It is desirable to provide a degree of among classes so that one class is not adversely affected by another class of traffic that misbehaves.

The right approach is "Traffic isolation ".

Explanation:

A significant amount of those same traffic insulation is necessary. Therefore one class isn't influenced by yet another traffic class which makes a mistake. Then maybe the packages throughout the traffic could collapse. This also eliminates uncertainty with people operating the infrastructure. If you don't need the VLANs to speak to one another because you could implement anything about this illustration as well as add it to certain VLANs.