Storage Area Networks (SAN)

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Got SAN Congestion? Dynamic Ingress Rate Limiting (DIRL) is the Solution

By David Mannenbach posted Fri March 18, 2022 07:25 PM

  
DIRL prevents the spreading of network congestion caused by performance issues or slow-drain in a Storage Area Network (SAN).

The Cisco DIRL feature detects any symptoms of egress congestion on the switch ports. Then, it limits ingress data to prevent congestion in the egress direction. DIRL dynamically adapts the ingress traffic rate until the egress congestion is stabilized.


DRIL Overview


DRIL Solution
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