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Registration Open - NetDev 0x18
by Christie Geldart 15 Jul '24

15 Jul '24

Hi Everyone!Happy NetDev 0x18! Registration is opening at 8am today outside of RND building. See you all shortly,Christie

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0x18: Bronze sponsor, Nvidia
by Jamal Hadi Salim 09 Jul '24

09 Jul '24

We are pleased to welcome back NVIDIA (https://www.nvidia.com/) as a bronze sponsor for Netdev conf 0x18! Thank you for your sponsorship! NVIDIA is the leader in open networking with end-to-end solutions for SmartNICs, DPUs, open optics, and accelerated data center switches. NVIDIA is committed to open-source at all layers of the software and hardware stack with open networking initiatives like Linux Networking, SwitchDev, DENT, and the SONiC network operating systems and believes that open-source has the power to accelerate innovation and benefits everyone. cheers, jamal

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0x18: Bronze sponsor, Fastly!
by Jamal Hadi Salim 25 Jun '24

25 Jun '24

We welcome a first time sponsor, Fastly! Fastly has blessed us with a bronze sponsorship. Fastly is a programmable edge cloud platform that helps developers create secure, scalable, fast digital experiences. Open source is a part of the Fastly heritage, which is essential to their operations, and central to their future. https://netdevconf.info/0x18/news/bronze-sponsor-fastly.html cheers, jamal

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0x18: Fireside chat with Martin Casado!
by Jamal Hadi Salim 19 Jun '24

19 Jun '24

Instead of our usual keynote, for 0x18 we are honored to have Martin Casado as our guest in a fireside chat. In a previous life Martin co-founded Nicira, the originator of the kernel's openvswitch which was acquired by VMware in 2012. Based on his work at Stanford he helped create the software-defined networking (SDN) movement, leading to a new paradigm of network virtualization. As a general partner at Andreessen Horowitz Martin leads the firm’s $1.25 billion infrastructure practice. Martin is very passionate about AI/ML generally and a good part of his investment portfolio focuses on that space. For this reason, it is only natural that at the fireside chat we engage him on AI/ML with some focus on the networking industry, Linux and the role of open source in general. The subject of discussion is wide - ranging from the effects in the industry, the challenges in regulations, misconception or reality or not of displacements, opportunities, etc. We will be announcing in the near future the format of the fireside chat. See the schedule and set your calendar, and dont forget to get the popcorn on your way to the session! More details about Martin: https://netdevconf.info/0x18/sessions/keynote/keynote-casado.html cheers, jamal

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0x18: Schedule out
by Jamal Hadi Salim 16 Jun '24

16 Jun '24

The tentative schedule is now up, so mark your calendars! https://netdevconf.info/0x18/pages/schedule.html cheers, jamal

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0x18: All sessions now available...
by Jamal Hadi Salim 15 Jun '24

15 Jun '24

All sessions now available. Sorry I wont be able to add commentary on the rest of the sessions investing time on the schedule instead... https://netdevconf.info/0x18/pages/sessions.html cheers, jamal

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0x18 talk: More talks
by Jamal Hadi Salim 15 Jun '24

15 Jun '24

Tom Herbert, Fred Templin and Rachel Dudukovich discuss interplanetary and space communications in this moonshot talk. Ping to Mars, anyone? ;-> Traditional transport protocols including TCP don't fare well in the presence of long delays, so alternative protocols are needed. The authors discuss architectural challenges in dealing with these sorts of networks aptly named as Delay-tolerant networks, or DTN. More info: https://netdevconf.info/0x18/42 Cong Wang and A K M Fazla Mehrab discuss Transparent Shared Memory Communications using eBPF in this moonshot talk. The authors note two challenges with co-resident VMs when resources are shared. First, due to high overheads of switches and events in host/guest domain and VMM. Second, very costly the communication overhead between co-resident VMs. To address this challenge the authors are proposing using BPF arena as a foundation alongside socket maps and sockops infrastructure to solve this problem. More info: https://netdevconf.info/0x18/42 Parav Pandit, Yishai Hadas, Avihai Horon, Feng Liu and Satananda Burla describe their journey to advancing device migration for virtio PCI hardware devices. Live migration of VMs with pass-through virtual functions is essential for hypervisor infrastructure. In this talk the authors detail the evolution of the various design aspects of the spec, implementation challenges, their solutions, comparisons against vendor-specific approaches and IDPF. They finally share the lessons learnt in the journet and share present performance benchmarks. More info: https://netdevconf.info/0x18/22 cheers, jamal

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0x18 talks: AI/ML
by Jamal Hadi Salim 14 Jun '24

14 Jun '24

Jasmine Mou and Krz Sywula give a moonshot talk on using Machine Learning Optimization Algorithms in HTTP Latency Tuning on Nginx. Jasmine and Krz discuss techniques for dealing with the massive number of tunables to identify the best parameter combinations for different workloads, and streamline the process to minimize human intervention. They focus on optimizing HTTP latency for an Nginx server. In this talk they discuss their methodology and share their experimental results. More info: https://netdevconf.info/0x18/27 Jesse Brandeburg and Kamel Ayari present work on enhancing netdev reviews using AI. I have to admit my bias: This is my favorite submission! You dont need to read between the lines and guess the reviewers bias, it's a machine giving you feedback! Does this mean we are going to get rid of all those pesky reviewers? Come and find out ;-> More info: https://netdevconf.info/0x18/26 Jasmine Mou will give a talk on Machine Learning Practices in Network Traffic across Data Centers. With massive growth of network infrastructure it is getting overwhelming for network engineers in network traffic management and capacity planning. Jasmine will share ByteDance practices of how machine learning, statistical profiling, and visualization techniques are applied with network traffic data to address these challenges. More info: https://netdevconf.info/0x18/16 Anjali Singhai, Shaopeng He and Sridhar Samudrala will give a talk on Advancing TCP with Device Memory[1] and Collective Communication(CC). Anjali, Shaopeng and Sridhar build up on devmem work on the Intel IPU NICs to enable efficient CC across clusters. The authors will present detailed performance data to demonstrate the enhanced TCP’s effectiveness, showcasing its comparability to RDMA and its superiority over standard TCP, particularly in handling larger packet sizes. More info: https://netdevconf.info/0x18/33 cheers, jamal [1] devmen bof https://netdevconf.info/0x18/36

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0x18 talks: TCP related talks
by Jamal Hadi Salim 14 Jun '24

14 Jun '24

Maryam Ataei Kachooei, Joshua Chung, Amber Cronin, Benjamin Peters(a)viasat.com, Feng Li, Jae Won Chung and Mark Claypool talk about a new TCP slow start algorithm SEARCH(Slow start Exit At Right CHokepoint). The authors state that with SEARCH they resolved challenges in wireless links with premature exits from slow start. They will share their kernel changes and results on experiments on WiFi, 4G/LTE, and low earth orbit (LEO) and geosynchronous (GEO) satellite links. More info: https://netdevconf.info/0x18/1 John Ousterhout asks a question: Is it OK to Hijack TCP? John notes that TCP already has all kinds of classical goodies built into the HW offload infrastructure, example TSO, HW GRO, checksum, etc and he wants to take advantage of them. He proposes to masquerade HOMA as TCP on the sender and then disambiguating at the receiver. Come give him some feedback More info: https://netdevconf.info/0x18/19 Amery Hung and Xiaochun Lu will discuss Fine-grained tuning of TCP. Amery and Xiaochun observe that increasing link speeds are inducing the growth of number of flows seen on the wire, with a mix of long or short flows. Unfortunately traditional CC algos like CUBIC favor long flows which conflicts with application desires for throughput and latency. The authors discuss the techniques they use to address these challenges. More info: https://netdevconf.info/0x18/25 cheers, jamal

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0x18 talk: State of the union in TCP land
by Jamal Hadi Salim 13 Jun '24

13 Jun '24

Monsieur Eric Dumazet will give the classical State of the union in TCP land talk. It is rumored (I cant confirm or deny this!) that the Ninja may descend into the conference from the rooftop. Come and join in this enlightening talk! cheers, jamal

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