Sonia Fahmy
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View article: Web Accessibility of Egyptian Academic Libraries' Websites: An Evaluation Study based on Web Content Accessibility Guidelines (WCAG) 2.2
Web Accessibility of Egyptian Academic Libraries' Websites: An Evaluation Study based on Web Content Accessibility Guidelines (WCAG) 2.2 Open
تملك المكتبات تاريخًا طويلًا في توفير خدمات وموارد يمكن الوصول إليها لتلبية احتياجات مختلف أنواع المستخدمين وذلك من خلال مواقعها المادي، والآن مع التطور التقني أصبح لزامًا عليها أن تنقل خدماتها ومقتنياتها للبيئة الافتراضية بشكل يمكن الوصول إل…
View article: Maestro: QoE-Aware Dynamic Resource Allocation in Wi-Fi Networks
Maestro: QoE-Aware Dynamic Resource Allocation in Wi-Fi Networks Open
Wi-Fi is an integral part of today's Internet infrastructure, enabling a diverse range of applications and services. Prior approaches to Wi-Fi resource allocation optimized Quality of Service (QoS) metrics, which often do not accurately re…
View article: Ten Ways in which Virtual Reality Differs from Video Streaming
Ten Ways in which Virtual Reality Differs from Video Streaming Open
Virtual Reality (VR) applications have a number of unique characteristics that set them apart from traditional video streaming. These characteristics have major implications on the design of VR rendering, adaptation, prefetching, caching, …
View article: Understanding the Impact of Wi-Fi Configuration on Volumetric Video Streaming Applications
Understanding the Impact of Wi-Fi Configuration on Volumetric Video Streaming Applications Open
Emerging multimedia applications often use a wireless LAN (Wi-Fi) infrastructure to stream content. These Wi-Fi deployments vary vastly in terms of their system configurations. In this paper, we take a step toward characterizing the Qualit…
View article: Congestion Control for Datacenter Networks: A Control-Theoretic Approach
Congestion Control for Datacenter Networks: A Control-Theoretic Approach Open
In this paper, we present RoCC , a robust congestion control approach for datacenter networks based on RDMA. RoCC leverages switch queue size as an input to a PI controller, which computes the fair data rate of flows in the queue. The PI p…
View article: Invenio
Invenio Open
Microservices enable rapid service deployment and scaling. Integrating poorly-understood microservice components into Service Function Chains (SFCs) or graphs limits a provider's control over service delivery latency, however. Orchestratio…
View article: The Cost of Stateless Network Functions in 5G
The Cost of Stateless Network Functions in 5G Open
The adoption of a cloud-native architecture in 5G networks has facilitated rapid deployment and update of cellular services. An important part of this architecture is the implementation of 5G network functions statelessly. However, statele…
View article: Procedure-driven deployment support for the microservice era
Procedure-driven deployment support for the microservice era Open
In this work, we examine the challenges that service providers encounter in managing complex service function graphs, while controlling service delivery latency. Based on the lessons we learn, we outline the design of a new system, Invenio…
View article: RoCC
RoCC Open
In this paper, we present RoCC, a robust congestion control approach for datacenter networks based on RDMA. RoCC leverages switch queue size as an input to a PI controller, which computes the fair data rate of flows in the queue, signaling…
View article: Infinity Learning: Learning Markov Chains from Aggregate Steady-State Observations
Infinity Learning: Learning Markov Chains from Aggregate Steady-State Observations Open
We consider the task of learning a parametric Continuous Time Markov Chain (CTMC) sequence model without examples of sequences, where the training data consists entirely of aggregate steady-state statistics. Making the problem harder, we a…
View article: Infinity Learning: Learning Markov Chains from Aggregate Steady-State Observations
Infinity Learning: Learning Markov Chains from Aggregate Steady-State Observations Open
We consider the task of learning a parametric Continuous Time Markov Chain (CTMC) sequence model without examples of sequences, where the training data consists entirely of aggregate steady-state statistics. Making the problem harder, we a…
View article: Data-driven resource flexing for network functions visualization
Data-driven resource flexing for network functions visualization Open
Resource flexing is the notion of allocating resources on-demand as workload changes. This is a key advantage of Virtualized Network Functions (VNFs) over their non-virtualized counterparts. However, it is difficult to balance the timeline…
View article: Mind Your Credit
Mind Your Credit Open
The Ripple credit network has emerged as a payment backbone with key advantages for financial institutions and the remittance industry. Its path-based IOweYou (IOU) settlements across different (crypto)currencies conceptually distinguishes…
View article: Mind Your Credit: Assessing the Health of the Ripple Credit Network
Mind Your Credit: Assessing the Health of the Ripple Credit Network Open
The Ripple credit network has emerged as a payment backbone with key advantages for financial institutions and the remittance industry. Its path-based IOweYou (IOU) settlements across different (crypto)currencies conceptually distinguishes…
View article: On Determining the Fair Bandwidth Share for ABR Connections in ATM Networks
On Determining the Fair Bandwidth Share for ABR Connections in ATM Networks Open
In a multi-service network such as ATM, adaptive data services(such as ABR) share the bandwidth unused by higher priority services. The network indicates to the ABR sources the fair and efficient rates at which they should transmit to mini…