November 1999
Intermediate to advanced
576 pages
15h 3m
English
book
Large-Scale IP Network Solutions (CCIE Professional Development)
by Khalid Raza - CCIE, Mark Turner
Content preview from Large-Scale IP Network Solutions (CCIE Professional Development)
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Router Architecture
In Chapter 1, “Evolution of Data Networks,” you learned about the evolution of router technology within the early Internet. Essentially two approaches were presented:
A single computer/central-processor approach, such as the original NSFNET “fuzzball” routers
The parallel switching/multi-processor nodal switching subsystems (the successor)
Each approach is discussed in more detail in the following sections.
Note
A router isolates the link-layer broadcast domains of subnetworks, forwards IP packets between the domains, decrements the TTL, and sometimes performs media translation and fragmentation. To make a forwarding decision, the router exchanges topological information about the network with other routers.
Single CPU Designs ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.