With the development of communication technology and the increasing popularity of network
services, multiple opportunities along with challenges have been brought to network …

The rapid increase in internet traffic due to widespread internet access and technological
advancements such as 5G, cloud omputing, Internet of Things (IoT), and virtual reality has …

The constrained-routing and spectrum assignment (C-RSA) problem is a key issue when
dimensioning and designing an optical network. Given an optical network G and a multiset …

(English) Optical communications have been extensively investigated and enhanced in the
last decades. Nowadays, they are responsible to transport all the data traffic generated …

A spectrum defragmentation problem in elastic optical networks was considered under the
assumption that all connections can be realized in switching nodes. But this assumption is …

For reliable and efficient network planning and operation, accurate estimation of Quality of
Transmission (QoT) is necessary. In optical networks, a physical layer model (PLM) is …

The global Internet Protocol (IP) traffic is expected to reach 396 exabytes per month by 2022,
up from 194.4 Exabytes per month in 2020 [23]. Optical transport networks are then facing a …

Elastic optical network (EON) efficiently utilize spectral resources for optical fiber
communication by allocating the minimum necessary bandwidth to client demands. On the …

In this paper we propose a new sliceable bandwidth variable transponder (SBVT)
architecture with the separate analysis on the transmitter and receiver section. In …

Elastic optical networks have emerged as a promising technology for the backbone
networks to support increasing popular applications and service such as ultra high-definition …