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  • pHost: Distributed Near-Optimal Datacenter ... - acm

    2015-12-2 · this near-optimal performance, pFabric requires specialized network hardware that implements a specific packet schedul-ing and queue management algorithm1. There are two disad-vantages to this: (i) pFabric cannot use commodity hardware, and (ii) pFabric’s packet scheduling algorithm cannot be al-

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  • Deconstructing Datacenter Packet Transport

    2012-10-19 · We present, pFabric, a minimalistic datacenter fabric design that provides near-optimal performance in terms of completion time for high-priority flows and overall network utilization. pFabric’s design eliminates nearly all buffering on switches (switches have only ∼20KB of buffering per port), requires almost no congestion con-

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  • Towards Minimal-Delay Deadline-Driven Data ... -

    2013-11-16 · ment in practice. Most recently, pFabric [3] achieves near-optimal flow completion times (thus better deadline meeting rate) by the novel idea of decoupling flow scheduling from rate control. However, it is a clean-slate design that requires modifications on both network switches and end hosts.

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  • Prioritizing deadline-constrained data flows in cloud ...

    This paper presents a novel Time-Deadline-Aware-pFabric (TDA-pFabric) being a data transport design whose objectives are two-fold: i) reducing the mean Flow Completion Time (FCT), the deadline mismatch and blocking probabilities as well as ii) improving the mean application throughput. A stochastic queueing model is proposed herein to capture TDA-pFabric's dynamics and evaluate its performance.

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  • Swift: Delay is Simple and Effective for Congestion ...

    and maintainability. Other protocols exemplified by pFabric [3], pHost [21], Homa [39], and NDP [23] explicitly schedule RPCs or flows based on their sizes or deadlines. They can deliver good performance for short RPCs, even at high load. Yet they are more complex to implement, deploy, and maintain, especially when there

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  • ACM SIGCOMM 2020 - ACM SIGCOMM 2020

    2017-8-7 · In this paper, we explore how to use switching ASICs to build much faster load balancers than have been built before. Our system, called SilkRoad, is defined in a 400 line P4 program and when compiled to a state-of-the-art switching ASIC, we show it can load-balance ten million connections simultaneously at line rate.

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  • SilkRoad | Proceedings of the Conference of the ACM ...

    2019-11-18 · Contributors Marcos E. J. Bertin Director, Bertin Quality Consulting, Argentina (CHAPTER 31, ROLE OF THE BOARD OF DIRECTORS: EFFECTIVE AND EFFICIENT GOVERNANCE) Marcos Bertin Schmidt Director, Bertin Quality Consulting, Argentina CHAPTER( 31, ROLE OF THE BOARD OF DIRECTORS: EFFECTIVE AND EFFICIENT GOVERNANCE) R. Kevin Caldwell Executive Vice …

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  • Downloaded by [ City University of Hong Kong

    2019-9-29 · A Framework for Congestion Control for Reliable Data Delivery in Wireless Sensor Networks.In Integrated Network Management, 2007. IM'07. 10th IFIP/IEEE International Symposium on (pp. 793-796). IEEE.(并列通讯作者)

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  • Measuring the Quality of Experience of Web users -

    2020-5-28 · – having reliable ways to compare protocol performance becomes crucial before massive deployments can take place [14]. A number of studies have pointed out the importance of delay and of its direct relationship to the value of business. For instance, This paper was originally presented at the ACM SIGCOMM

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  • Beyond 5G: Reliable Extreme Mobility Management

    2020-8-14 · Beyond 5G: Reliable Extreme Mobility Management SIGCOMM ’20, August 10–14, 2020, Virtual Event, NY, USA Table 2: Network reliability in extreme mobility low mobility high-speed rails (China) Speed (km/h) 0100 100200 200300 300350 Avg. handover interval 50.2 s 20.4 s 19.3 s 11.3 s (§ 3) Total network failure ratio 4.3% (100%) ￿ (§

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  • SIGCOMM Award Recipients | acm sigcomm

    2021-7-6 · SIGCOMM Award Recipients. The annual SIGCOMM Award, presented at the SIGCOMM Technical Conference, recognizes lifetime contribution to the field of communication networks. Award winners receive a honorarium of US 2,000, free registration to the conference, and a crystal trophy. The past recipients are: For groundbreaking contributions to data ...

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  • Reliable and Efficient RFID Networks - MIT CSAIL

    2013-8-29 · Machine‐Generated Data RFID will be a major source of such traffic • “number of RFID tags sold globally is projected to rise from 12 million in 2011 to …

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  • A Comparison of Mechanisms for Improving TCP

    1998-8-19 · a higher quality link with a reduced effective bandwidth. As a result, most of the losses seen by the TCP sender are caused by congestion. Examples of this approach include wireless links with reliable link layer protocols such as AIRMAIL [1], split connection approaches such as Indirect-TCP [2], and TCP-aware link-layer schemes such as the

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  • Measuring the Quality of Experience of Web users -

    2020-5-28 · – having reliable ways to compare protocol performance becomes crucial before massive deployments can take place [14]. A number of studies have pointed out the importance of delay and of its direct relationship to the value of business. For instance, This paper was originally presented at the ACM SIGCOMM

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  • A Comparison of Mechanisms for Improving TCP

    1998-8-19 · a higher quality link with a reduced effective bandwidth. As a result, most of the losses seen by the TCP sender are caused by congestion. Examples of this approach include wireless links with reliable link layer protocols such as AIRMAIL [1], split connection approaches such as Indirect-TCP [2], and TCP-aware link-layer schemes such as the

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  • WhitePaper - Process considerations - A reliable AI data ...

    2020-9-2 · elicitation of reliable ground truth data. 2 Approach to establish a lifecycle and labeling process Within this work, a process and its necessary activities were developed to avoid quality weaknesses and errors as good as possible, with a focus on the phase of generating labels for training and test data for supervised machine learning.

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  • The Effect of Driving Restrictions on Air Quality in ...

    2008-3-8 · driving restrictions on air quality 41 Some see HNC as the central component of Mexico City’s strategy for addressing air pollution, whereas others would like to phase out HNC and replace it with other forms of pollution control. Reliable estimates of the effect of HNC on air pollution are necessary for evaluating these alternatives.

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  • I Sixth Edition ntroduction to

    2016-12-26 · statistical quality-control techniques, design of experiments, regression analysis and empirical model building, and the application of operations research methodology to problems in man-ufacturing systems. He has authored and coauthored more than 190 technical papers in these

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  • Quality (Phred) scores - drive5

    2020-2-17 · So if we see ASCII values >73 that doesn't necessarily mean that we have ASCII_BASE=64, these could be high quality scores with ASCII_BASE=33. The only sure way to distinguish for sure is if we see ASCII values < 64, in which case we know ASCII_BASE=33. A quick way to check visually is to look for # and , which means ASCII_BASE=33 or lower ...

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  • Air Pollution in World: Real-time Air Quality Index

    2021-7-12 · The GAIA air quality monitoring stations are using high-tech laser particle sensors to measure in real-time PM2.5 pollution, which is one of the most harmful air pollutants. Very easy to set up, they only require a WIFI access point and a USB power supply. Once connected, air pollution levels are reported instantaneously and in real-time on our maps

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  • Beyond 5G: Reliable Extreme Mobility Management

    2020-8-14 · Beyond 5G: Reliable Extreme Mobility Management SIGCOMM ’20, August 10–14, 2020, Virtual Event, NY, USA Table 2: Network reliability in extreme mobility low mobility high-speed rails (China) Speed (km/h) 0100 100200 200300 300350 Avg. handover interval 50.2 s 20.4 s 19.3 s 11.3 s (§ 3) Total network failure ratio 4.3% (100%) ￿ (§

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  • The First Fifty Years of ACM SIGCOMM – Computer ...

    SIGCOMM Turns 50. Wesley Chu chaired ACM SIGCOMM between 1973 and 1977. In Recalling the early days (first decade) of SIGCOMM and some thoughts of the future research directions, he discusses early networking conferences and the evolution of our field. In It’s Not About the Internet, Lyman Chapin who served as Chair in the 1990s argues that ...

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  • Empirical Evaluation of Querying Mechanisms ... - acm

    2008-6-24 · Link Quality Estimation: To ensure that during for-warding, a node chooses a good ‘neighbor’, we flrst perform link quality estimation across the network. A simple two-phase TDMA scheme is implemented for packet reception rate (PRR) measurements. In the flrst phase, every node is allocated 100 time slots. In every time slot, a designated

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  • Efficient and reliable low-power backscatter networks ...

    T1 - Efficient and reliable low-power backscatter networks. AU - Wang, Jue. AU - Hassanieh, Haitham. AU - Katabi, Dina. AU - Indyk, Piotr. PY - 2012. Y1 - 2012. N2 - There is a long-standing vision of embedding backscatter nodes like RFIDs into everyday objects to build ultra-low power ubiquitous networks. A major problem that has challenged ...

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  • Nick McKeown - Papers - Stanford University

    2019-4-22 · Stanford University High Performance Networking Group Technical Report TR04-HPNG-061604. 23 pages [ pdf ] An Approach to Alleviate Link Overload as Observed on an IP Backbone. Sundar Iyer, Supratik Bhattacharrya, Nina Taft, Christophe Diot, and Nick McKeown, Proceeding of IEEE INFOCOM, San Francisco, CA, March 2003.

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  • Welcome to the homepage of Alex Liu!

    2021-6-17 · SIGCOMM ACM 计算机通信应用、技术、结构和协议国际会议 8 IEEE International Conference on Computer Communications INFOCOM IEEE 计算机通信国际会议 9 ACM Conference on Computer and Communications Security CCS ACM 计算机和通信安全 10

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  • Beyond 5G: Reliable Extreme Mobility Management

    2020-8-14 · Beyond 5G: Reliable Extreme Mobility Management SIGCOMM ’20, August 10–14, 2020, Virtual Event, NY, USA Table 2: Network reliability in extreme mobility low mobility high-speed rails (China) Speed (km/h) 0100 100200 200300 300350 Avg. handover interval 50.2 s 20.4 s 19.3 s 11.3 s (§ 3) Total network failure ratio 4.3% (100%) ￿ (§

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  • Measuring Path Quality in the Presence of Adversaries:

    2007-2-4 · logue of the statistical path-quality measurement tech-niques designed by the Internet measurement commu-nity [9,10,13,17,24] for the adversarial setting. Our work is most closely related to that of Stealth Prob-ing [4], a statistical fault detection protocol designed for a similar adversarial setting. Techniques from theoretical cryptography: In

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  • Empirical Evaluation of Querying Mechanisms ... - acm

    2008-6-24 · Link Quality Estimation: To ensure that during for-warding, a node chooses a good ‘neighbor’, we flrst perform link quality estimation across the network. A simple two-phase TDMA scheme is implemented for packet reception rate (PRR) measurements. In the flrst phase, every node is allocated 100 time slots. In every time slot, a designated

    Get Price
  • ProQ - Protein quality prediction

    The prediction gets more reliable and performance increase with about 15% if the secondary structure is provided. Citation: Can correct protein models be identified? Björn Wallner and Arne Elofsson (2003). Protein Sci. 12(5):1073-1086.

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  • Nick McKeown - Papers - Stanford University

    2019-4-22 · Stanford University High Performance Networking Group Technical Report TR04-HPNG-061604. 23 pages [ pdf ] An Approach to Alleviate Link Overload as Observed on an IP Backbone. Sundar Iyer, Supratik Bhattacharrya, Nina Taft, Christophe Diot, and Nick McKeown, Proceeding of IEEE INFOCOM, San Francisco, CA, March 2003.

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  • Occupant Indoor Environmental Quality Survey and

    2015-5-12 · Wireless link quality prediction (LQP) is the foundation for proactive operations and is therefore a key technique in alleviating network performance degradation. However, accurate LQP is difficult because of the dynamic nature of wireless environments. A recent study found that fluctuations in intermediate quality links often show dynamics on a sub-second granularity, making the task even ...

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  • Short-term link quality prediction using nonparametric

    2008-7-8 · Monitoring Quality-of-Experience for Operational Cellular Networks Using Machine-to-Machine Traffic Faraz Ahmed, Zihui Ge, Alex X. Liu, Jia Wang, and He Yan. In Proceedings of the 36th Annual IEEE International Conference on Computer Communications , Atlanta, Georgia, May, 2017.Acceptance rate: 292/1395 = 20.9%

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  • What Are VoIP Codecs & How They Affect Call

    Imatest provides customers with software, charts and equipment to meet and exceed image quality testing standards. Imatest gives companies the right tools to test their image capture technology and has been a leader in image quality testing for over 10 years. Whether it’s still shots or video, visible light or infrared, Imatest has helped ...

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