119 citations · 285 across the 92 of their papers we have counts for
76 papers · 1 filter
Access-Point to Access-Point Connectivity for PON-based OWC Spine and Leaf Data Centre Architecture
Abrar S. Alhazmi, Sanaa H. Mohamed, Ahmad Qidan +2
In this paper, we propose incorporating Optical Wireless Communication (OWC) and Passive Optical Network (PON) technologies into next generation spine-and-leaf Data Centre Networks…
WDM/TDM over Passive Optical Networks with Cascaded-AWGRs for Data Centers
Mohammed Alharthi, Sanaa H. Mohamed, Taisir E. H. El-Gorashi +1
Data centers based on Passive Optical Networks (PONs) can provide high capacity, low cost, scalability, elasticity and high energy-efficiency. This paper introduces the use of WDM-…
Energy Efficient Resource Allocation for Demand Intensive Applications in a VLC Based Fog Architecture
Wafaa B. M. Fadlelmula, Sanaa H. Mohamed, Taisir E. H. El-Gorashi +1
In this paper, we propose an energy efficient passive optical network (PON) architecture for backhaul connectivity in indoor visible light communication (VLC) systems. The proposed…
Energy Efficient UAV-Based Service Offloading over Cloud-Fog Architectures
Hatem A. Alharbi, Barzan A. Yosuf, Mohammad Aldossary +2
Unmanned Aerial Vehicles (UAVs) are poised to play a central role in revolutionizing future services offered by the envisioned smart cities, thanks to their agility, flexibility, a…
Energy Efficient VM Placement in a Heterogeneous Fog Computing Architecture
Abdullah M. Alqahtani, Barzan Yosuf, Sanaa H. Mohamed +2
Recent years have witnessed a remarkable development in communication and computing systems, mainly driven by the increasing demands of data and processing intensive applications s…
Energy-Efficient VM Placement in PON-based Data Center Architectures with Cascaded AWGRs
Mohammed Alharthi, Sanaa H. Mohamed, Barzan Yosuf +2
Data centers based on Passive Optical Networks (PONs) can offer scalability, low cost and high energy-efficiency. Application in data centers can use Virtual Machines (VMs) to prov…
Energy Efficient PON Backhaul Network for a VLC Based Fog Architecture
Wafaa B. M. Fadlelmula, Sanaa H. Mohamed, Taisir E. H. El-Gorashi +1
In this paper, an energy efficient passive optical network (PON) architecture is proposed for backhaul connectivity in indoor visible light communication (VLC) systems. The propose…
OWC-enabled Spine and Leaf Architecture Towards Energy Efficient Data Center Networks
Abrar S. Alhazmi, Sanaa H. Mohamed, T. E. H. El-Gorashi +1
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…
Optical Wireless Sytems for Spine and Leaf Data Center Downlinks
Abrar S. Alhazmi, Sanaa H. Mohamed and, T. E. H. El-Gorashi +1
The continually growing demands for traffic as a result of advanced technologies in 5G and 6G systems offering services with intensive demands such as IoT and virtual reality appli…
Optimized Passive Optical Networks with Cascaded-AWGRs for Data Centers
Mohammed Alharthi, Sanaa H. Mohamed, Barzan Yosuf +2
The use of Passive Optical Networks (PONs) in modern and future data centers can provide energy efficiency, high capacity, low cost, scalability, and elasticity. This paper introdu…
Energy Efficient Resource Allocation in Federated Fog Computing Networks
Abdullah M. Alqahtani, Barzan Yosuf, Sanaa H. Mohamed +2
There is a continuous growth in demand for time sensitive applications which has shifted the cloud paradigm from a centralized computing architecture towards distributed heterogene…
Optical Networks for Composable Data Centers
Opeyemi O. Ajibola, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
Composable data centers (DCs) have been proposed to enable greater efficiencies as the uptake of on-demand computing services grows. In this article we give an overview of composab…
Network Topologies for Composable Data Centres
Opeyemi O. Ajibola, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
Suitable composable data center networks (DCNs) are essential to support the disaggregation of compute components in highly efficient next generation data centers (DCs). However, d…
Q-learning algorithm for resource allocation in WDMA-based optical wireless communication networks
Abdelrahman S. Elgamal, Osama Z. Alsulami, Ahmad Adnan Qidan +2
Visible Light Communication (VLC) has been widely investigated during the last decade due to its ability to provide high data rates with low power consumption. In general, resource…
Energy Minimized Federated Fog Computing over Passive Optical Networks
Abdullah M. Alqahtani, Barzan Yosuf, Sanaa H. Mohamed +2
The rapid growth of time-sensitive applications and services has driven enhancements to computing infrastructures. The main challenge that needs addressing for these applications i…
Energy-Efficient Distributed Machine Learning in Cloud Fog Networks
Mohammed M. Alenazi, Barzan A. Yosuf, Sanaa H. Mohamed +2
Massive amounts of data are expected to be generated by the billions of objects that form the Internet of Things (IoT). A variety of automated services such as monitoring will larg…
Energy-Efficient AI over a Virtualized Cloud Fog Network
Barzan A. Yosuf, Sanaa H. Mohamed, Mohamed Alenazi +2
Deep Neural Networks (DNNs) have served as a catalyst in introducing a plethora of next-generation services in the era of Internet of Things (IoT), thanks to the availability of ma…
Power Minimization in Vehicular Cloud Architecture
Fatemah S. Behbehani, Taisir Elgorashi, Jaafar M. H. Elmirghani
Modern vehicles equipped with on-board units (OBU) are playing an essential role in the smart city revolution. The vehicular processing resources, however, are not used to their fu…
Resilient Architectures for Free Space Optical Wireless Interconnection Systems
Sanaa Hamid Mohamed, Osama Zwaid Alsulami, Taisir E. H. El-Gorashi +2
In this paper, we propose the use of two Passive Optical Network (PON)-based network architectures to connect free-space Optical Wireless Communication (OWC) Access Points (APs) wi…
Disaggregation for Energy Efficient Fog in Future 6G Networks
Opeyemi O. Ajibola, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
We study the benefits of adopting server disaggregation in the fog computing tier by evaluating energy efficient placement of interactive apps in a future fog 6G network. Using a m…
Optimized Energy Efficient Virtualization and Content Caching in 5G Networks
Ahmed N. Al-Quzweeni, Ahmed Q. Lawey, Taisir E. H. Elgorashi +1
Network function virtualization (NFV) and content caching are two promising technologies that hold great potential for network operators and designers. This paper optimizes the dep…
Energy Efficient Placement of Workloads in Composable Data Center Networks
Opeyemi O. Ajibola, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
This paper studies the energy efficiency of composable datacentre (DC) infrastructures over network topologies. Using a mixed integer linear programming (MILP) model, we compare th…
Cloud Fog Architectures in 6G Networks
Barzan A. Yosuf, Amal A. Alahmadi, T. E. H. El-Gorashi +1
Prior to the advent of the cloud, storage and processing services were accommodated by specialized hardware, however, this approach introduced a number of challenges in terms of sc…
Optimizing Co-flows Scheduling and Routing in Data Centre Networks for Big Data Applications
Sanaa Hamid Mohamed, Ali Hammadi, Taisir E. H. El-Gorashi +1
This paper optimizes the scheduling and routing of the co-flows of MapReduce shuffling phase in state-of-the-art and proposed Passive Optical Networking (PON)-based Data Centre Net…