Crosstalk-Aware Virtual Network Mapping Algorithm in Space Division Multiplexing Elastic Optical Networks

Danping Ren; Li Zhang; Jinhua Hu

doi:10.3788/AOS221401

Journals >Acta Optica Sinica >Volume 43 >Issue 5 >Page 0506003 > Article

Acta Optica Sinica
Vol. 43, Issue 5, 0506003 (2023)

Crosstalk-Aware Virtual Network Mapping Algorithm in Space Division Multiplexing Elastic Optical Networks

Danping Ren^1、2、*, Li Zhang^1、2, and Jinhua Hu^1、2

Author Affiliations

¹Hebei Key Laboratory of Security Protection Information Sensing and Processing, Handan 056038, Hebei, China

²School of Information and Electrical Engineering, Hebei University of Engineering, Handan 056038, Hebei, China

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DOI: 10.3788/AOS221401 Cite this Article Set citation alerts

Danping Ren, Li Zhang, Jinhua Hu. Crosstalk-Aware Virtual Network Mapping Algorithm in Space Division Multiplexing Elastic Optical Networks[J]. Acta Optica Sinica, 2023, 43(5): 0506003 Copy Citation Text

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Fig. 1. Trench-assigned seven-core optical fiber

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Fig. 2. Virtual network model

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Fig. 3. Virtual and physical network models

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Fig. 4. Spectrum partition diagram

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Fig. 5. Pseudo code of CA-VNM algorithm

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Fig. 6. NSFNET network topology model

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Fig. 7. Virtual network request acceptance rate in NSFNET network

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Fig. 8. Spectrum resource utilization rate in NSFNET network

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Fig. 9. XTIR in NSFNET network

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Parameter	Value
$k$	3.16 $\times 10^{- 4}$
$r$ /mm	55
$β$ /m^-1	$4 \times 10^{6}$
$ω$ /μm	45
${X_{T}}_{,}_{t h r e s h o l d}$ /dB	-32

Table 1. Optical fiber parameters

Algorithm	Time complexity
SD-VNM	$O \{{\|N^{(v)}\|}^{2} + \|N^{(s)}\| \|N^{(v)}\| + K \|C^{(s)}\| I \|F\| [\|N^{(s)}\| l o g \|N^{(s)}\|]\}$
CA-VNM	$O \{{\|N^{(v)}\|}^{2} + \|N^{(s)}\| \|N^{(v)}\| + \|N^{(s)}\| \|C^{(s)}\| \|F\| [\|L^{(s)}\| + \|N^{(s)}\| l o g \|N^{(s)}\|] + K \|C^{(s)}\| I \|F\| [\|N^{(s)}\| l o g \|N^{(s)}\|]\}$
LCLC-VNM	$O \{\|N^{(v)}\| + \|N^{(s)}\| \|N^{(v)}\| + \|C^{(s)}\| \|F\| [\|N^{(s)}\| l o g \|N^{(s)}\|]\}$
LCLC-FS	$O \{\|N^{(v)}\| + \|N^{(s)}\| \|N^{(v)}\| + K \|C^{(s)}\| I \|F\| [\|N^{(s)}\| l o g \|N^{(s)}\|]\}$
LCLC-ND	$O \{{\|N^{(v)}\|}^{2} + \|N^{(s)}\| \|N^{(v)}\| + \|N^{(s)}\| \|C^{(s)}\| \|F\| [\|L^{(s)}\| + \|N^{(s)}\| l o g \|N^{(s)}\|] + \|C^{(s)}\| \|F\| [\|N^{(s)}\| l o g \|N^{(s)}\|]\}$
SVNE-RMSC	$O \{{\|N^{(v)}\|}^{2} + \|N^{(s)}\| \|C^{(s)}\| \|F\| [\|L^{(s)}\| + \|N^{(s)}\| l o g \|N^{(s)}\|] + K \|C^{(s)}\| I \|F\| [\|N^{(s)}\| l o g \|N^{(s)}\|]\}$

Table 2. Comparison of time complexity for different algorithms

Danping Ren, Li Zhang, Jinhua Hu. Crosstalk-Aware Virtual Network Mapping Algorithm in Space Division Multiplexing Elastic Optical Networks[J]. Acta Optica Sinica, 2023, 43(5): 0506003

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