- Written by Tanuj Kumar Jhamb
- Posted on July 2, 2024
- Updated on July 3, 2024
- 1448 Views
ECN (Explicit Congestion Notification) is a mechanism of notifying network congestion without dropping the packets.The ECN based network congestion notification can be done in two ways: queue-length based ECN, latency based ECN. The queue-length based ECN marks the ECT packets when the average VOQ length exceeds the configured ECN threshold value whereas latency based