Enhancing capacity of optical circuit switching Clos network in data center: progress and challenges

E Oki, H Taka, T Inoue - 2024 33rd International Conference on …, 2024 - ieeexplore.ieee.org
Future data centers are anticipated to embrace cutting-edge circuit switching technologies,
particularly optical switching, renowned for their heightened transmission capacity and …

Efficient fiber-inspection and certification method for optical-circuit-switched datacenter networks

K Anazawa, T Inoue, T Mano, H Nishizawa… - Journal of Optical …, 2024 - opg.optica.org
Datacenter networks (DCNs) consisting of optical circuit switches (OCSs) have been
considered as a promising solution to dramatically improve their transmission capacity …

Design of Twisted and Folded-Clos Network With Guaranteeing Admissible Blocking Probability

H Taka, T Inoue, E Oki - IEEE Networking Letters, 2023 - ieeexplore.ieee.org
A Clos network is well known as a switching network structure that can achieve a strict-
sense non-blocking condition. However, the non-blocking condition is too restrictive to …

Nonblocking conditions for Clos fabrics with non-uniform switch radixes

T Inoue, T Mano, K Anazawa, T Uno - Journal of Optical …, 2024 - opg.optica.org
<? TeX 2pc 0pt?> Datacenter networks (DCNs) evolve over years and so comprise switches
from different generations. Thus, each stage/layer of the Clos fabric may consist of switches …

Design model of a twisted and folded Clos network with multi-step grouped intermediate switches guaranteeing admissible blocking probability

H Taka, T Inoue, E Oki - Journal of Optical Communications and …, 2024 - opg.optica.org
A future data center network is expected to be constructed by a Clos network consisting of
optical-circuit switches to deal with traffic growth. A previous model addressed a Clos …

Twisted and folded Clos-network design model with two-step blocking probability guarantee

H Taka, T Inoue, E Oki - IEEE Networking Letters, 2023 - ieeexplore.ieee.org
A data center network often employs a Clos-network structure due to scalability nature. A
previous design model analyzed blocking probability to guarantee the quality of Clos …

Optical circuit switched three-stage twisted-folded Clos-network design model guaranteeing admissible blocking probability

R Taniguchi, T Inoue, K Anazawa… - Journal of Optical …, 2024 - opg.optica.org
<? TeX 2pc 0pt?> Some data center networks have already started to use optical circuit
switching (OCS) with potential performance benefits, including high capacity, low latency …

Space–Space–Wavelength and Wavelength–Space–Space Switch Structures for Flexible Optical Networks

W Kabaciński, A Al-Tameemi - Electronics, 2024 - mdpi.com
In the literature, three-stage switching networks have been considered for nodes in elastic
optical networks, where switches with spectrum conversion capability are placed in the first …

Efficient Fiber-Inspection Method for Optical-Circuit Datacenter Networks

K Anazawa, T Inoue, T Mano, W Ishida… - … 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
Data center networks (DCNs) consisting of optical-circuit switches (OCSes) have been
intensively studied due to optical transmission's high capacity and energy efficiency. Since …

Toward Increasing Switching Capacity of Twisted and Folded Clos Network Guaranteeing Admissible Blocking Probability

E Oki, H Taka, T Inou - 2024 24th International Conference on …, 2024 - ieeexplore.ieee.org
Anticipated is the establishing of a future data center network, built with a Clos network
comprising optical-circuit switches to manage the increasing traffic volume. A twisted and …