End-to-end Quantum Secured Inter-Domain 5G Service Orchestration Over Dynamically Switched Flex-Grid Optical Networks Enabled by a q-ROADM
Rui Wang, Rodrigo Stange Tessinari, Emilio Hugues Salas, Anderson, Bravalheri, Navdeep Uniyal, Abubakar Muqaddas, Rafael Silva Guimaraes,, Thierno Diallo, Shadi Moazzeni, Qibing Wang, George Kanellos, Reza Nejabati,, Dimitra Simeonidou

TL;DR
This paper introduces a novel quantum-secured optical network architecture that enables dynamic, secure chaining of virtual network functions across multiple 5G domains using a new quantum-ROADM and SDN/NFV extensions.
Contribution
It presents the first implementation of a quantum-secured, dynamic inter-domain 5G service orchestration framework with a new quantum-ROADM and enhanced control plane capabilities.
Findings
Successful routing of quantum and classical data over shared fibers.
Experimental demonstration of quantum-secured VNF chaining across four 5G islands.
Validation of the proposed architecture's effectiveness and security benefits.
Abstract
Dynamic and flexible optical networking enabled by NFV and SDN are the key technology enablers for supporting the dynamicity and bandwidth requirements of emerging 5G network services. To achieve the objective of 5G, Network Services (NSes) must be often deployed transparently over multiple administrative and technological domains. Such case often presents security risks since a typical NS may comprise a chain of network functions, each executed in different remote locations, and tampering within the network infrastructure may compromise their communication. To avoid such threats, QKD has been identified and proposed as a future-proof method immune to any algorithmic cryptanalysis based on quantum-physics mechanisms. The maturity of QKD has enabled the R&D of quantum networks coexisting with optical networks using telecom equipment. This makes the QKD a suitable candidate for the…
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