SNIA-SDC23-Schubert-How-Bad-Is-TCP_0.pdf

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1、1|2023 SNIA.All Rights Reserved.Virtual ConferenceSeptember 28-29,2021How Bad is TCP?(And What Are the Alternatives?)Endric Schubert,Ph.D.endricmle.biz2|2023 SNIA.All Rights Reserved.MLE Mission:“From Software to Silicon!”High-Performance(Embedded)Compute&Connected Systems-of-Systems need“Offload En

2、gines”for better performance,lower and deterministic latency and improved energy efficiency.Focus on standards such as PCIe,NVMe,Ethernet,TCP/UDP/IP,TSN.3|2023 SNIA.All Rights Reserved.Multi-Gigabit Real-Time NetworkingMarket&Technology ForcesIntegrated Communication and Sensing(ICAS)Zone-Based In-V

3、ehicle Networking(Auto/TSN)Real-time Backbone for Virtualized PLC(Robo/TSN)4|2023 SNIA.All Rights Reserved.Work MotivationSystems-of-systems Tightly-coupled:i.e.distributed processing with microservicesLoosely-connected via networks(which continuously are the bottleneck)Need to optimize for power/en

4、ergy efficiencyfor throughputfor(deterministic)latency and real-time deliveryDomain-Specific Architectures:“Offload”(protocol)processing software onto silicon but adhere to(defacto)standards and APIsMake networks more deterministic and Time-Sensitive 5|2023 SNIA.All Rights Reserved.Presentation Outl

5、ineHow Bad is TCP?Computational BurdenTail-end LatenciesWhat Are the Alternatives?Homa from John Ousterhouts team at Stanford UniversityQRP(Quad R P)-a Hardware Accelerated Version of Homa6|2023 SNIA.All Rights Reserved.Courtesy of John Ousterhout,Stanford University7|2023 SNIA.All Rights Reserved.C

6、ourtesy of John Ousterhout,Stanford University8|2023 SNIA.All Rights Reserved.Courtesy of John Ousterhout,Stanford University9|2023 SNIA.All Rights Reserved.Courtesy of John Ousterhout,Stanford University10|2023 SNIA.All Rights Reserved.Courtesy of John Ousterhout,Stanford University11|2023 SNIA.All