scholarly journals SDN enabled flexible optical data center network with dynamic bandwidth allocation based on photonic integrated wavelength selective switch

2020 ◽  
Vol 28 (6) ◽  
pp. 8949
Author(s):  
Xuwei Xue ◽  
Fumi Nakamura ◽  
Kristif Prifti ◽  
Bitao Pan ◽  
Fulong Yan ◽  
...  
Keyword(s):  
Data Center ◽  
Bandwidth Allocation ◽  
Optical Data ◽  
Dynamic Bandwidth Allocation ◽  
Data Center Network ◽  
Wavelength Selective Switch ◽  
Dynamic Bandwidth

scholarly journals ReDCN: A Dynamic Bandwidth Enabled Optical Reconfigurable Data Center Network

2021 ◽  
Author(s):  
Xinwei Zhang ◽  
Zuoqing Zhao ◽  
Yisong Zhao ◽  
Yuanzhi Guo ◽  
Xuwei Xue ◽  
...  
Keyword(s):  
Real Time ◽  
Packet Loss ◽  
Data Center ◽  
Network Performance ◽  
Optical Data ◽  
Data Center Network ◽  
Numerical Investigations ◽  
Rigid Link ◽  
Real Time Traffic ◽  
Dynamic Bandwidth

A reconfigurable optical data center network is proposed, in which the optical bandwidth can be automatically reconfigured by reallocating time slots based on the real time traffic. Numerical investigations validate that the network performance of packet loss after reconfiguration decreases by 58.5%, and the end-to-end latency decreases by 63.8% with comparison to the network with rigid link interconnections, and thereby increasing the 9.4% of throughput at load of 0.8.

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