Hey guys,
I'm really trying to educate myself about all the factors that go into designing networks, specifically data centers in this case. I seem to hear a lot of talk about expanding L2 domains in the data center, and this has me thinking... at what point does a VLAN become too large in a DC environment?
Obviously broadcasts can take a toll on server resources, but at what point would a VLAN become big enough for that to be a legitimate concern? Or is the real concern actually that a larger VLAN would equal a larger failure domain (in the event that a host gets compromised and/or its NIC malfunctions)?
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