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In this paper, we consider the use of visible light communication (VLC) to provide connectivity to indoor fog computing resources and propose an energy-efficient passive optical network (PON)-based backhaul architecture to support the VLC…

Networking and Internet Architecture · Computer Science 2025-08-14 Wafaa B. M. Fadlelmula , Sanaa Hamid Mohamed , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

In distributed computing frameworks like MapReduce, Spark, and Dyrad, a coflow is a set of flows transferring data between two stages of a job. The job cannot start its next stage unless all flows in the coflow finish. To improve the…

Networking and Internet Architecture · Computer Science 2018-12-18 Li Shi , Junwei Zhang , Yang Liu , Thomas Robertazzi

Due to the emergence of new paradigms and services such as 5G/6G, IoT, and more, current deployed wired Data Center Networks (DCNs) are not meeting the required performance metrics due to their limited reconfigurability, scalability, and…

Networking and Internet Architecture · Computer Science 2022-03-22 Abrar S. Alhazmi , Sanaa H. Mohamed , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

This paper proposes a point-to-point passive optical network (P2P-PON) architecture as an energy-efficient and low-latency backhaul solution for visible light communication (VLC)-enabled indoor fog computing systems. The proposed…

Networking and Internet Architecture · Computer Science 2026-03-04 Wafaa B. M. Fadlelmula , Sanaa Hamid Mohamed , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

This paper evaluates the optimal scale of datacentre (DC) resource disaggregation for composable DC infrastructures and investigates the impact of present day silicon photonics technologies on the energy efficiency of different composable…

Networking and Internet Architecture · Computer Science 2018-08-21 Opeyemi O. Ajibola , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

The power consumption of enormous network devices in data centers has emerged as a big concern to data center operators. Despite many traffic-engineering-based solutions, very little attention has been paid on performance-guaranteed energy…

Networking and Internet Architecture · Computer Science 2014-05-30 Lin Wang , Fa Zhang , Kai Zheng , Athanasios V. Vasilakos , Shaolei Ren , Zhiyong Liu

This paper proposes a coordinated optimal scheduling model for hybrid AC/DC microgrids. The objective of the proposed model is to minimize the total microgrid operation cost when considering interactions between AC and DC sub-systems of the…

Systems and Control · Computer Science 2017-11-10 Abdulaziz Alanazi , Hossein Lotfi , Amin Khodaei

This paper studies the energy efficiency of composable datacentre (DC) infrastructures over network topologies. Using a mixed integer linear programming (MILP) model, we compare the performance of disaggregation at rack-scale and pod-scale…

Networking and Internet Architecture · Computer Science 2021-05-19 Opeyemi O. Ajibola , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

In the rapidly evolving research on artificial intelligence (AI) the demand for fast, computationally efficient, and scalable solutions has increased in recent years. The problem of optimizing the computing resources for distributed machine…

Machine Learning · Computer Science 2025-10-30 Mohammadreza Doostmohammadian , Zulfiya R. Gabidullina , Hamid R. Rabiee

Multi-access point coordination (MAPC) is a key feature of IEEE 802.11bn, with a potential impact on future Wi-Fi networks. MAPC enables joint scheduling decisions across multiple access points (APs) to improve throughput, latency, and…

Networking and Internet Architecture · Computer Science 2025-07-28 David Nunez , Francesc Wilhelmi , Maksymilian Wojnar , Katarzyna Kosek-Szott , Szymon Szott , Boris Bellalta

The electric power distribution network (PDN) and the transportation network (TN) are generally operated/coordinated by different entities. However, they are coupled with each other due to electric vehicle charging stations (EVCSs). This…

Systems and Control · Electrical Eng. & Systems 2023-05-09 Santosh Sharma , Qifeng Li

Passive optical networks (PON) technology is increasingly becoming an attractive solution in modern data centres as it provides energy efficient, high capacity, low cost, scalable and flexible connectivity. In this paper we report the…

Networking and Internet Architecture · Computer Science 2018-08-21 AEA Eltraify , M. Musa , A. Al-Quzweeni , J. Elmirghani

Datacenter networks routinely support the data transfers of distributed computing frameworks in the form of coflows, i.e., sets of concurrent flows related to a common task. The vast majority of the literature has focused on the problem of…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-04 Quang-Trung Luu , Olivier Brun , Rachid El-Azouzi , Francesco De Pellegrini , Balakrishna J. Prabhu , Cédric Richier

The centralized architecture in software-defined network (SDN) provides a global view of the underlying network, paving the way for enormous research in the area of SDN traffic engineering (SDN TE). This research focuses on the load…

Networking and Internet Architecture · Computer Science 2018-12-07 Sminesh C. N. , Grace Mary Kanaga E. , Ranjitha K

Coflow is a prominent network abstraction for modeling communication patterns in data centers. Since coflow scheduling in large-scale data centers is $\mathcal{NP}$-hard, this paper investigates this problem within heterogeneous parallel…

Data Structures and Algorithms · Computer Science 2026-05-26 Chi-Yeh Chen

The energy demands of data centers are increasing and are expected to grow exponentially. Reducing the energy consumption of data centers decreases operational expenses, as well as their carbon footprint. We design techniques to reduce data…

Networking and Internet Architecture · Computer Science 2023-06-27 Garegin Grigoryan , Minseok Kwon

Congestion Control (CC) plays a fundamental role in optimizing traffic in Data Center Networks (DCN). Currently, DCNs mainly implement two main CC protocols: DCTCP and DCQCN. Both protocols -- and their main variants -- are based on…

Networking and Internet Architecture · Computer Science 2023-08-10 Guillermo Bernárdez , José Suárez-Varela , Xiang Shi , Shihan Xiao , Xiangle Cheng , Pere Barlet-Ros , Albert Cabellos-Aparicio

Fog computing plays a crucial role in satisfying the requirements of delay-sensitive applications such as connected vehicles, smart grids, and actuator networks by moving data processing close to end users. Passive optical networks (PONs)…

Networking and Internet Architecture · Computer Science 2020-05-05 Abdullah M. Alqahtani , Sanaa H. Mohamed , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

Efficient load-balancing mechanisms are critical for maximizing performance and increasing the quality of service (QoS) of data center networks (DCNs). Obtaining the optimal QoS while minimizing resource consumption remains a significant…

Networking and Internet Architecture · Computer Science 2026-01-15 Aymen Hasan Alawadi

AI data centers are increasingly becoming tightly coupled compute--energy systems, where workload placement, cooling demand, electricity procurement, storage operation, and carbon emissions interact over time. This paper studies…

Computational Engineering, Finance, and Science · Computer Science 2026-05-14 Johnny R. Zhang , Gaoyuan Du , Qianyi Sun , Shiqi Wang , Jiaxuan Li , Xian Sun