October 2025
Intermediate to advanced
640 pages
19h 35m
German
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Kapitel 4: Subnetting und CIDR
Wir haben bereits aufgezeigt, dass der IPv4-Adressraum mit seinen nominell 4,3 Milliarden Adressen nicht annähernd ausreicht, um den heutigen Adressierungsbedarf im Internet zu decken. Um dieses Problem abzumildern, wurden die privaten IP-Adressen eingeführt, über die mithilfe von NAT eine Verbindung mit dem Internet hergestellt werden kann. Allerdings war die Verschwendung von vorhandenen IP-Adressen durch die sehr grobe Einteilung in die Netzklassen A, B und C ein weiteres Problem, das bereits frühzeitig erkannt wurde. Hier setzen das Subnetting und seine Weiterentwicklung CIDR an. Damit ist eine flexiblere Aufteilung in Teilnetze möglich, um den Verschnitt an verfügbaren IPv4-Adressen möglichst gering zu halten. ...
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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.