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The Complete IS-IS Routing Protocol

  • Book
  • © 2005

Overview

Authors:
  1. Hannes Gredler

    1. Schwaz, Austria

    View author publications

    You can also search for this author in PubMed   Google Scholar

  2. Walter Goralski

    1. Phoenix, USA

    View author publications

    You can also search for this author in PubMed   Google Scholar

  • The book deals exclusively with the IS-IS Routing Protocol, which has exploded in popularity but remains fairly poorly documented.
  • Most networking books touch on it, but few are actually dedicated to the complete subject.

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Table of contents (17 chapters)

  1. Front Matter

    Pages i-xvii
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  2. Introduction, Motivation and Historical Background

    Pages 1-9

  3. Router Architecture

    Pages 11-34

  4. Introduction to the IOS and JUNOS Command Line Interface

    Pages 35-78

  5. IS-IS Basics

    Pages 79-108

  6. Neighbour Discovery and Handshaking

    Pages 109-140

  7. Generating, Flooding and Ageing LSPs

    Pages 141-182

  8. Pseudonodes and Designated Routers

    Pages 183-204

  9. Synchronizing Databases

    Pages 205-222

  10. Fragmentation

    Pages 223-245

  11. SPF and Route Calculation

    Pages 247-279

  12. TLVs and Sub-TLVs

    Pages 281-299

  13. IP Reachability Information

    Pages 301-344

  14. IS-IS Extensions

    Pages 345-391

  15. Traffic Engineering and MPLS

    Pages 393-437

  16. Troubleshooting

    Pages 439-474

  17. Network Design

    Pages 475-502

  18. Future of IS-IS

    Pages 503-525

  19. Back Matter

    Pages 527-540
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Keywords

About this book

IS-IS has always been my favourite Interior Gateway Protocol. Its elegant simplicity, its well-structured data formats, its ?exibility and easy extensibility are all appealing – IS-IS epitomizes link-state routing. Whether for this reason or others, IS-IS is the IGP of choice in some of the world’s largest networks. Thus, if one is at all interested in routing, it is well worth the time and effort to learn IS-IS. However, it is hazardous to call any routing protocol “simple”. Every design decision, be it in architecture, implementation or deployment, has consequences, some unanti- pated, some unknowable, some dire. Interactions between different implementations, the dynamic nature of routing, and new protocol features all contribute to making routing protocols complex to design, write and deploy effectively in networks. For example, IS-IS started as a link-state routing protocol for ISO networks. It has since evolved sign- cantly: IS-IS has IPv4 and IPv6 (and IPX) addressing; IS-IS can carry information about multiple topologies; link attributes have expanded to include traf?c engineering para- ters; a new methodology for restarting IS-IS gracefully has been developed. IS-IS even has extensions for use in “non-packet networks”, such as SONET and optical networks, as part of the Generalized Multi-Protocol Label Switching (G-MPLS) protocol suite. Understanding all of what IS-IS offers and keeping abreast of the newer protocol f- tures is a weighty endeavour, but one that is absolutely essential for all serious netwo- ing engineers, whether they are developing code or running networks.

Reviews

From the reviews of the first edition:

"The book presents a wide range of problems concerning operation of the IS-IS routing protocol based on ISO-OSI standards, and belonging to the class of dynamic Interior Gateway and link-state routing protocols. … the material presented in the book is well organized. … the book can be undoubtedly very useful for all networking specialists." (Jozef Wozniak, Zentralblatt MATH, Vol. 1070, 2005)

Authors and Affiliations

  • Schwaz, Austria

    Hannes Gredler

  • Phoenix, USA

    Walter Goralski

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