Shihang Yan

University of Jinan

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Geyong Min

University of Exeter

Irfan Awan

University of Bradford

Jieqiang Wang

University of Jinan

Ya Wang

University of Jinan

Yaocai Wu

Zhejiang Institute of Mechanical and Electrical Engineering

Hongyan Xu

North University of China

Haiying Wang

University of Shanghai for Science and Technology

Mingyu Xie

Southern Medical University

Zhengkai Lv

Zhejiang University of Technology

Caiyun Liu

Chongqing University

Cooperative Institutions

University of Jinan

Central South University

Chinese Academy of Sciences

Zhejiang Institute of Mechanical and Electrical Engineering

University of Chinese Academy of Sciences

Harbin Engineering University

Sun Yat-sen University

Zhejiang University of Technology

Nanjing University of Aeronautics and Astronautics

Shandong University

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The ammonia modified ZIF-8@SnO2 core-shell nanosheets for improved the sensitivity and selectivity of NO2

Sensors and Actuators B Chemical (2024)

Shihang Yan Zhengrun Chen Ya Wang Jieqiang Wang Hongyan Xu

10.1016/j.snb.2024.135613

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Citations (2)

An Enhanced Congestion Control Mechanism in InfiniBand Networks for High Performance Computing Systems

Shihang Yan Geyong Min Irfan Awan

InfiniBand is quickly becoming the choice of interconnection networks for High Performance Computing (HPC) systems. It defines a System Area Network (SAN) environment where multiple processor nodes and I/O devices are interconnected using a switched point-to-point network. The unique characteristics of InfiniBand networks, such as no packet dropping, small buffer size and low latency, make the congestion control different from the traditional mechanisms for other high-speed networks and propose more challenges. This paper presents an improved Explicit Congestion Notification (ECN) packet marking mechanism for InfiniBand. In addition we propose an effective source response function Power Increase and Power Decrease (PIPD) which adopts the rate control with a window limit to reduce congestion of multiple-class traffic in InfiniBand networks. Simulation experiments have demonstrated that the proposed new resource response function is quite effective in InfiniBand networks and outperforms the existing ECN schemes.

InfiniBand

10.1109/aina.2006.87

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Citations (18)

PERFORMANCE ANALYSIS OF CREDIT-BASED FLOW CONTROL IN INFINIBAND INTERCONNECTION NETWORKS

Journal of Interconnection Networks (2006)

Shihang Yan Geyong Min Irfan Awan

Credit-based flow control scheme that can be used to support both end-to-end and link-level flow control is becoming increasingly popular in high speed system area networks (SAN), e.g. InfiniBand networks where multiple processor nodes and I/O devices are interconnected using switched point-to-point links. By virtue of such a scheme, the downstream node sends credits to the upstream node indicating the availability of buffer spaces. Upon receiving credits, the upstream node injects packets into the networks. Performance analysis of credit-based flow control scheme plays an important role for the design and optimization of InfiniBand interconnection networks which have been widely used in many high-performance cluster, Grid and P2P computing systems. This study develops a new queueing network model for performance evaluation of credit-based flow control in InfiniBand networks. The performance metrics to be derived include the mean queue length, throughput and response time of the system. Simulation experiments have been used to validate the accuracy of the queueing network model. Results obtained from the analytical model have showed that this model can effectively evaluate the performance of credit-based flow control in InfiniBand networks.

InfiniBand

Flow Control

10.1142/s0219265906001843

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Performance Analysis of an Efficient Flow Control Mechanism with Job Threshold in InfiniBand Networks

Shihang Yan Irfan Awan Geyong Min

InfiniBand Architecture (IBA) is defined as a switch-based interconnection technology with high- bandwidth and low-latency. It is suitable for constructing high-speed networks for cluster systems and has been ratified as a new industry standard for the server I/O and inter-processor communication. In this paper, we propose an efficient flow control mechanism with job threshold for InfiniBand networks. This new scheme can reduce the delay, blocking probability, and mean queue length as well as enhance the Quality of Service (QoS) of InfiniBand networks. The principle of maximum entropy (ME) is adopted as an effective methodology to analyze the new mechanism with the generalized exponential (GE)-type distribution for modeling the inter-arrival times and service times of the input traffic. Moreover, typical numerical experiments are included to validate the results of ME algorithm against simulation.

InfiniBand

Flow Control

10.1109/aina.2008.138

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Citations (2)

Super-Resolution Based on Degradation Learning and Self-attention for Small-Scale Pedestrian Detection

Lecture notes in computer science (2022)

Yaocai Wu Han-Cheng Yu Zhengkai Lv Shihang Yan

Pedestrian detection

Fuse (electrical)

Object-class detection

10.1007/978-3-031-13841-6_53

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Multi-scale Feature Based Densely Channel Attention Network for Vision-Based Haze Visibility Detection

Lecture notes in computer science (2022)

Jie Tao Yaocai Wu Qike Shao Shihang Yan

Haze

Visibility

Feature (linguistics)

10.1007/978-3-031-13841-6_51

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Performance Analysis of an Active Flow Control Mechanism with Entry Threshold in InfiniBand Networks

Proceedings (2007)

Shihang Yan Irfan Awan Geyong Min

InfiniBand Architecture (IBA) has been ratified as a new industry standard for the server Input/Output (I/O) and inter-processor communication. It defines a switch-based interconnection technology with high-bandwidth and low-latency suitable for constructing high-speed networks in cluster computing systems. In this paper, we propose an efficient flow control mechanism for InfiniBand networks in order to reduce the delay, blocking probability, and mean queue length as well as improve the system utilization. Consequently, this mechanism can enhance the Quality-of-Service (QoS) of InfiniBand. The principle of maximum entropy (ME) is adopted as an effective methodology to analyze the new mechanism with the generalized exponential (GE)-Type distribution for modeling the inter-arrival times and service times of the input traffic. Typical performance measures obtained from simulation experiments are included to validate the accuracy of the analytical results.

InfiniBand

Flow Control

Bandwidth throttling

10.1109/aina.2007.110

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Synthesis of core-shell ZIF-8@α-Fe2O3 nanorods and improvement of selectivity for ammonia gas

Sensors and Actuators B Chemical (2022)

Qin Ye Caiyun Liu Jinan Li Haiying Wang Shihang Yan

Nanorod

Ammonia production

10.1016/j.snb.2022.132134

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Citations (24)

Effective admission and congestion control for interconnection networks of cluster computing systems

International Journal of High Performance Computing and Networking (2008)

Shihang Yan Geyong Min Irfan Awan

Admission and congestion control mechanisms are integral parts of the design and provision of Quality of Service (QoS) in interconnection networks. This study investigates the admission and congestion control mechanisms for InfiniBand networks in cluster-based computing systems. This paper presents an improved Link-by-Link (LL) admission control algorithm. In addition we propose an effective source response function which adopts the rate control to reduce congestion of multiple-class traffic in InfiniBand networks. Performance results obtained from simulation experiments and the comparison to existing schemes have demonstrated that the proposed admission control algorithm and the new resource response function are quite effective and suitable for InfiniBand networks.

InfiniBand

Admission control

10.1504/ijhpcn.2008.025556

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Citations (3)

Performance analysis and improvement of InfiniBand networks : modelling and effective Quality-of-Service mechanisms for interconnection networks in cluster computing systems

Shihang Yan

InfiniBand

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