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- W4386869555 abstract "Quantum key distribution (QKD) protocols generate a same secret key at two nodes which are at different locations. Such key is used to encrypt and decrypt messages for unconditionally secure communications through a classical channel. Originally, QKD protocols are designed to work between two nodes which are directly connected through a point-to-point quantum channel. Currently, commercial QKD systems have limited range and key rate. To increase key rate and extend range, the key generated by QKD at one end node is relayed hop-by-hop to the other end node through multiple trusted nodes. In a QKD network with multiple pairs of communicating nodes, routing deals with the issue of deciding for each pair, which trusted nodes are used to form a path connecting the end nodes. This paper presents an overview of QKD and highlights the differences between QKD routing as compared to classical routing. The challenges of QKD routing are presented. Existing works dealing with the challenges are surveyed. This paper ends with a discussion on remaining research issues." @default.
- W4386869555 created "2023-09-20" @default.
- W4386869555 creator A5006511989 @default.
- W4386869555 date "2023-01-01" @default.
- W4386869555 modified "2023-09-27" @default.
- W4386869555 title "Challenges of Routing in Quantum Key Distribution Networks with Trusted Nodes for Key Relaying" @default.
- W4386869555 doi "https://doi.org/10.1109/mcom.023.2300376" @default.
- W4386869555 hasPublicationYear "2023" @default.
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