PPT Slide

QoS Extensions to OSPF

• Based on GateD 4.0 and the “new” OSPF code
  • Extends topology database and LSA format to support TOS encoding of available bandwidth

• Path computations models supported
  • Pre-computed ? (separate) QoS routing table
  • Computed on-demand

• Change based update triggering (thresholds)
  • Parameterized by threshold value and hold-on timers

• Simplifying assumptions
  • Single OSPF area
  • All routers run extended OSPF

Previous slide

Next slide

Back to first slide

View graphic version