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- research-articleSeptember 2024
DNN acceleration in vehicle edge computing with mobility-awareness: A synergistic vehicle–edge and edge–edge framework
Computer Networks: The International Journal of Computer and Telecommunications Networking (CNTW), Volume 251, Issue Chttps://doi.org/10.1016/j.comnet.2024.110607AbstractIn recent years, vehicular networks have seen a proliferation of applications and services such as image tagging, lane detection, and speech recognition. Many of these applications rely on Deep Neural Networks (DNNs) and demand low-latency ...
- research-articleApril 2024
IN3: A Framework for In-Network Computation of Neural Networks in the Programmable Data Plane
IEEE Communications Magazine (COMAG), Volume 62, Issue 4Pages 96–102https://doi.org/10.1109/MCOM.001.2300587Neural networks have been widely used in networking applications due to their high accuracy and generalization. However, the traditional approach of collecting network features from switches and transmitting them to the controller introduces high traffic ...
- research-articleMay 2023
S-Cache: Function Caching for Serverless Edge Computing
EdgeSys '23: Proceedings of the 6th International Workshop on Edge Systems, Analytics and NetworkingPages 1–6https://doi.org/10.1145/3578354.3592865Serverless edge computing uses an event-driven model in which Internet-of-Things (IoT) services are run in short-lived, stateless containers only when invoked, leading to significant reduction of resource utilization. However, a cold-start of a ...
- posterOctober 2022
Mitigating cyber threats at the network edge
IMC '22: Proceedings of the 22nd ACM Internet Measurement ConferencePages 776–777https://doi.org/10.1145/3517745.3563034The easy exploitation of IoT devices with limited security, compute and processing power has enabled hackers to carry out sophisticated attacks. Many research studies have highlighted the benefits of utilising artificial-intelligence based models in ...
- research-articleOctober 2022
Optimizing multipath QUIC transmission over heterogeneous paths
Computer Networks: The International Journal of Computer and Telecommunications Networking (CNTW), Volume 215, Issue Chttps://doi.org/10.1016/j.comnet.2022.109198AbstractAs a novel UDP-based transport protocol which supports stream multiplexing, QUIC is faster, more lightweight and flexible than TCP. With the prevalence of multi-homed devices such as smartphones with both WiFi and 4G/5G cellular ...
Graphical abstractDisplay Omitted
Highlights- We investigate the issue of performance degradation over heterogeneous paths for the LRF scheduler of MPQUIC.
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- research-articleSeptember 2022
dDrops: Detecting silent packet drops on programmable data plane
Computer Networks: The International Journal of Computer and Telecommunications Networking (CNTW), Volume 214, Issue Chttps://doi.org/10.1016/j.comnet.2022.109171AbstractSilent packet drops are common in data center networks, and are a major cause of network performance anomalies (NPAs) that have significant impacts on application performance and network management. However, existing solutions using ...
- research-articleJuly 2022
Distributed federated service chaining: A scalable and cost-aware approach for multi-domain networks
Computer Networks: The International Journal of Computer and Telecommunications Networking (CNTW), Volume 212, Issue Chttps://doi.org/10.1016/j.comnet.2022.109044AbstractFuture networks are expected to support cross-domain, cost-aware and fine-grained services in an efficient and flexible manner. Service Function Chaining (SFC) has been introduced as a promising approach to deliver these services. In ...
- research-articleMarch 2022
Low-latency service function chain migration in edge-core networks based on open Jackson networks
Journal of Systems Architecture: the EUROMICRO Journal (JOSA), Volume 124, Issue Chttps://doi.org/10.1016/j.sysarc.2022.102405AbstractMulti-access Edge Computing (MEC) offers cloud computing capabilities at the edge of the network. Growing demand for low-latency services requires Service Function Chains (SFCs) to be scaled up beyond MEC network to core network. To adapt to ...
- research-articleDecember 2021
Distributed federated service chaining for heterogeneous network environments
UCC '21: Proceedings of the 14th IEEE/ACM International Conference on Utility and Cloud ComputingArticle No.: 2, Pages 1–10https://doi.org/10.1145/3468737.3494091Future networks are expected to support cross-domain, cost-aware and fine-grained services in an efficient and flexible manner. Service Function Chaining (SFC) has been introduced as a promising approach to deliver these services. In the literature, ...
- research-articleJanuary 2020
Performance analysis of single board computer clusters
- Philip J. Basford,
- Steven J. Johnston,
- Colin S. Perkins,
- Tony Garnock-Jones,
- Fung Po Tso,
- Dimitrios Pezaros,
- Robert D. Mullins,
- Eiko Yoneki,
- Jeremy Singer,
- Simon J. Cox
Future Generation Computer Systems (FGCS), Volume 102, Issue CPages 278–291https://doi.org/10.1016/j.future.2019.07.040AbstractThe past few years have seen significant developments in Single Board Computer (SBC) hardware capabilities. These advances in SBCs translate directly into improvements in SBC clusters. In 2018 an individual SBC has more than four times ...
Highlights- Three 16 node clusters Single Board Computers (SBCs) have been benchmarked.
- ...
- research-articleDecember 2019
Mobility-Aware Probabilistic Caching in UAV-Assisted Wireless D2D Networks
2019 IEEE Global Communications Conference (GLOBECOM)Pages 1–6https://doi.org/10.1109/GLOBECOM38437.2019.9013432This paper investigates the problem of cache node placement and selection with the coexistence of unmanned aerial vehicles (UAVs) cache and device- to-device (D2D) cache in mobile networks. In recent years, caching popular content in UAV base stations has ...
- research-articleNovember 2019
Extensive evaluation on the performance and behaviour of TCP congestion control protocols under varied network scenarios
Computer Networks: The International Journal of Computer and Telecommunications Networking (CNTW), Volume 163, Issue Chttps://doi.org/10.1016/j.comnet.2019.106872AbstractIn recent decades, many TCP Congestion Control (CC) protocols have been proposed to improve the performance and reliability of TCP in various network scenarios. However, CC protocols are usually closely coupled with network conditions ...
- Work in ProgressJune 2019
What Can We Expect from Navigating?: Exploring Navigation, Wearables and Data Through Critical Design Concepts
DIS '19 Companion: Companion Publication of the 2019 on Designing Interactive Systems Conference 2019 CompanionPages 237–244https://doi.org/10.1145/3301019.3323889What is it to navigate or to be navigated? How, and through what, is information communicated to us? Do our interactions with space need to be limited to when we are moving through it? This paper describes a collection of design concepts generated as ...
- research-articleApril 2019
Enabling Heterogeneous Network Function Chaining
IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume 30, Issue 4Pages 842–854https://doi.org/10.1109/TPDS.2018.2871845Today’s data center operators deploy network policies in both physical (e.g., middleboxes, switches) and virtualized (e.g., virtual machines on general purpose servers) network function boxes (NFBs), which reside in different points of the network, to ...
- research-articleDecember 2018
Commodity single board computer clusters and their applications
- Steven J. Johnston,
- Philip J. Basford,
- Colin S. Perkins,
- Herry Herry,
- Fung Po Tso,
- Dimitrios Pezaros,
- Robert D. Mullins,
- Eiko Yoneki,
- Simon J. Cox,
- Jeremy Singer
Future Generation Computer Systems (FGCS), Volume 89, Issue CPages 201–212https://doi.org/10.1016/j.future.2018.06.048AbstractCurrent commodity Single Board Computers (SBCs) are sufficiently powerful to run mainstream operating systems and workloads. Many of these boards may be linked together, to create small, low-cost clusters that replicate some features ...
Highlights- Single Board Computers can run mainstream operating systems and workloads.
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- short-paperJuly 2018
A Fine-grained and Transparent Congestion Control Enforcement Scheme
ANRW '18: Proceedings of the 2018 Applied Networking Research WorkshopPages 26–32https://doi.org/10.1145/3232755.3232778In practice, a single TCP congestion control is often used to handle all TCP connections on a Web server, e.g., Cubic for Linux by default. Considering complex and ever-changing networking environment, the default congestion control algorithm may not ...
- research-articleApril 2018
Next generation single board clusters
- Jeremy Singer,
- Herry Herry,
- Philip J. Basford,
- Wajdi Hajji,
- Colin S. Perkins,
- Fung Po Tso,
- Dimitrios Pezaros,
- Robert D. Mullins,
- Eiko Yoneki,
- Simon J. Cox,
- Steven J. Johnston
NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management SymposiumPages 1–3https://doi.org/10.1109/NOMS.2018.8406120Until recently, cluster computing was too expensive and too complex for commodity users. However the phenomenal popularity of single board computers like the Raspberry Pi has caused the emergence of the single board computer cluster. This demonstration ...
- research-articleJanuary 2018
Live migration on ARM-based micro-datacentres
2018 15th IEEE Annual Consumer Communications & Networking Conference (CCNC)Pages 1–6https://doi.org/10.1109/CCNC.2018.8319241Live migration, underpinned by virtualisation technologies, has enabled improved manageability and fault tolerance for servers. However, virtualised server infrastructures suffer from significant processing overheads, system inconsistencies, security ...
- research-articleJanuary 2018
Latency-aware joint virtual machine and policy consolidation for mobile edge computing
2018 15th IEEE Annual Consumer Communications & Networking Conference (CCNC)Pages 1–6https://doi.org/10.1109/CCNC.2018.8319204To guarantee an efficient and high-performance environment for mobile devices to perform offloading with low end-to-end delay, it is important to ensure no network policies are violated. In this paper, we explore the simultaneous, dynamic virtual machine (...
- ArticleOctober 2017
TCon: A Transparent Congestion Control Deployment Platform for Optimizing WAN Transfers
AbstractNowadays, many web services (e.g., cloud storage) are deployed inside datacenters and may trigger transfers to clients through WAN. TCP congestion control is a vital component for improving the performance (e.g., latency) of these services. ...