Network Management: How Big Should Your Network Box Be?
A while back we discussed the dangers of working inside a box, when a particular management discipline (e.g network management) dominates other decisions and prevents you from solving the real problem of assuring application performance. It is not co-incidental that networking aspects are becoming more and more important.
It used to be the case that network bandwidth was abundant in a data center. Modern 10Gb and 40Gb switching backplanes are hard to saturate in the traditional partitioned network layouts. The max number of ports per VLAN is fairly low, that’s why saturating all available switch capacity is unlikely.
But SDN changed everything. The networks have become very flat, VXLANs can accommodate thousands of applications talking to each other and all of sudden what used to look like a healthy network infrastructure could become a serious congestion point.
Read the entire article here, Network Management: How Big Should Your Network Box Be?
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