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Explore Quality of Service (QoS) concepts in networking through this 38-minute video lecture. Dive into topics such as base rates, bandwidth calculation, power over Ethernet for phones, and good design practices. Learn about delay, jitter, and packet loss, as well as various QoS methods including IntServ and DiffServ. Examine queuing methods, congestion avoidance techniques like RED and WRED, and understand the implementation of Modular QoS. Discover the importance of Class Maps, Policy Maps, and different queuing techniques such as Priority Queuing (PQ), Custom Queuing (CQ), and Weighted Round Robin Queuing (WRRQ). Gain insights into Remote SPAN (RSPAN) and its applications in network monitoring and troubleshooting.
Syllabus
Intro
Base rate
ISDN, E1 and T1
Bandwidth calculation
Providing power to the phone over Ethernet
Good design practices
Delay, Jitter and Packet Loss
Delays
QoS Methods
IntServ and DiffServ
DiffServ values
Queuing methods
Congestion Avoidance
RED and WRED
Example of Modular Qos
First define Class Map
Next define Policy map
Priority Queuing (PQ)
Custom Queuing (CQ)
WRRQ
Remote SPAN (RSPAN)
Taught by
Bill Buchanan OBE