November 2005
Intermediate to advanced
480 pages
13h 38m
English
Content preview from OSPF and IS-IS: Choosing an IGP for Large-Scale Networks
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Chapter 8. Scaling
Scalable may well be one of the most overused words in the network designer’s lexicon. It applies to protocols, to software, to operating systems, to hardware architecture, and to networks. Scalable means, simply enough, the ability of the relevant entity (select one from the list just given) to get much bigger than it presently is without reducing performance, stability, or accuracy; making your customers angry; or getting you fired.
You have already encountered in this book a number of features that make OSPF and IS-IS scalable from the smallest to the largest networks. The most prominent feature for both protocols is areas. By dividing a network into multiple areas, you can control in each area the scope of flooding, the ...
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