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22 May 2020 The problem of provisioning optical VPN
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Proceedings Volume 11516, Optical Technologies for Telecommunications 2019; 1151605 (2020)
Event: XVII International Scientific and Technical Conference "Optical Technologies for Telecommunications", 2019, Kazan, Russian Federation
This paper describes Optical Virtual Private Network (OVPN). The features and benefits of optical VPN are considered. Consider the OVPN model with a limited network resource on each section of the optical network. The optical network is described using the undirected graph with the set of nodes (correspond to the core optical nodes) and the set of edges (correspond to the link of the optical network connecting adjacent core nodes. Accepting the request for the implementation of OVPN, the service provider must, using the appropriate analysis algorithm, check whether the implementation of the corresponding virtual network is possible. To do this, the algorithm, firstly, selects a path between each pair of OVPN endpoints and, secondly, distributes the available bandwidth on each link in the selected path. If there is not enough bandwidth on the link, the received request for OVPN implementation will be rejected. Various algorithms for implementing the OVPN model: provider channels, individual flows and all flows OVPN are considered. This article discusses a possible approach to solving the problem of the distribution of optical network resources across several OVPN.
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Aleksandr Roslyakov "The problem of provisioning optical VPN", Proc. SPIE 11516, Optical Technologies for Telecommunications 2019, 1151605 (22 May 2020);

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