Download - Bandwidth Allocation in Self-Sizing Networks André C. Drummond Prof. Nelson L. S. da Fonseca
Bandwidth Allocation in Self-Sizing Networks
Bandwidth Allocation in Self-Sizing Networks
André C. Drummond
Prof. Nelson L. S. da Fonseca
Measurement Based Equivalent Bandwidth Estimators Evaluation
Measurement Based Equivalent Bandwidth Estimators Evaluation
FEP – Fractal Brownian Motion Envelope Process based Estimator:
GA – Gaussian Approximation Allocation Estimator:
Numeric Results – FEP vs GA Estimative
Numeric Results – FEP vs GA Estimative
Voice (Exponential)
● 400 fonts● 12 Mbps● Hurst 0.6
Data (Pareto)
● 15 Mbps● Hurst 0.75
Video (Real traces)
● 180 fonts● 75 Mbps● Hurst 0.9
FEP is robust and better adapts to different network scenario!
Bandwidth Allocation in Self-Sizing Networks
Bandwidth Allocation in Self-Sizing Networks
The Band Partitioning Problem inherits some uncertainties:● Bandwidth estimators uncertainties;● Network traffic fluctuations;
A Multi-Objective Fuzzy Optimization Model was proposed.
Numeric Results – Classic vs Fuzzy ModelNumeric Results – Classic vs Fuzzy Model
Fuzzy model packet loss values are 54% lower.
Fuzzy model delay values are 33% lower.
Fuzzy model allocates more 9% of link capacity.
The Fuzzy Model provides more flexibility to cope with sudden increases on traffic!