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Understanding CIDR vs VLSM in subnetting

vlsm cidr

Classless Inter Domain Routing (CIDR) e Variable Length Subnet Mask (VLSM) were introduced to use the IP addressing space in a more efficient way, but also to improve the scalability for the global routing mechanism. The exponential growth of the Internet in the past 20 years highlighted shortcomings in the …

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Lifelong Education for Network Engineers

Education for network engineers

I will start this article with a famous quote: “Education is the most powerful weapon which you can use to change the world”. As you may suppose, the purpose of this article is not to explain any kind of technology, nor to dive deep into anything technical, but to make …

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IP Address Classes: the Definitive Guide

ip address class

Ever wondered how the IP Address Classes are defined and used in the network devices? If so, keep reading! Electronic devices such as computers and routers rely on an internal binary architecture. They use bits that can only have two mathematical values: '0' and '1'. The decimal/binary conversion is fundamental …

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