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Amr Rizk
Researcher at Technische Universität Darmstadt
Publications - 58
Citations - 1214
Amr Rizk is an academic researcher from Technische Universität Darmstadt. The author has contributed to research in topics: Computer science & Queueing theory. The author has an hindex of 19, co-authored 47 publications receiving 969 citations. Previous affiliations of Amr Rizk include University of Warwick & University of Massachusetts Amherst.
Papers
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Journal ArticleDOI
A Guide to the Stochastic Network Calculus
Markus Fidler,Amr Rizk +1 more
TL;DR: An intuitive approach to the stochastic network calculus is contributed, where the method uses moment generating functions, known from the theory of effective bandwidths, to characterize traffic arrivals and network service.
Proceedings ArticleDOI
Multipath QUIC: A Deployable Multipath Transport Protocol
TL;DR: This paper proposes multipath-enabled QUIC (MPQUIC) to leverage multiple network interfaces, such as WiFi and LTE on today's mobile devices, and shows how the MPQUIC design conceptually evolves beyond existing multipathing protocols, as it provides fine-grained stream-to-path scheduling, reduced head-of-line blocking, and faster subflow establishment.
Proceedings ArticleDOI
SQUAD: a spectrum-based quality adaptation for dynamic adaptive streaming over HTTP
Cong Wang,Amr Rizk,Michael Zink +2 more
TL;DR: A novel DASH quality adaptation algorithm SQUAD is introduced, which is specifically designed to ensure high quality of experience (QoE) in terms of number and magnitude of quality switches and shows that by sacrificing little to none in average quality bitrate, SQUAD provides significantly better QoE.
Journal ArticleDOI
Multi-Provider Service Chain Embedding With Nestor
TL;DR: This paper decomposes NSE into NF-graph partitioning performed by a centralized coordinator and NF-subgraph mapping onto datacenter networks, and presents linear programming formulations to derive near-optimal solutions for both problems.
Proceedings ArticleDOI
A measurement study on the application-level performance of LTE
TL;DR: This paper presents application-level performance results measured in a major commercial LTE network, and pinpoint LTE specific delays that arise from network signalling, energy saving algorithms and Hybrid Automatic Repeat reQuest (HARQ).