A Priority Queueing Strategy for Delay and Loss Control in ATM Switching Systems
碩士 === 國立清華大學 === 資訊科學學系 === 81 === In this thesis, we concern with the problem of controlling the cell delay and loss simultaneously in an ATM packet switch supporting BISDN services. Finite buffering capacity for each output port is assum...
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| Format: | Others |
| Language: | en_US |
| Published: |
1993
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| Online Access: | http://ndltd.ncl.edu.tw/handle/04774075098031236367 |
| Summary: | 碩士 === 國立清華大學 === 資訊科學學系 === 81 === In this thesis, we concern with the problem of controlling the
cell delay and loss simultaneously in an ATM packet switch
supporting BISDN services. Finite buffering capacity for each
output port is assumed. The delay and loss control strategy is
to assign both delay and loss priorities to different services.
Loss-sensitive cells are given a higher priority to access the
buffer to ensure a smaller cell loss probability; while delay-
sensitive cells are given a higher priority to access the
output link to meet the shorter delay requirement. Four traffic
classes of combining two different delay and loss requirements
are considered. We analyze the performance of the mean waiting
time and the cell loss probabilities for all four traffic
classes. Numerical results indicate that the proposed priority
queueing strategy is quite effective.
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