Check Point – QoS

DiffServ (Differentiated Services)
A layer 3 protocol, defined by the IEFT. Used for adding QoS to IP networks.

WFRED(Weighted Flow Random Early Drop)
A process for managing packet buffers, by dropping packets during periods of network congestion.
This is transparent to the user and requires no configuration.

IQ (Intelligent Queuing Engine)
Using information from the Check Point INSPECT engine to classify traffic, the IQ Engine places traffic into a dynamically changing traffic queue. Using the packet scheduler, it moves packets within the queue based on the QoS policy.

RDED (Retransmission Detection Early Drop)
Prevents TCP retransmit storms by stopping redundant retransmits during periods of network congestion.

Rick Donato

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