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Simulation Studies of Elastic Optical Networks Nodes with Multicast Connections


[ 1 ] Instytut Sieci Teleinformatycznych, Wydział Informatyki i Telekomunikacji, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.3] Information and communication technology

Year of publication


Published in

Human-centric Computing and Information Sciences

Journal year: 2022 | Journal volume: vol. 12

Article type

scientific article

Publication language


  • elastic optical networks
  • frequency slot unit
  • multicast connections
  • switching networks
  • traffic management

EN Over a number of years the ever-increasing growth of traffic transferred over the internet has become a common pattern. This particular trend was made even more discernible in 2020 when it was a common practice to use videoconferencing and other services that provide the possibility of distributed group work. This increasing use of the network is also related to the fast growing of data centers in different parts of the globe that more and more often apply dynamic applications, i.e., data center synchronization and backup. A large number of the aforementioned services require copies of the same data to be sent to different places in the network. Effective traffic distribution of such traffic, particularly important for dynamic applications, can be provided, for example, by multicast transmission offered by elastic optical networks (EONs). Therefore, the provision of the full service of multicast traffic should also include the nodes of an EON network. This article attempts to solve the problem of the distribution of these traffic streams in nodes of elastic optical networks. The article proposes a model of a node of this type. The model of an appropriate node is proposed along with a research study of its effectiveness with respect to traffic efficiency measured by the call blocking probability. The study assumes that the internal structure of the node is the one based on the so-called Clos network. The accompanying assumption is that the node can service mixtures of different streams of multiservice traffic. The results of the study are presented for two systems and four possible

Pages (from - to)

05-1 - 05-13





article number: 05

License type

CC BY-NC (attribution - noncommercial)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

at the time of publication

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