Table of Contents
An Egress Queue Manager for 8 X 100 Mbps and 1 X 1 Gbps Ethernet switch port controllers
Egress Queue Manager (EQM)
Egress Queue Manager functions
Presentation overview
PMC-Sierra’s EXACT Ethernet switching chip set
EXACT Ethernet switch evaluation system (24+2)
PMC-Sierra EXACT port controller
Port controller ingress datapath
Port controller egress datapath
Queuing using partial packet buffers
Presentation overview
EXACT protocol
EXACT messages
EXACT protocol
EXACT protocol: 1 Gbps extensions
Presentation overview
EQM design goals
EQM block diagram
Queue Allocate/Data Block Processor
Queue Allocate/Data Block Processor: 1 Gbps mode extensions
Transmit Pending Arrays (TPA) 8 x 100 Mbps configuration
Transmit Pending Array (TPA) 1 x 1 Gbps configuration
Queue fetch scheduler
Presentation overview
Strict priority scheduling
Weighted fair scheduling
Credit operations
Credit operations: Service Round 1
Credit operations: Service Round 1
Credit operations: Service Round 1
Credit operations: Service Round 1
Credit operations: Service Round 1
Credit operations: Service Round 2
Weighted priority scheduling
Comparison of scheduling modes
Presentation overview
Weighted fair queuing history
Weighted Fair Queuing history
Weighted Fair Queuing history
Weighted Fair Queuing history
EQM’s fair queuing features
EQM’s fair queuing features
EQM’s fair queuing features
Gigabit TPA Scanner/Processor
Gigabit scanner/processor
Gigabit scanner/processor
Presentation overview
Simulations
Simulations
Simulations
Simulations
Simulation results: Weighted Fair Scheduling 1Gbps
Simulation results: Weighted Fair Scheduling 1Gbps
Simulation results: Weighted Fair Scheduling 1Gbps
Simulation results: Weighted Fair Scheduling 1Gbps
Presentation overview
Summary
Summary
Acknowledgements
References
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