Quality of Service (QoS) in Data Networks

• 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
• 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

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