This memo proposes another short-term solution, address reuse, that complements CIDR or even makes it unnecessary. The address reuse solution is to place Network Address Translators (NAT) at the borders of stub domains. This memo provides information for the Internet community. This memo does not sp...
From the conclusion:
NAT may be a good short term solution to the address depletion and
scaling problems. This is because it requires very few changes and
can be installed incrementally. NAT has several negative
characteristics that make it inappropriate as a long term solution, and may make it inappropriate even as a short term solution. Only
implementation and experimentation will determine its
appropriateness.
I've only recently branched out from router defaults...only reason was that I wanted to VLAN off my home network, and mostly just so [Home Assistant-controlled] smart devices can't talk to the Internet at all.
Whenever I'm given the chance at work, I let my feelings be known about using "consumer grade addressing schema" in production clusters. Sure, I use it at home, but anything beginning with "192.168" looks like my moms wifi, and has no right being part of a production network.
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