Browse

Improving quality of experience in adaptive low latency live streaming (2023)
Journal Article
Lyko, T., Broadbent, M., Race, N., Nilsson, M., Farrow, P., & Appleby, S. (in press). Improving quality of experience in adaptive low latency live streaming. Multimedia Tools and Applications, https://doi.org/10.1007/s11042-023-15895-9

HTTP Adaptive Streaming (HAS), the most prominent technology for streaming video over the Internet, suffers from high end-to-end latency when compared to conventional broadcast methods. This latency is caused by the content being delivered as segment... Read More about Improving quality of experience in adaptive low latency live streaming.

4MIDable: Flexible Network Offloading For Security VNFs (2023)
Journal Article
Lewis, B., Broadbent, M., Rotsos, C., & Race, N. (2023). 4MIDable: Flexible Network Offloading For Security VNFs. Journal of Network and Systems Management, 31(3), Article 52. https://doi.org/10.1007/s10922-023-09744-1

The ever-growing volume of network traffic and widening adoption of Internet protocols to underpin common communication processes augments the importance of network security. In order to enforce network security policies, network managers adopt a wid... Read More about 4MIDable: Flexible Network Offloading For Security VNFs.

5G in the Wild: Performance of C-Band 5G-NR in Rural Low-Power Fixed Wireless Access (2022)
Conference Proceeding
Davies, E., Chung, A., Broadbent, M., Macleod, A., & Race, N. (2022). 5G in the Wild: Performance of C-Band 5G-NR in Rural Low-Power Fixed Wireless Access. In 2022 IEEE Future Networks World Forum (FNWF) (18-23). https://doi.org/10.1109/fnwf55208.2022.00012

In this paper, we have evaluated the performance of one of the first community-led rural applications of standalone 5G for fixed wireless access on the n77 band in the UK. This was achieved through a full-stack holistic monitoring platform, evaluatin... Read More about 5G in the Wild: Performance of C-Band 5G-NR in Rural Low-Power Fixed Wireless Access.

Practical Intrusion Detection of Emerging Threats (2021)
Journal Article
Mills, R., Marnerides, A. K., Broadbent, M., & Race, N. (2022). Practical Intrusion Detection of Emerging Threats. IEEE Transactions on Network and Service Management, 19(1), 582-600. https://doi.org/10.1109/TNSM.2021.3091517

The Internet of Things (IoT), in combination with advancements in Big Data, communications and networked systems, offers a positive impact across a range of sectors including health, energy, manufacturing and transport. By virtue of current business... Read More about Practical Intrusion Detection of Emerging Threats.

Effectiveness of Vicinity-based Content Finding in Mobile NDN Environments (2021)
Conference Proceeding
Suwannasa, A., Broadbent, M., & Mauthe, A. (2021). Effectiveness of Vicinity-based Content Finding in Mobile NDN Environments. In 2021 International Conference on Information Networking (ICOIN) (343-348). https://doi.org/10.1109/ICOIN50884.2021.9333948

In Named Data Networking (NDN), consumer mobility is supported by letting a consumer re-transmit an Interest packet to re-request a lost content object through a new NDN Access Router (NAR). The object is often replicated at a previous NAR, located c... Read More about Effectiveness of Vicinity-based Content Finding in Mobile NDN Environments.

Llama-Low Latency Adaptive Media Algorithm (2021)
Conference Proceeding
Lyko, T., Broadbent, M., Race, N., Nilsson, M., Farrow, P., & Appleby, S. (2021). Llama-Low Latency Adaptive Media Algorithm. In 2020 IEEE International Symposium on Multimedia (ISM) (113-121). https://doi.org/10.1109/ISM.2020.00027

In the recent years, HTTP Adaptive Bit Rate (ABR) streaming including Dynamic Adaptive Streaming over HTTP (DASH) has become the most popular technology for video streaming over the Internet. The client device requests segments of content using HTTP,... Read More about Llama-Low Latency Adaptive Media Algorithm.

Sdn heading north: Towards a declarative intent-based northbound interface (2020)
Conference Proceeding
Alalmaei, S., Elkhatib, Y., Bezahaf, M., Broadbent, M., & Race, N. (2020). Sdn heading north: Towards a declarative intent-based northbound interface. In 2020 16th International Conference on Network and Service Management (CNSM). https://doi.org/10.23919/CNSM50824.2020.9269118

The Intent-Based Northbound Interface (NBI) offers users the ability to express what they want to achieve instead of how to achieve it, enabling improvements to network management and reducing operational costs. However, development of an Intent-Base... Read More about Sdn heading north: Towards a declarative intent-based northbound interface.

Impact of Content Popularity on Content Finding in NDN: Default NDN vs. Vicinity-based Enhanced NDN (2020)
Conference Proceeding
Suwannasa, A., Broadbent, M., & Mauthe, A. (2020). Impact of Content Popularity on Content Finding in NDN: Default NDN vs. Vicinity-based Enhanced NDN. In 2020 10th International Conference on Information Science and Technology (ICIST) (163-168). https://doi.org/10.1109/ICIST49303.2020.9202215

Named Data Networking allows a consumer to locate a desired content object by its name prefix. By using the best route strategy of the default NDN architecture, an Interest packet is forwarded along a default path indicated by the packet's name to fi... Read More about Impact of Content Popularity on Content Finding in NDN: Default NDN vs. Vicinity-based Enhanced NDN.

From One Edge to the Other: Exploring Gaming's Rising Presence on the Network (2020)
Conference Proceeding
Marsden, M., Hazas, M., & Broadbent, M. (2020). From One Edge to the Other: Exploring Gaming's Rising Presence on the Network. In ICT4S2020: Proceedings of the 7th International Conference on ICT for Sustainability (247-254). https://doi.org/10.1145/3401335.3401366

Audio and video streaming and on-demand services have dramatically changed how, and how much, media is consumed. Streaming generally allows a much larger selection of content, and arguably greater convenience. Gaming is the latest medium to place del... Read More about From One Edge to the Other: Exploring Gaming's Rising Presence on the Network.

Evaluation of cmaf in live streaming scenarios (2020)
Conference Proceeding
Lyko, T., Broadbent, M., Race, N., Nilsson, M., Farrow, P., & Appleby, S. (2020). Evaluation of cmaf in live streaming scenarios. In Proceedings of the 30th ACM Workshop on Network and Operating Systems Support for Digital Audio and Video (21-26). https://doi.org/10.1145/3386290.3396932

HTTP Adaptive Streaming (HAS) technologies such as MPEG DASH are now used extensively to deliver television services to large numbers of viewers. In HAS, the client requests segments of content using HTTP, with an ABR algorithm selecting the quality... Read More about Evaluation of cmaf in live streaming scenarios.

Citrus: Orchestrating Security Mechanisms via Adversarial Deception (2020)
Conference Proceeding
Mills, R., Race, N., & Broadbent, M. (2020). Citrus: Orchestrating Security Mechanisms via Adversarial Deception. In NOMS 2020-2020 IEEE/IFIP Network Operations and Management Symposium. https://doi.org/10.1109/NOMS47738.2020.9110443

Despite the Internet being an apex of human achievement for many years, malicious activity and cyber attacks are becoming more prevalent than ever before. Large scale data collection using threat sources such as honeypots have recently been employed... Read More about Citrus: Orchestrating Security Mechanisms via Adversarial Deception.

P4ID: P4 enhanced intrusion detection (2020)
Conference Proceeding
Lewis, B., Broadbent, M., & Race, N. (2020). P4ID: P4 enhanced intrusion detection. In 2019 IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN) (1-4). https://doi.org/10.1109/NFV-SDN47374.2019.9040044

The growth in scale and capacity of networks in recent years leads to challenges of positioning and scalability of Intrusion Detection Systems (IDS). With the flexibility afforded by programmable dataplanes, it is now possible to perform a new level... Read More about P4ID: P4 enhanced intrusion detection.

Safe and Secure Software-Defined Networks for Smart Electricity Substations (2020)
Conference Proceeding
Holik, F., Broadbent, M., Findrik, M., Smith, P., & Race, N. (2020). Safe and Secure Software-Defined Networks for Smart Electricity Substations. In Intelligent Information and Database Systems: 12th Asian Conference, ACIIDS 2020, Phuket, Thailand, March 23–26, 2020, Proceedings (179-191). https://doi.org/10.1007/978-981-15-3380-8_16

The next generation of smart electricity substations and grids are on the horizon. Part of the drive behind this movement is a need to improve safety and security. In parallel, software-defined networking has been proposed as a disruptive approach wh... Read More about Safe and Secure Software-Defined Networks for Smart Electricity Substations.

Vicinity-based replica finding in named data networking (2020)
Conference Proceeding
Suwannasa, A., Broadbent, M., & Mauthe, A. (2020). Vicinity-based replica finding in named data networking. In 2020 International Conference on Information Networking (ICOIN) (146-151). https://doi.org/10.1109/ICOIN48656.2020.9016429

In Named Data Networking (NDN) architectures, a content object is located according to the content's identifier and can be retrieved from all nodes that hold a replica of the content. The default forwarding strategy of NDN is to forward an Interest p... Read More about Vicinity-based replica finding in named data networking.

Self-generated intent-based system (2020)
Conference Proceeding
Bezahaf, M., Hernandez, M. P., Bardwell, L., Davies, E., Broadbent, M., King, D., & Hutchison, D. (2020). Self-generated intent-based system. In 2019 10th International Conference on Networks of the Future (NoF) (138-140). https://doi.org/10.1109/NoF47743.2019.9015045

We propose an intent-based system where, on top of the user intentions, the system itself generates suitable Quality of Service and resilience parameters and may augment the intent characteristics if it detects any room for improvement. We demonstrat... Read More about Self-generated intent-based system.

Opencache: Distributed sdn/nfv based in-network caching as a service (2019)
Conference Proceeding
Alalmaei, S., Broadbent, M., Race, N., & Chelloug, S. (2019). Opencache: Distributed sdn/nfv based in-network caching as a service. In Advances in Data Science, Cyber Security and IT Applications: First International Conference on Computing, ICC 2019 (265-277). https://doi.org/10.1007/978-3-030-36368-0_22

In-network content caching allows content to be located towards the edge of the network, closer to users. This approach addresses the challenge of exponentially increasing video traffic. We consider OpenCache: an open-source, highly configurable, eff... Read More about Opencache: Distributed sdn/nfv based in-network caching as a service.

Evaluating the real-world performance of 5G fixed wireless broadband in rural areas (2019)
Conference Proceeding
Abozariba, R., Davies, E., Broadbent, M., & Race, N. (2019). Evaluating the real-world performance of 5G fixed wireless broadband in rural areas. In 2019 IEEE 2nd 5G World Forum (5GWF) (465-470). https://doi.org/10.1109/5GWF.2019.8911655

Rural communities are often neglected in the rollout of communication infrastructure, delaying or even preventing the delivery of common digital services that are now ubiquitous in modern society. Addressing this technological gap is of paramount imp... Read More about Evaluating the real-world performance of 5G fixed wireless broadband in rural areas.

CityFlow: Supporting Spatial-Temporal Edge Computing for Urban Machine Learning Applications (2019)
Conference Proceeding
Kawano, M., Yonezawa, T., Tanimura, T., Giang, N. K., Broadbent, M., Lea, R., & Nakazawa, J. (2019). CityFlow: Supporting Spatial-Temporal Edge Computing for Urban Machine Learning Applications. In 3rd EAI International Conference on IoT in Urban Space (3-15). https://doi.org/10.1007/978-3-030-28925-6_1

A growing trend in smart cities is the use of machine learning techniques to gather city data, formulate learning tasks and models, and use these to develop solutions to city problems. However, although these processes are sufficient for theoretical... Read More about CityFlow: Supporting Spatial-Temporal Edge Computing for Urban Machine Learning Applications.

An integrated precision farming application based on 5G, UAV and deep learning technologies (2019)
Conference Proceeding
Razaak, M., Kerdegari, H., Davies, E., Abozariba, R., Broadbent, M., Mason, K., …Remagnino, P. (2019). An integrated precision farming application based on 5G, UAV and deep learning technologies. In Computer Analysis of Images and Patterns (109-119). https://doi.org/10.1007/978-3-030-29930-9_11

Wireless communication technology has made tremendous progress over the last two decades providing extensive coverage, high data-rate and low-latency. The current major upgrade, the fifth generation (5G) wireless technology promises substantial impro... Read More about An integrated precision farming application based on 5G, UAV and deep learning technologies.

Using P4 to enable scalable intents in software defined networks (2018)
Conference Proceeding
Lewis, B., Fawcett, L., Broadbent, M., & Race, N. (2018). Using P4 to enable scalable intents in software defined networks. In 2018 IEEE 26th International Conference on Network Protocols (ICNP) (442-443). https://doi.org/10.1109/ICNP.2018.00064

When designing Software Defined Networks (SDNs), there is a risk that the additional abstractions available can result in reduced scalability and performance. One such abstraction, intents, are a way in which network administrators can express polici... Read More about Using P4 to enable scalable intents in software defined networks.