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Hongyi Wang
Tsinghua University
13Publications
7H-index
239Citations
Publications 13
Newest
Yong Cui21
Estimated H-index: 21
(Tsinghua University),
Shihan Xiao5
Estimated H-index: 5
(Tsinghua University)
+ 4 AuthorsHongyi Wang7
Estimated H-index: 7
(Tsinghua University)
In cellular networks, it is important to conserve energy while at the same time satisfying different user performance requirements. In this paper, we first propose a comprehensive metric to capture the user performance cost due to task delay, deadline violation, different application profiles, and user preferences. We prove that finding the energy-optimal scheduling solution while meeting the requirements on the performance cost is NP-hard. Then, we design an adaptive online scheduling algorithm...
2 Citations Download PDF Cite
2016
Yong Cui21
Estimated H-index: 21
,
Hongyi Wang7
Estimated H-index: 7
+ 2 AuthorsXin Wang23
Estimated H-index: 23
Source
Yong Cui21
Estimated H-index: 21
(Tsinghua University),
Lian Wang2
Estimated H-index: 2
(Tsinghua University)
+ 2 AuthorsYining Wang2
Estimated H-index: 2
(Tsinghua University)
Ideally, the throughput of a Multipath TCP (MPTCP) connection should be as high as that of multiple disjoint single-path TCP flows. In reality, the throughput of MPTCP is far lower than expected. In this paper, we conduct an extensive simulation-based study on this phenomenon, and the results indicate that a subflow experiencing high delay and loss severely affects the performance of other subflows, thus becoming the bottleneck of the MPTCP connection and significantly degrading the aggregate go...
48 Citations Download PDF Cite
2014 in International Conference on Computer Communications
Yong Cui21
Estimated H-index: 21
(Tsinghua University),
Shihan Xiao5
Estimated H-index: 5
(Tsinghua University)
+ 3 AuthorsZeqi Lai4
Estimated H-index: 4
(Tsinghua University)
14 Citations Source Cite
Yong Cui21
Estimated H-index: 21
(Tsinghua University),
Hongyi Wang7
Estimated H-index: 7
(Tsinghua University)
+ 2 AuthorsAntti Ylä-Jääski14
Estimated H-index: 14
(Aalto University)
Unbalanced traffic demands of different data center applications are an important issue in designing data center networks (DCN). In this paper, we present our exploratory investigation on a hybrid DCN solution of utilizing wireless transmissions in DCNs. Our work aims to solve the congestion problem caused by a few hot nodes to improve the global performance. We model the wireless transmissions in DCN by considering both the wireless interference and the adaptive transmission rate. Besides, both...
20 Citations Source Cite
2012 in International Conference on Distributed Computing Systems
Yong Cui21
Estimated H-index: 21
(Tsinghua University),
Xin Wang23
Estimated H-index: 23
(Stony Brook University)
+ 2 AuthorsYining Wang2
Estimated H-index: 2
(Tsinghua University)
Ideally, the throughput of a Multipath TCP (MPTCP) connection should be as high as that of multiple disjoint single-path TCP flows. In reality, the throughput of MPTCP is far lower than expected. This is fundamentally caused by the fact that a sub flow with high delay and loss affects the performance of other sub flows, and thus becomes the bottleneck of the MPTCP connection and significantly degrades the aggregate good put. To tackle this problem, we propose Fountain code-based Multipath TCP (F...
19 Citations Source Cite
Yong Cui21
Estimated H-index: 21
,
Wenjie Hu1
Estimated H-index: 1
+ 3 AuthorsAntti Ylä-Jääski14
Estimated H-index: 14
Source
2012
Yong Cui21
Estimated H-index: 21
,
Guangjin Pan1
Estimated H-index: 1
+ 1 AuthorsXin Xu
Source
2011 in International Conference on Ubiquitous Information Management and Communication
Yong Cui21
Estimated H-index: 21
(Tsinghua University),
Hongyi Wang7
Estimated H-index: 7
(Tsinghua University),
Xiuzhen Cheng41
Estimated H-index: 41
(George Washington University)
Data Center Networks (DCNs) suffer from the congestions caused by unbalanced traffic distributions. Nevertheless, it is difficult to address such a challenge with the existent Ethernet-based DCN architecture. Wireless networking has been considered as a viable approach with a high potential to tackle the problem due to its flexibility. This paper presents Wireless Link Scheduling for Data Center Networks (WLS-DCN) to provide a feasible wireless DCN. More specifically, we propose a wireless DCN a...
15 Citations Source Cite
Yong Cui21
Estimated H-index: 21
(Tsinghua University),
Hongyi Wang7
Estimated H-index: 7
(Tsinghua University)
+ 1 AuthorsBiao Chen9
Estimated H-index: 9
(University of Macau)
Data centers play a key role in the expansion of cloud computing. However, the efficiency of data center networks is limited by oversubscription. The typical unbalanced traffic distributions of a DCN further aggravate the problem. Wireless networking, as a complementary technology to Ethernet, has the flexibility and capability to provide feasible approaches to handle the problem. In this article, we analyze the challenges of DCNs and articulate the motivations of employing wireless in DCNs. We ...
44 Citations Source Cite
12