Learning in situ: a randomized experiment in video streaming

FY Yan, H Ayers, C Zhu, S Fouladi, J Hong… - … USENIX Symposium on …, 2020 - usenix.org
We describe the results of a randomized controlled trial of video-streaming algorithms for
bitrate selection and network prediction. Over the last year, we have streamed 38.6 years of …

{DispersedLedger}:{High-Throughput} byzantine consensus on variable bandwidth networks

L Yang, SJ Park, M Alizadeh, S Kannan… - 19th USENIX Symposium …, 2022 - usenix.org
The success of blockchains has sparked interest in large-scale deployments of Byzantine
fault tolerant (BFT) consensus protocols over wide area networks. A central feature of such …

SpaceRTC: Unleashing the low-latency potential of mega-constellations for real-time communications

Z Lai, W Liu, Q Wu, H Li, J Xu… - IEEE INFOCOM 2022-IEEE …, 2022 - ieeexplore.ieee.org
User-perceived latency is important for the quality of experience (QoE) of wide-area real-
time communications (RTC). This paper explores a futuristic yet important problem facing the …

Starvation in end-to-end congestion control

V Arun, M Alizadeh, H Balakrishnan - Proceedings of the ACM …, 2022 - dl.acm.org
To overcome weaknesses in traditional loss-based congestion control algorithms (CCAs),
researchers have developed and deployed several delay-bounding CCAs that achieve high …

Converge: Qoe-driven multipath video conferencing over webrtc

S Dhawaskar Sathyanarayana, K Lee… - Proceedings of the …, 2023 - dl.acm.org
Video conferencing has become a daily necessity, but protocols to support video
conferencing have yet to keep pace despite the innovation in next-generation networks. As …

Counterfactual learning on graphs: A survey

Z Guo, T Xiao, Z Wu, C Aggarwal, H Liu… - arXiv preprint arXiv …, 2023 - arxiv.org
Graph-structured data are pervasive in the real-world such as social networks, molecular
graphs and transaction networks. Graph neural networks (GNNs) have achieved great …

{SENSEI}: Aligning video streaming quality with dynamic user sensitivity

X Zhang, Y Ou, S Sen, J Jiang - 18th USENIX Symposium on Networked …, 2021 - usenix.org
This paper aims to improve video streaming by leveraging a simple observation—users are
more sensitive to low qualityin certain parts of a video than in others. For instance, re …

Vsim: Improving qoe fairness for video streaming in mobile environments

Y Yuan, W Wang, Y Wang… - … -IEEE Conference on …, 2022 - ieeexplore.ieee.org
The rapid growth of mobile video traffic and user demand poses a more stringent
requirement for efficient bandwidth allocation in mobile networks where multiple users may …

Common media client data (cmcd) initial findings

A Bentaleb, M Lim, MN Akcay, AC Begen… - Proceedings of the 31st …, 2021 - dl.acm.org
In September 2020, the Consumer Technology Association (CTA) published the CTA-5004:
Common Media Client Data (CMCD) specification. Using this specification, a media client …

Xron: A hybrid elastic cloud overlay network for video conferencing at planetary scale

B Wu, K Qian, B Li, Y Ma, Q Zhang, Z Jiang… - Proceedings of the …, 2023 - dl.acm.org
Quality and cost are two key considerations for video conferencing services. Service
providers face a dilemma when selecting network tiers to build their infrastructure---relying …