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QoS - Coggle Diagram
QoS
Classification and Marking
Classification Basics
Forward -> Classify -> Queue -> Scheduling (Prioritization)
Marking
Change one or more header fields
DSCP
NBAR
Marking IP DSCP and Ethernet CoS
Marking the IP Header
IP Precedence (IPP) 3 bits
DSCP 6 bits
Marking the Ethernet 802.1Q Header
Class of Service = Priority Code Point
Other Marking Fields
TID -> 802.11 (WiFi)
EXP -> MPLS Label (Over MPLS WAN)
Defining Trust Boundaries
The
trust boundary
Switch
IP phone
DiffServ Suggested Marking Values
Expedited Forwarding (EF)
Assured Forwarding (AF)
Class Selector (CS)
Guidelines for DSCHP Marking Values
DSCP EF -> Voice payload
AF4x -> Interactive video
AF3X -> Streaming video
AF2x -> High priority (low latency) data
CS0 -> Standard data
Introduction
Managing
Bandwidth
Delay
Jitter
Loss
Types of Traffic
Data Applications
Voice and Video applications
This book
Classification and Marking
Queuing
Shaping and Policing
Congestion Avoidance
Queuing
Round-Robin Scheduling (Prioritization)
Low Latency Queuing
A Priorization Strategy
Shaping and Policing
Policing
Shaping
Congestion Avoidance
TCP Windowing Basics
Congestion avoidance tools