EECS 122, Lecture 20
Congestion Control Model
Relationship to Window Sizes
Goal of Congestion Control
What Happens at a Router
FIFO Queues
Observations on FIFO
Variants on FIFO
Traffic-Sensitive Queuing
Fair Queuing (and R/R)
FQ Details
Observations on FQ
General Packet Handling Model
Active Buffer Management
Random Early Detection (RED)
RED Operation
RED Characteristics
Congestion Avoidance & Control
Congestion Control Taxonomies
Open Loop Congestion Control
Closed Loop Congestion Control
Perspective on Approaches
Evaluation Criteria
Effectiveness
Network Power
Jain’s Fairness Index
Congestion Control with TCP
Challenges for TCP
Email: kfall@cs.berkeley.edu
Home Page: http://www-inst.eecs.berkeley.edu/~ee122