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Stein Gjessing Bjornar Libaek Petter Teigen July 3. 2003

Access delay timers on add traffic. Continuation of yesterdays discussion: http://www.ifi.uio.no/~steing/rpr/shapeD_sim.ppt. Stein Gjessing Bjornar Libaek Petter Teigen July 3. 2003. Problem and solution.

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Stein Gjessing Bjornar Libaek Petter Teigen July 3. 2003

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  1. Access delay timers on add traffic.Continuation of yesterdays discussion:http://www.ifi.uio.no/~steing/rpr/shapeD_sim.ppt Stein Gjessing Bjornar Libaek Petter Teigen July 3. 2003 802-17-01-nnnnn, iii_xxxxx_vv

  2. Problem and solution • Tried to solve the problem that a low D shaper prevents STQ to fill and hence congestion to be unnoticed. • Have added access delay timers on add traffic to indicate congestion instead of shaping of transit traffic. • In the function “isCongested” on page 225 we added to the dual queue congestion condition: || classBaccessDelayTimerExpired ||classCaccessDelayTimerExpired • Should have added || classAaccessDelayTimerExpired also? 802-17-01-nnnnn, iii_xxxxx_vv

  3. Next page shows: • The rate of A traffic received (by staion 62) from stations 31 through 61 • The rate of C traffic received (by staion 62) from stations 1 through 30 802-17-01-nnnnn, iii_xxxxx_vv

  4. 802-17-01-nnnnn, iii_xxxxx_vv

  5. Next page shows • The value of station 61s shaper credit. • The amount of data (in percent) in station 61s STQ buffer. 802-17-01-nnnnn, iii_xxxxx_vv

  6. 802-17-01-nnnnn, iii_xxxxx_vv

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