'Congestion indication' diaporamas de présentation

Lecture 7

887 views • 50 slides

Router Congestion Control: RED, ECN, and XCP

Router Congestion Control: RED, ECN, and XCP. Where we left off. Signal of congestion: Packet loss Fairness: Cooperating end-hosts using AIMD Next lecture: Enforcement for QoS, rate, delay, jitter guarantees But note: A packet drop is a very blunt indicator of congestion

648 views • 29 slides

Router Congestion Control: RED, ECN, and XCP

Router Congestion Control: RED, ECN, and XCP. Where we left off. Signal of congestion: Packet loss Fairness: Cooperating end-hosts using AIMD Next lecture: Enforcement for QoS, rate, delay, jitter guarantees But note: A packet drop is a very blunt indicator of congestion

386 views • 29 slides

Principles of congestion control

Principles of congestion control. Contents. Causes and cost of congestion Three examples How to handle congestion End-to-end Network-assisted TCP congestion control ATM ABR congestion control Summary. What is congestion?. Overflowing of routers buffers Packet retransmission

429 views • 16 slides