Scalable Deterministic Scheduling for WDM Slot Switching Xhaul with Zero-Jitter
Résumé
A low-cost WDM slot switching "N-GREEN" network is studied for the Xhaul application. We assess the impact of inter-slot intervals on the jitter in N-GREEN and propose a deterministic scheduler ensuring a zero-jitter performance as needed by CPRI traffic. We also propose an integer linear program and a corresponding scalable heuristic and use these tools to evaluate the efficiency of the new scheduler within the N-GREEN technology. The results show important savings and improvements in cost, energy consumption, latency and jitter using N-GREEN w.r.t. state-of-the-art Ethernet Xhaul.
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