Quality of Service (QoS) in Data Networks
Overview
Quality of Service
QoS Components
Traffic Shaping
Token Bucket Shaper
Traffic Policing
Peak Rate Policing with Leaky Bucket
Queuing and Scheduling for QoS
ATM Networks
ATM Service Categories
Service Class and QoS Parameters
ATM QoS
ATM QoS: Issues
Integrated Services
RSVP
RSVP Messages
After
RSVP and Integrated Services: Issues
Differentiated Services
Per-hop Behaviors (PHBs)
Expedited Forwarding
Assured Forwarding
Problems with DiffServ
Multiprotocol Label Switching (MPLS)
Label Switching Example
Traffic Engineering Using MPLS
IEEE 802.1D Model
End-to-end QoS
QoS Debate
Comparison of QoS Approaches
Radio Spectrum Management
CAC: Blocking vs Dropping
Mean Opinion Score (MOS)
Voice Codecs
VOIP Quality Factors
Transmission Impairments
VOIP over 802.11
Selective Packet Marking
Summary
Home Page: http://www1.cse.wustl.edu/~jain/
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