this post was submitted on 25 Mar 2024
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[Outdated, please look at pinned post] Casual Conversation
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Class A/B/C in networking. I always wondered why there were classes if you would use a subnetmask regardless.
Took me a while to realize that class notation was only used before sub netmasks were a thing. The best you could do is to ignore them completely.
Networking is a wonderful field where you think you understand it until you look at the parts and realize you had it all wrong.
The class notation is still meaningful. If we were talking about your particular network mask I might ask you what class it is. Telling me would give an understanding of size or hops or whatever. Granted, it is class C 99% of the time. Probably smaller. But then I’m certainly no networkologist.
A subnet is defined by its netmask. Classes are useless nowadays IMHO.
At least for me they created more confusion than anything else. Why are there classes if the netmask defines the subnet size? Because there was a time before netmasks, just ignore them