Author

Md. Imtiaz Ahmed

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Open access Aug 2026

Design and Evaluation of PSA-FRR and PSAR-FRR for Fast Reroute in Homogeneous and Hybrid SDN Networks

Fast Reroute (FRR) after link failures is essential for carrier-grade Software-Defined Networking (SDN), yet hybrid deployments remain dominated by slow legacy routing convergence. This paper presents two port-state-driven FRR mechanisms for homogeneous and hybrid SDN networks. First, Port-State-Aware Fast Reroute (PSA...

Md. Imtiaz Ahmed, Yaser Al Mtawa · Network · 0 citations

Enhancing Network Reliability in Software Defined Networks: Controller Placement and Fast Reroute Mechanisms

This thesis provides an end-to-end mathematical and machine learning framework for designing dependable, low-latency, and scalable SDN infrastructures.

Md. Imtiaz Ahmed · 0 citations