The Complete IS-IS Routing Protocol

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Beschreibung

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.

Zusammenfassung

The appeal of The Complete IS-IS Routing Protocol is the hole it plugs in the modern-day networking needs of thousands of service providers the world over. While service providers deploy advanced technologies like MPLS, VPNs and Traffic Engineering, there is a fundamental lack of understanding of the glue that holds these Autonomous Systems together. The Complete IS-IS Routing Protocol is a comprehensive way to empower growing number of ISPs network engineers, architects, and operators to truly understand IS-IS in depth and in a way they can use right away.

Inhaltsverzeichnis

Introduction, Motivation and Historical Background.- Router Architecture.- to the IOS and JUNOS Command Line Interface.- IS-IS Basics.- Neighbour Discovery and Handshaking.- Generating, Flooding and Ageing LSPs.- Pseudonodes and Designated Routers.- Synchronizing Databases.- Fragmentation.- SPF and Route Calculation.- TLVs and Sub-TLVs.- IP Reachability Information.- IS-IS Extensions.- Traffic Engineering and MPLS.- Troubleshooting.- Network Design.- Future of IS-IS.

Erscheinungsjahr:	2005
Fachbereich:	Datenkommunikation, Netze & Mailboxen
Genre:	Informatik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Inhalt:	xvii 540 S. 248 s/w Illustr. 540 p. 248 illus.
ISBN-13:	9781852338220
ISBN-10:	1852338229
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Autor:	Goralski, Walter Gredler, Hannes
Hersteller:	Springer London Springer-Verlag London Ltd.
Maße:	235 x 155 x 30 mm
Von/Mit:	Walter Goralski (u. a.)
Erscheinungsdatum:	03.02.2005
Gewicht:	0,838 kg

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