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  • pFabric: Minimal Near-Optimal Datacenter Transport

    2013-7-12 · • pFabric achieves near-optimal flow completion times. Fur-ther, pFabric delivers this not just at the mean, but also at the 99th percentile for short flows at loads as high as 80% of the network fabric capacity. pFabric reduces the FCT for short flows compared to …

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  • sig287-alizadeh

    2013-6-19 · Title: sig287-alizadeh.dvi Created Date: 5/29/2013 7:53:06 AM

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  • pFabric | Proceedings of the ACM SIGCOMM 2013

    In this paper we present pFabric, a minimalistic datacenter transport design that provides near theoretically optimal flow completion times even at the 99th percentile for short flows, while still minimizing average flow completion time for long flows. Moreover, pFabric delivers this performance with a very simple design that is based on a key ...

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  • Friends, not Foes – Synthesizing Existing ... - acm sigcomm

    2014-10-5 · self-adjusting endpoints (used in TCP style protocols), in-network prioritization (used in pFabric), and arbitration (used in PDQ). PASE is deployment friendly: it does not require any changes to the network fabric; yet, its perfor-mance is comparable to, or better than, the state-of-the-art protocols that require changes to network elements (e.g.,

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  • pFabric: minimal near-optimal datacenter transport:

    2013-8-27 · Moreover, pFabric delivers this performance with a very simple design that is based on a key conceptual insight: datacenter transport should decouple flow scheduling from rate control. For flow scheduling, packets carry a single priority number set independently by each flow; switches have very small buffers and implement a very simple priority ...

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  • Beyond fat-trees without antennae, mirrors, and ... -

    2017-10-27 · aC-style the timely ane circuit-switched demands. paths the plane First, ays-present econfigured, center of aC dynamically ork, rapidly ailable, sms, so. rade-offs or be layer). most estimation applica-requires c-Through-connection run-fering, changes. [ 22 at [ 13 to information. block demultiplexing han-instead hoice pro-[ 33 , 30 , 25 , 34 ...

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  • pFabric: Minimal Near-Optimal Datacenter Transport

    2019-12-30 · capacity. pFabric reduces the FCT for short flows compared to PDQandDCTCPbymorethan 40% and 2.5–4× respectively at the mean, and more than 1.5–3× and 3–4× respectively at the 99th percentile. • With deadline driven workloads, pFabric can support a much larger number of flows with deadlines as well as much tighter deadlines compared ...

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  • Scheduling Mix-flows in Commodity Datacenters with

    2016-8-16 · pFabric [4], or more generally, EDF-based (Earliest Dead-line First) scheduling schemes, suffer in the mix-flow sce-nario is that they complete deadline flows too aggressively, thus hurting non-deadline flows. For example, since pFabric strictly prioritizes deadline flows, they aggressively take all

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  • Friends, not Foes –Synthesizing Existing ... - acm sigcomm

    2014-9-2 · SIGCOMM’10 D2TCP SIGCOMM’12 L2DCT INFOCOM’13 D3 SIGCOMM’11 PDQ SIGCOMM’12 pFabric Deployment Friendly but SIGCOMM’13 Suboptimal Near Optimal but not Deployment Friendly (Changes in data plane) Step back and ask How can we design a deployment friendly and near optimal data center transport while leveraging the insights offered by ...

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  • Friends, not Foes – Synthesizing Existing ... - acm sigcomm

    2014-10-5 · self-adjusting endpoints (used in TCP style protocols), in-network prioritization (used in pFabric), and arbitration (used in PDQ). PASE is deployment friendly: it does not require any changes to the network fabric; yet, its perfor-mance is comparable to, or better than, the state-of-the-art protocols that require changes to network elements (e.g.,

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  • Friends, not foes: synthesizing existing ... - SIGCOMM

    2021-7-1 · Friends, not foes: synthesizing existing transport strategies for data center networks. Many data center transports have been proposed in recent times (e.g., DCTCP, PDQ, pFabric, etc). Contrary to the common perception that they are competitors (i.e., protocol A vs. protocol B), we claim that the underlying strategies used in these protocols ...

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  • Sincronia: Near-Optimal Network Design for Coflows -

    2018-8-30 · [SIGCOMM ‘4] Theory On Scheduling Coflows [IPCO ‘7] (4-apx) Sincronia: ... SRPT-first style algorithm Sincronia Design •Priorities set from order •Flows offloaded to transport layer •No explicit per-flow rate allocation Set of coflows ... E.g. pFabric, pHost, TCP

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  • Is advance knowledge of flow sizes a plausible assumption?

    2019-12-18 · pFabric – SIGCOMM ’13 Improves FCT by 4x “When an application calls send() or sendto() on a socket, the operating system sends this demand in a request message to the Fastpass arbiter, specifying the destination and the number of bytes.” FastPass – SIGCOMM ‘14 Improves FCT by 15x “The sender must specify the size of a

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  • PIAS-NS2/pFabric.patch at master · HKUST-SING/PIAS

    Homa原版见SIGCOMM 2018。 “Homa: A Receiver-Driven Low-Latency Transport Protocol Using Network Priorities”进一步细化接收端控制机制,引入优先级调度,实现高效CC。高山留存阅读点滴。 数据中心计算在过…

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  • pFabric: Minimal Near-Optimal Datacenter Transport

    2015-11-30 · based on pFabric could be fruitful. Ultimately, we believe t his can pave the path for widespread use of these ideas in practice. Acknowledgments: We thank our shepherd, Jon Crowcroft, and the anonymous SIGCOMM reviewers for their valuable feedback. Mohammad Alizadeh thanks Tom Edsall for useful discussions re-garding the practical aspects of ...

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  • Layer 9: SIGCOMM2013: pFabric: Minimal Near

    2013-8-15 · In pFabric, losses are only recovered with timeouts through the use of a fixed, small RTO. This work falls in the category of protocols which aim to approximate different scheduling algorithms (e.g., SRPT, EDF). Prior works include D3 (SIGCOMM'11), PDQ (SIGCOMM'12), D2TCP (SIGCOMM'12) and L2DCT (INFOCOM'13).

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  • Datacenter Congestion Control: Identifying what ... -

    2020-5-28 · pFabric [2], and the notion that one can use a fixed number of stan-dard priority-scheduled queues to emulate SRPT was discussed in [2, 3, 9, 17, 14]. Our goal in writing this paper was twofold. First, it was to observe that (based on our factor analysis) SRPT is the one essential aspect of pFabric’s design, and everything else could be

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  • -1.5cmHoma: A Receiver-Driven Low-Latency Transport ...

    2018-6-27 · SIGCOMM’18,August20-25,2018,Budapest,Hungary B.Montazerietal. connection state in large-scale applications. It has no explicit ac-knowledgments, which reduces overheads for small messages, and it implements at-least-once semantics rather than at-most-once. 2MOTIVATION AND KEY IDEAS The primary goal of Homa is to provide the lowest possible

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  • PowerPoint Presentation

    2021-7-2 · SIGCOMM’12. pFabric. SIGCOMM’13. PASE. SIGCOMM’14. All assume prior knowledge of flow size information to approximate ideal preemptive Shortest Job First (SJF) with customized network elements. Not feasible for many applications. Hard to deploy in practice. Such as PDQ,pFabric …

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  • 10 Network Papers that Changed the World - SIGCOMM

    2007-9-12 · Ethernet style Local Area Network is interesting. But the most elegant idea (and one that only a computer architect would think of) is the idea of extending Direct Memory Ac-cess (DMA) to RDMA (Remote DMA across the network). Added for gravy is a very elegant Distributed Lock Manager implementation. Many networking students are unaware of

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  • sigcomm14-baraat - Decentralized Task-Aware

    Decentralized Task-Aware Scheduling for Data Center Networks Fahad R. Dogar, Thomas Karagiannis, Hitesh Ballani, and Antony Rowstron Microsoft Research {fdogar, thomkar, hiballan, antr}@microsoft.com ABSTRACT Many data center applications perform rich and complex tasks (e.g., executing a search query or generating a user’s news-feed). From a network perspective, these tasks typi-cally ...

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  • 5 Best Fabrics for Throw Pillows (Reviews Updated

    2021-7-22 · Linen is an extremely durable fabric, but is also luxurious and elegant. It breathes well and is very versatile. This line of linen is premium quality, medium weight, and is 100% linen. The line comes in a wide variety of colors. Fairly budget friendly for premium quality fabric

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  • Slytherin: Dynamic, Network-assisted Prioritization of ...

    2019-8-22 · •pFabric [SIGCOMM ’] •PASE [SIGCOMM ’] •Information-agnostic •PIAS [NSDI ‘] 4 Packet scheduling plays a direct role in the flow completion times of short flows (our focus on this paper) Problem exists even with perfect load balancing Does not specifically target

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  • Data!Center!Transport! - web.eecs.umich.edu

    2013-11-5 · [A+13]!Alizadeh!et!al.,!“pFabric:!Minimal!Near8 Optimal!Datacenter!Transport,”!Proc.&of&ACM& SIGCOMM&‘13,!43(4):435–446,!Aug.!2013! Advanced! Computer ...

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  • Sigcomm15 DC Preview - Stanford University

    2015-9-1 · SIGCOMMPreview’Session: DataCenter’Networking’(DCN) George’Porter,’UC’San’Diego’ 2015 These’slides’are’licensed’under’aCreative’Commons’’

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  • Publications - Stanford University

    ACM SIGCOMM 2013, pFabric: Minimal Near-Optimal Datacenter Transport — ACM CoNext 2013, Scheduling Packets over Multiple Interfaces while Respecting User Preferences — ACM HotSDN 2013, SoftRAN: Software Defined Radio Access Network — USENIX ATC 2013 ...

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  • 10 Network Papers that Changed the World - SIGCOMM

    2007-9-12 · Ethernet style Local Area Network is interesting. But the most elegant idea (and one that only a computer architect would think of) is the idea of extending Direct Memory Ac-cess (DMA) to RDMA (Remote DMA across the network). Added for gravy is a very elegant Distributed Lock Manager implementation. Many networking students are unaware of

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  • Mix‐flow scheduling using deep reinforcement

    2019-4-3 · Fincher is dedicated to the requirements of EF1/EF2 and pFabric is dedicated to the requirements of MF. DRL-Flow is a process of continuous learning; hence, it is reasonable that more training steps can provide a superior performance. 20 Unless otherwise stated, the training steps of DRL-Flow are set at 10 k for this paper.

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  • Slide 1

    2020-6-4 · Presto [SIGCOMM ’15], Hula [SOSR ’16] Conga [SIGCOMM ’14] Congestion control. DCTCP [SIGCOMM ’10], D2TCP [SIGCOMM ’12] Packet scheduling. Information-aware. pFabric [SIGCOMM ’13] PASE [SIGCOMM ’14] Information-agnostic. PIAS [NSDI ‘15] Packet scheduling plays a direct role in the flow completion times of short flows (our focus ...

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  • 10 network papers that changed the world, ACM

    2021-4-28 · 基于分布式优化的数据中心网络混流调度机制 张彤 1,2, 任丰原 3, 舒然 4 1. 南京航空航天大学 计算机科学与技术学院, 南京 211106; 2. 软件新技术与产业化协同创新中心, 南京 210093;

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  • Coflow - University of Michigan

    2020-11-26 · 性能提升最高达25倍!. 新型分布式机器学习训练加速方案RAT技术解读. 本文将介绍一种在数据中心场景下的分布式机器学习训练加速方案,该方案主要用于加速分布式训练的参数交换过程。. 首先我们将科普性地描述分布式训练流程并阐述参数交换方案的定义 ...

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

    2016-11-12 · 1. Managing Data Transfers in Computer Clusters with Orchestra, SIGCOMM’2011 2. Finishing Flows Quickly with Preemptive Scheduling, SIGCOMM’2012 3. pFabric: Minimal Near -Optimal Datacenter Transport, SIGCOMM’2013 4. Decentralized Task-Aware Scheduling for Data Center Networks, SIGCOMM’2014 Smallest-flow-first (per-flow priorities)

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  • Home Page of Sachin Katti - Stanford University

    2015-12-2 · 1Specifically, in pFabric, each packet carries the number of currently remaining (that is, un-ACKed) bytes in the packet’s flow. A pFabric switch defines a flow’s priority based on the packet from that flow with the smallest remaining number of bytes. The switch then schedules the oldest packet from the flow with the highest priority.

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  • Nick McKeown - Papers

    2019-4-22 · pFabric: minimal near-optimal datacenter transport Mohammad Alizadeh, Shuang Yang, Milad Sharif, Sachin Katti, Nick McKeown, Balaji Prabhakar, Scott Shenker ACM SIGCOMM 2013 12 pages [ pdf] Downton Abbey Without the Hiccups: Buffer-Based Rate Adaptation for HTTP Video Streaming Te-Yuan Huang, Ramesh Johari, Nick McKeown ACM SIGCOMM 2013 ...

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  • A Generalized Blind Scheduling Policy - UMD

    2018-8-3 · pFabric pFabric: Minimal Near-Optimal Datacenter Transport (Alizadeh et al. Sigcomm 2013) Goal: Complete Flows Quickly Requires scheduling ows such that: High throughput for large ows Fabric latency (no queuing delays) for small ows Prior work: use rate control to schedule ows vastly improve performance, but complex

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  • Decentralized Task-Aware Scheduling for Data Center

    2018-1-4 · get MapReduce style workloads (e.g., Orchestra [11]). Our results show that for the Bing-like workload, Baraat reduces the 95th percentile task completion time by 70% compared to pFabric and by 27% compared to Orchestra. For the data-analytics workload, Baraat reduces the 95th percentile task completion time by 43% and 93% compared to pFabric

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  • Talks/Slides - People | MIT CSAIL

    2020-10-19 · pFabric: Minimal Near-Optimal Datacenter Transport ACM SIGCOMM Conference August 2013, Hong Kong, China . pFabric: Minimal Near-Optimal Datacenter Transport Google Tech Talk July 2013, Mountain View, CA. Transport in Future Warehouse-Scale Computers Microsoft Research Mini-summit October 2012, Redmond, WA. Deconstructing Datacenter Packet Transport

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  • Networking Technologies in Cloud Computing-2015

    2015-10-19 · SIGCOMM, 2011. “pFabric: Minimal Near-Optimal Datacenter Transport,” ACM SIGCOMM, 2013. “CONGA: Distributed Congestion-Aware Load Balancing for Datacenters,” ACM SIGCOMM, 2014. “Congestion Control for Large-Scale RDMA2015.

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  • Algorithmic Aspects of Computer Networks CAS CS 559

    2007-9-5 · Algorithmic Aspects of Computer Networks CAS CS 559 MW 9:30-11:00, PSY B51 Instructor: Prof. John Byers Office MCS 270, Phone: 353-8925 Email [email protected]

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