Method for selecting shared protection path

Method for selecting shared protection path

The invention relates to the technical field of quantum communication, in particular to a method for selecting a shared protection path. The method comprises the steps of obtaining a plurality of alternative protection paths corresponding to a preset forwarding device and the number of services prot...

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Hauptverfasser: LIU SHIMIN, XIAO HAILONG, SUN TIANZI, FENG BAO, ZHANG ZIPING, ZHANG YONGSHENG, LIU GUOJUN, ZHU JIYANG, LI GUOQIANG, LI JIANQI, LU LIFENG, DU DAKUN, CUI MINGSHI, DU NA
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator LIU SHIMIN
XIAO HAILONG
SUN TIANZI
FENG BAO
ZHANG ZIPING
ZHANG YONGSHENG
LIU GUOJUN
ZHU JIYANG
LI GUOQIANG
LI JIANQI
LU LIFENG
DU DAKUN
CUI MINGSHI
DU NA
description The invention relates to the technical field of quantum communication, in particular to a method for selecting a shared protection path. The method comprises the steps of obtaining a plurality of alternative protection paths corresponding to a preset forwarding device and the number of services protected by each alternative protection path; determining the wavelength resource cost of the alternative protection path based on the number of services protected by the alternative protection path; wherein the resource cost is negatively related to the number of services; obtaining the exhaustion time of the secret key in the secret key pool corresponding to each alternative protection path; determining a weight index of preset forwarding equipment under each alternative protection path accordingto the key depletion time and the wavelength resource cost; and based on the weight index corresponding to each alternative protection path, determining one protection path from all the alternative protection paths. The math
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Method for selecting shared protection path
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