Conference paper Open Access

Bandwidth Allocation in the NEPHELE Hybrid Optical Interconnect

K. Christodoulopoulos, K. Kontodimas, K. Yiannopoulos, and E. Varvarigos

The NEPHELE network is divided into pods of racks and relies on hybrid electro-optical top-of rack switches that access an all-optical network. To enable dynamic and efficient sharing of the optical resources and a collision-free network operation, the NEPHELE network is envisioned to be operated in a slotted TDMA manner with a software-defined-network (SDN) based control plane. We describe the NEPHELE resource allocation problem and present a number of algorithmic solutions suitable to tackle different traffic scenarios.

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