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A deep reinforcement learning approach is applied, for the first time, to solve the routing, modulation, spectrum and core allocation (RMSCA) problem in dynamic multicore fiber elastic optical networks (MCF-EONs). To do so, a new…

Flexible-grid Elastic Optical Networks (EONs) have been widely deployed in recent years to support the growing demand for bandwidth-intensive applications. To address this cost-efficiently, optimized utilization of EONs is required.…

Networking and Internet Architecture · Computer Science 2023-12-19 Jasper Müller , Gabriele Di Rosa , Tobias Fehenberger , Mario Wenning , Sai Kireet Patri , Jörg-Peter Elbers , Carmen Mas-Machuca

Routing, modulation and spectrum allocation in elastic optical networks is a problem aiming at increasing the capacity of the network. Many algorithms such as shortest path algorithm can be used as the routing section of this problem. The…

Networking and Internet Architecture · Computer Science 2019-09-11 Mehdi Tarhani , Sanjib Sarkar , Morad Khosravi Eghbal , Mehdi Shadaram

In this paper, we study problem of efficient service relocation (i.e., changing assigned data center for a selected client node) in elastic optical networks (EONs) in order to increase network performance (measured by the volume of accepted…

Networking and Internet Architecture · Computer Science 2023-03-17 Róża Goścień

Reinforcement learning (RL) has been widely applied to dynamic routing, modulation and spectrum assignment (RMSA) in optical networks, yet no prior work has trained a transformer model for this task. We attribute this to the high data and…

Networking and Internet Architecture · Computer Science 2026-05-19 Michael Doherty , Alejandra Beghelli , Laura Toni

In the past few decades, optical transport networks (OTNs) have undergone significant evolution, from the earliest wavelength-division multiplexing (WDM) OTNs to elastic optical networks (EONs) and later to space-division multiplexing (SDM)…

Networking and Internet Architecture · Computer Science 2024-10-30 Mingcong Yang , Qian Wu , Maiko Shigeno , YongbingZhang

Multi-band transmission systems have emerged as a potential answer to the limited capacity of silica based optical fiber. It is based on utilizing the complete low-loss region of optical fibers. Additionally, elastic optical networks (EON)…

Signal Processing · Electrical Eng. & Systems 2021-02-25 Esteban Paz , Gabriel Saavedra

Optimizing network throughput in real-world dynamic systems is critical, especially for diverse and delay-sensitive multimedia data types such as VoIP and video streaming. Traditional routing protocols, which rely on static metrics and…

Networking and Internet Architecture · Computer Science 2025-05-22 Md. Arquam , Suchi Kumari

In this paper we propose a dynamical transmission power allocation for elastic optical networks (EONs) based on the evolutionary hurricane search optimization (HSO) algorithm with a chaotic logistic map diversification strategy with the…

Systems and Control · Electrical Eng. & Systems 2020-02-05 Layhon R. dos Santos , Taufik Abrão

This paper studies the coexistence of enhanced mobile broadband (eMBB) and ultra-reliable and low-latency communication (URLLC) services in a cellular network that is assisted by a reconfigurable intelligent surface (RIS). The system model…

Signal Processing · Electrical Eng. & Systems 2021-08-06 Mohammed AL-Mekhlafi , Mohamed Amine Arfaoui , Mohamed Elhattab , Chadi Assi , Ali Ghrayeb

The emergence of diverse network applications demands more flexible and responsive resource allocation for networks. Network slicing is a key enabling technology that provides each network service with a tailored set of network resources to…

Networking and Internet Architecture · Computer Science 2022-01-20 Genya Ishigaki , Siddartha Devic , Riti Gour , Jason P. Jue

With the growing demand for dynamic real-time applications, online admission control for time-critical event-triggered (ET) traffic in Time-Sensitive Networking (TSN) has become a critical challenge. The main issue lies in dynamically…

Networking and Internet Architecture · Computer Science 2025-04-18 Sifan Yu , Feng He , Anlan Xie , Luxi Zhao

Passive optical networks are increasingly used for access to the Internet and it is important to understand the performance of future long-reach, multi-channel variants. In this paper we discuss requirements on the dynamic bandwidth…

Networking and Internet Architecture · Computer Science 2010-02-12 Nelson Antunes , Christine Fricker , Philippe Robert , James Roberts

As a key component of low-altitude economic networks, aerial base stations (AeBSs) provide flexible and reliable wireless coverage to support 6G ultra-reliable and low-latency communication (URLLC) services. However, limited spectrum…

Networking and Internet Architecture · Computer Science 2025-07-08 Xudong Wang , Lei Feng , Jiacheng Wang , Hongyang Du , Changyuan Zhao , Wenjing Li , Zehui Xiong , Dusit Niyato , Ping Zhang

Ethernet-based Passive optical network (E-PON) is the key for next generation access networks. It must have the property of high efficiency, low cost, and support quality of service (QoS). We present a novel media access control (MAC)…

Networking and Internet Architecture · Computer Science 2014-04-10 Fu-Tai An , Yu-Li Hsueh , Kyeong Soo Kim , Ian M. White , Leonid G. Kazovsky

We present an evolutionary programming algorithm for solving the dynamic routing and wavelength assignment (DRWA) problem in optical wavelength-division multiplexing (WDM) networks under wavelength continuity constraint. We assume an ideal…

Networking and Internet Architecture · Computer Science 2010-07-15 Urmila Bhanja , Sudipta Mahapatra , Rajarshi Roy

Wireless networking is becoming an increasingly important and popular way of providing global information access to users on the move. One of the main challenges for seamless mobility is the availability of simple and robust handoff…

Networking and Internet Architecture · Computer Science 2012-06-18 Siva Alagu , T. Meyyappan

In communication networks, network virtualization can usually provide better capacity utilization and quality of service (QoS) than what can be achieved otherwise. However, conventional resource allocation for virtualized networks would…

Networking and Internet Architecture · Computer Science 2019-11-21 Shifeng Ding , Kevin X. Pan , Sanjay K. Bose , Qiong Zhang , Gangxiang Shen

The need for optical parallelization is driven by the imminent optical capacity crunch, where the spectral efficiency required in the coming decades will be beyond the Shannon limit. To this end, the emerging high-speed Ethernet services at…

Networking and Internet Architecture · Computer Science 2015-06-16 Xiaomin Chen , Admela Jukan , Ashwin Gumaste

We propose a two-stage algorithm for energy-efficient resource allocation constrained to QoS and physical requirements in OFDM-based EONs. The first stage deals with routing, grooming and traffic ordering and aims at minimizing amplifier…

Information Theory · Computer Science 2017-05-22 Mohammad Hadi , Mohammad Reza Pakravan