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- research-articleDecember 2024
Routing-Aware Shaping for Feasible Multi-Domain Determinism
ACM MobiCom '24: Proceedings of the 30th Annual International Conference on Mobile Computing and NetworkingPages 2419–2424https://doi.org/10.1145/3636534.3696727Use cases for network determinism may involve the traversal of multiple network domains. A typical example is the edge-cloud virtualization of the controllers for industrial automation, where the end-to-end data path may include a private mobile network ...
Chasing Lightspeed Consensus: Fast Wide-Area Byzantine Replication with Mercury
MIDDLEWARE '24: Proceedings of the 25th International Middleware ConferencePages 158–171https://doi.org/10.1145/3652892.3700756Blockchain technology sparked renewed interest in planetary-scale Byzantine fault-tolerant (BFT) state machine replication (SMR). While recent works predominantly focused on improving the scalability and throughput of these protocols, few of them ...
- research-articleNovember 2024JUST ACCEPTED
Solutions, Challenges and Opportunities in Volumetric Video Streaming: An Architectural Perspective
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), Just Accepted https://doi.org/10.1145/3705321Volumetric video streaming technologies are the future of immersive media services such as virtual, augmented, and mixed-reality experiences. The challenges surrounding such technologies are tremendous due to the high network bandwidth needed to produce ...
- research-articleNovember 2024
GFFE: G-buffer Free Frame Extrapolation for Low-latency Real-time Rendering
ACM Transactions on Graphics (TOG), Volume 43, Issue 6Article No.: 248, Pages 1–15https://doi.org/10.1145/3687923Real-time rendering has been embracing ever-demanding effects, such as ray tracing. However, rendering such effects in high resolution and high frame rate remains challenging. Frame extrapolation methods, which do not introduce additional latency as ...
- research-articleApril 2024
BypassD: Enabling fast userspace access to shared SSDs
ASPLOS '24: Proceedings of the 29th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 1Pages 35–51https://doi.org/10.1145/3617232.3624854Modern storage devices, such as Optane NVMe SSDs, offer ultra-low latency of a few microseconds and high bandwidth of multiple gigabytes per second. At these speeds, the kernel software I/O stack is a substantial source of overhead. Userspace approaches ...
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- research-articleApril 2024
JitBright: towards Low-Latency Mobile Cloud Rendering through Jitter Buffer Optimization
- Yuankang Zhao,
- Qinghua Wu,
- Gerui Lv,
- Furong Yang,
- Jiuhai Zhang,
- Feng Peng,
- Yanmei Liu,
- Zhenyu Li,
- Ying Chen,
- Hongyu Guo,
- Gaogang Xie
NOSSDAV '24: Proceedings of the 34th edition of the Workshop on Network and Operating System Support for Digital Audio and VideoPages 36–42https://doi.org/10.1145/3651863.3651881Low-latency cloud rendering services use high-performance servers to provide mobile device users with exquisite graphics and convenient access experiences. Due to the complexity of the system and the diversity of impacting factors, identifying system ...
- research-articleApril 2024
Enabling adaptive and reliable video delivery over hybrid unicast/broadcast networks
- Casper Haems,
- Jeroen Van Der Hooft,
- Hannes Mareen,
- Peter Steenkiste,
- Glenn Van Wallendael,
- Tim Wauters,
- Filip De Turck
NOSSDAV '24: Proceedings of the 34th edition of the Workshop on Network and Operating System Support for Digital Audio and VideoPages 29–35https://doi.org/10.1145/3651863.3651880The increasing demand for high-quality video streaming, coupled with the necessity for low-latency delivery, presents significant challenges in today's multimedia landscape. In response to these challenges, this research explores the optimization of ...
- research-articleMarch 2024
LL-GNN: Low Latency Graph Neural Networks on FPGAs for High Energy Physics
- Zhiqiang Que,
- Hongxiang Fan,
- Marcus Loo,
- He Li,
- Michaela Blott,
- Maurizio Pierini,
- Alexander Tapper,
- Wayne Luk
ACM Transactions on Embedded Computing Systems (TECS), Volume 23, Issue 2Article No.: 17, Pages 1–28https://doi.org/10.1145/3640464This work presents a novel reconfigurable architecture for Low Latency Graph Neural Network (LL-GNN) designs for particle detectors, delivering unprecedented low latency performance. Incorporating FPGA-based GNNs into particle detectors presents a unique ...
- research-articleMarch 2024
Optimal Quality and Efficiency in Adaptive Live Streaming with JND-Aware Low latency Encoding
- Vignesh V. Menon,
- Jingwen Zhu,
- Prajit T. Rajendran,
- Samira Afzal,
- Klaus Schoeffmann,
- Patrick Le Callet,
- Christian Timmerer
MHV '24: Proceedings of the 3rd Mile-High Video ConferencePages 61–67https://doi.org/10.1145/3638036.3640807In HTTP adaptive live streaming applications, video segments are encoded at a fixed set of bitrate-resolution pairs known as bitrate ladder. Live encoders use the fastest available encoding configuration, referred to as preset, to ensure the minimum ...
- short-paperMarch 2024
This is The Way: Prioritization in Media-over-QUIC Transport
MHV '24: Proceedings of the 3rd Mile-High Video ConferencePages 113–114https://doi.org/10.1145/3638036.3640280Media-over-QUIC transport is a new application-layer protocol currently under development for low-latency media ingest and distribution. Used in both browser (i.e., HTTP/3 WebTransport) and non-browser (i.e., raw QUIC) environments, the solution targets ...
- short-paperMarch 2024
The TDC profile of JPEG XS 3rd edition: new perspectives for graphics content, eSport production, and remote collaboration in low latency
MHV '24: Proceedings of the 3rd Mile-High Video ConferencePage 106https://doi.org/10.1145/3638036.3640270The JPEG XS [1,2,3] activity started around 2015 to address the problem of the ever- increasing bandwidth requirements for transmitting video content in professional production environments. In such environments, ultra-low latency, low complexity, and ...
- research-articleDecember 2023
ExtraSS: A Framework for Joint Spatial Super Sampling and Frame Extrapolation
SA '23: SIGGRAPH Asia 2023 Conference PapersArticle No.: 92, Pages 1–11https://doi.org/10.1145/3610548.3618224We introduce ExtraSS, a novel framework that combines spatial super sampling and frame extrapolation to enhance real-time rendering performance. By integrating these techniques, our approach achieves a balance between performance and quality, generating ...
- research-articleNovember 2023
Design and Analysis of High Performance Heterogeneous Block-based Approximate Adders
ACM Transactions on Embedded Computing Systems (TECS), Volume 22, Issue 6Article No.: 106, Pages 1–32https://doi.org/10.1145/3625686Approximate computing is an emerging paradigm to improve the power and performance efficiency of error-resilient applications. As adders are one of the key components in almost all processing systems, a significant amount of research has been carried out ...
- ArticleDecember 2023
Multi-stream-Based Low-Latency Viewport Switching Scheme for Panoramic Videos
AbstractPanoramic videos have emerged as a widely-used media format as they provide immersive and interactive experience, but their large resolution and high frame rate pose great challenges for video compression efficiency. The challenges are relieved by ...
- research-articleJune 2023
Media over QUIC: Initial Testing, Findings and Results
MMSys '23: Proceedings of the 14th ACM Multimedia Systems ConferencePages 301–306https://doi.org/10.1145/3587819.3593937With its advantages over TCP, QUIC created a new field for developing media-aware low-latency delivery solutions. The problem space is being examined by the new Media over QUIC (moq) working group in the IETF. In this paper, we study one of the initial ...
- research-articleJune 2023
Latency Target based Analysis of the DASH.js Player
MMSys '23: Proceedings of the 14th ACM Multimedia Systems ConferencePages 153–160https://doi.org/10.1145/3587819.3590971We analyse the low latency performance of the three Adaptive Bitrate (ABR) algorithms in the dash.js Dynamic Adaptive Streaming over HTTP (DASH) player with respect to a range of latency targets and configuration options. We perform experiments on our ...
- short-paperJune 2023
Need for Low Latency: Media over QUIC
MHV '23: Proceedings of the 2nd Mile-High Video ConferencePages 139–140https://doi.org/10.1145/3588444.3591033This paper overviews developing a low-latency solution for media ingest and distribution, the work undertaken by the IETF's new Media over QUIC (moq) working group. It summarizes the motivation, goals, current work and potential improvements.
- invited-talkJanuary 2023
Invited Paper: Intelligent Agent Support for Achieving Low Latency in Cloud-Native NextG Mobile Core Networks
ICDCN '23: Proceedings of the 24th International Conference on Distributed Computing and NetworkingPages 12–19https://doi.org/10.1145/3571306.3571386Next-generation mobile core networks are being designed to support a variety of latency sensitive applications based on emerging virtual, augmented or mixed reality technologies. A cloud-native approach for 5G core has been proposed to meet the diverse ...
- research-articleJanuary 2023
An enhanced genetic algorithm for computation task offloading in MEC scenario
International Journal of Wireless and Mobile Computing (IJWMC), Volume 25, Issue 2Pages 118–127https://doi.org/10.1504/ijwmc.2023.133059The explosive growth of Internet of Things (IoT) and 5G communication technologies has driven the increasing computing demands for wireless devices. Mobile edge computing in the 5G scenario is a promising solution for energy-efficient and low latency ...