The Emergency Health Threat (EHT) on Brocade FC fabrics

Good post by Erwin van Londen (thank you)

Since a couple of FOS versions ago Brocade wanted to fix the problem Fibre-Channel has by definition called credit back-pressure. The word “problem” overstated since in 99.99999% of all fabrics you’ll never see this anyway.  As you know Fibre-Channel is a deterministic architected type of network which requires devices to behave properly. The chaos theory of Ethernet networks where flooding and broadcasts are more along the line of shoot the fly with a cannon doesn’t apply to Fibre-Channel.

Read on here

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