Abstract
A new, more realistic model for the ABR traffic class in ATM network congestion control is introduced and analyzed. The new discrete time model takes into account the effect of time-variant buffer occupancy levels of ATM switches, thus treating the case of time-variant delays between a single congested node and the connected sources. For highly dynamic situations, such a model is crucial for a valid analysis of the resulting feedback system. The new model also handles the effects of the mismatch between the RM cell rates and the variable bit rate controller sampling rate as well as buffer and rate nonlinearities. A stability study is presented, that shows an equilibrium in the buffer occupancy level is not possible if time-variant delays are present in the forward path. Stability conditions for the case of time-variant delays in the return path are derived. Finally, illustrating examples are provided.
| Original language | English (US) |
|---|---|
| Title of host publication | Proceedings of the American Control Conference |
| Pages | 4537-4543 |
| Number of pages | 7 |
| Volume | 6 |
| State | Published - 2001 |
| Externally published | Yes |
| Event | 2001 American Control Conference - Arlington, VA, United States Duration: Jun 25 2001 → Jun 27 2001 |
Other
| Other | 2001 American Control Conference |
|---|---|
| Country | United States |
| City | Arlington, VA |
| Period | 6/25/01 → 6/27/01 |
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ASJC Scopus subject areas
- Control and Systems Engineering
Cite this
The effect of uncertain time variant delays in ATM networks with explicit rate feedback. / Sichitiu, M. L.; Bauer, P. H.; Premaratne, Kamal.
Proceedings of the American Control Conference. Vol. 6 2001. p. 4537-4543.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - The effect of uncertain time variant delays in ATM networks with explicit rate feedback
AU - Sichitiu, M. L.
AU - Bauer, P. H.
AU - Premaratne, Kamal
PY - 2001
Y1 - 2001
N2 - A new, more realistic model for the ABR traffic class in ATM network congestion control is introduced and analyzed. The new discrete time model takes into account the effect of time-variant buffer occupancy levels of ATM switches, thus treating the case of time-variant delays between a single congested node and the connected sources. For highly dynamic situations, such a model is crucial for a valid analysis of the resulting feedback system. The new model also handles the effects of the mismatch between the RM cell rates and the variable bit rate controller sampling rate as well as buffer and rate nonlinearities. A stability study is presented, that shows an equilibrium in the buffer occupancy level is not possible if time-variant delays are present in the forward path. Stability conditions for the case of time-variant delays in the return path are derived. Finally, illustrating examples are provided.
AB - A new, more realistic model for the ABR traffic class in ATM network congestion control is introduced and analyzed. The new discrete time model takes into account the effect of time-variant buffer occupancy levels of ATM switches, thus treating the case of time-variant delays between a single congested node and the connected sources. For highly dynamic situations, such a model is crucial for a valid analysis of the resulting feedback system. The new model also handles the effects of the mismatch between the RM cell rates and the variable bit rate controller sampling rate as well as buffer and rate nonlinearities. A stability study is presented, that shows an equilibrium in the buffer occupancy level is not possible if time-variant delays are present in the forward path. Stability conditions for the case of time-variant delays in the return path are derived. Finally, illustrating examples are provided.
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UR - http://www.scopus.com/inward/citedby.url?scp=0034853708&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:0034853708
VL - 6
SP - 4537
EP - 4543
BT - Proceedings of the American Control Conference
ER -