc software based on the Linux kernel, was a scientific consultant for a project on remote collaboration, and served as an instructor for several training sessions on networking. The trainings, held mainly in Europe, Africa, and South America were all based on Linux systems and addressed to scientists from developing countries, where the ICTP has been promoting Linux for many years. He occasionally collaborates with a non-profit organization founded by ICTP members,, to continue promoting Linux on developing countries.

In the past few years he worked as a software engineer for Cisco Systems in the Silicon Valley, where he focused on Layer two switching, high availability, and network security.


  • General Background
    • Introduction
    • Critical data structures
    • User-space-to-kernel interface
  • System Initialisation
    • Notification chains
    • Network device initialization
    • The PCI layer and network interface cards
    • Kernel infrastructure for component initialization
    • Device registration and initialization
  • Transmission and Reception
    • Interrupts and network drivers
    • Frame reception
    • Frame transmission
    • General and reference material about interrupts
    • Protocol handlers
  • Bridging
    • Bridging : concepts
    • Bridging : the spanning tree protocol
    • Bridging : Linux implementation
    • Bridging : miscellaneous topics
  • Internet protocol version 4 (IPv4)
    • Internet protocol version 4 (IPv4) : concepts
    • Internet protocol version 4 (IPv4) : Linux foundations and features
    • Internet protocol version 4 (IPv4) : forwarding and local delivery
    • Internet protocol version 4 (IPv4) : transmission
    • Internet protocol version 4 (IPv4) : handling fragmentation
    • Internet protocol version 4 (IPv4) : miscellaneous topics
    • Layer four protocol and raw IP handling
    • Internet control message protocol (ICMPv4)
  • Neighboring subsystem
    • Neighboring subsystem : concepts
    • Neighboring subsystem : infrastructure
    • Neighboring subsystem : address resolution protocol (ARP)
    • Neighboring subsystem : miscellaneous topics
  • Routing
    • Routing : concepts
    • Routing : advanced
    • Routing : Linux implementation
    • Routing : the routing cache
    • Routing : routing tables
    • Routing : lookups
    • Routing : miscellaneous topics
Voir tout

Caractéristiques techniques du livre "Understanding the Linux Network Internals"

Éditeur(s) O'Reilly
Auteur(s) Christian Benvenuti
Parution 01/03/2006
Nb. de pages 1062
Format 17,5 x 23,5
Couverture Broché
Poids 1330g
Intérieur Noir et Blanc
EAN13 9780596002558
ISBN13 978-0-596-00255-8


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