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0x14, Registration open!
by Jamal Hadi Salim 23 Jan '20

23 Jan '20

Sorry, resend to fix the hotel link.. We are pleased to announce the opening of registration for Netdev 0x14. Netdev 0x14 conference will be held in downtown Vancouver, Canada March 17-20, 2020 at the Pinnacle Hotel Harbourfront https://www.pinnacleharbourfronthotel.com We took your feedback from 0x13 and made some changes: - the conference is now 4 days (instead of 3). - From day 2 onwards we are going to experiment with breakout rooms. Instead of infinite _great talks_, we are introducing break out sessions. Attendees interested in specific discussions, after a talk or otherwise, can grab an available break out room and have more discussions. We are still deciding on the exact schedule for the break outs. - Having lunch at the location proved very good for the schedule and the collaboration. So we will be feeding you, again. Our main motivation is to bring the community together to the idea-exchange fountain we call Netdev conf. Since this is now a 4 day event - our costs have gone up. We do not aim to make profit from the event; however, to recoup some of the cost we have raised our registration fee. Cost is: CDN $475 for early bird registration which expires on February 17th 11:59PM Eastern time. Starting Feb 17th onwards, the price goes up to CDN $575. Students are 50% off (ID required) More details on registration: https://www.netdevconf.info/0x14/registration.html If you need financial assistance, note that we do provide bursaries (but slightly constrained this time): https://www.netdevconf.info/0x14/bursaries.html If you need a visa to attend and need an invitation letter, please dont procrastinate and contact us at: registrar(a)netdevconf.info more info at: https://www.netdevconf.info/0x14/travel.html cheers, jamal _______________________________________________ people mailing list people(a)netdevconf.org https://lists.netdevconf.info/cgi-bin/mailman/listinfo/people

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0x14, Registration open!
by Jamal Hadi Salim 23 Jan '20

23 Jan '20

We are pleased to announce the opening of registration for Netdev 0x14. Netdev 0x14 conference will be held in downtown Vancouver, Canada March 17-20, 2020 at the Pinnacle Hotel Harbourfront https://pinnacleharbourfronthotel.com We took your feedback from 0x13 and made some changes: - the conference is now 4 days (instead of 3). - From day 2 onwards we are going to experiment with breakout rooms. Instead of infinite _great talks_, we are introducing break out sessions. Attendees interested in specific discussions, after a talk or otherwise, can grab an available break out room and have more discussions. We are still deciding on the exact schedule for the break outs. - Having lunch at the location proved very good for the schedule and the collaboration. So we will be feeding you, again. Our main motivation is to bring the community together to the idea-exchange fountain we call Netdev conf. Since this is now a 4 day event - our costs have gone up. We do not aim to make profit from the event; however, to recoup some of the cost we have raised our registration fee. Cost is: CDN $475 for early bird registration which expires on February 17th 11:59PM Eastern time. Starting Feb 17th onwards, the price goes up to CDN $575. Students are 50% off (ID required) More details on registration: https://www.netdevconf.org/0x14/registration.html If you need financial assistance, note that we do provide bursaries (but slightly constrained this time): https://www.netdevconf.org/0x14/bursaries.html If you need a visa to attend and need an invitation letter, please dont procrastinate and contact us at: registra(a)netdevconf.org more info at: https://www.netdevconf.org/0x14/travel.html cheers, jamal

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0x14: Workshop, Netfilter
by Jamal Hadi Salim 23 Jan '20

23 Jan '20

Pablo Neira Ayuso will chair a netfilter workshop that will cover updates in the Netfilter land since the last NetDev conference such as: * Summary of asorted updates. * Updates on the next generation packet classification framework. * Connection tracking support for bridge. * Hardware offloads. More info: https://netdevconf.info/0x14/session.html?workshop-netfilter cheers, jamal

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0x14: New workshop, Hardware acceleration and offload
by Jamal Hadi Salim 23 Jan '20

23 Jan '20

Tom Herbert will chair a workshop on hardware acceleration and offload in Network Interface Cards. Tentative agenda for the workgroup include the following topics: - New work in checksum and segmentation offloads - TC flower offload - XDP hints - XDP/eBPF offload - Receive packet steering - Netfilter offload - OVS offload - Application specific hardware queues More info: https://netdevconf.info/0x14/session.html?workshop-hardware-acceleration-an… cheers, jamal

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congestion control in the bufferbloated age
by Dave Taht 23 Jan '20

23 Jan '20

I am unsure if I will make netdevconf this year, as increasingly interesting as the agenda seems. Might make it, might not. my talk at linux.conf.au last week was quite droll with lots of funny bits, and perhaps next year y'all might enjoy something like it, instead of something more serious? https://blog.apnic.net/2020/01/22/bufferbloat-may-be-solved-but-its-not-ove… I figure this time next year writing something more serious will be feasible as the l4s vs sce debate will have settled, and I'll plan on that. -- Make Music, Not War Dave Täht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-435-0729

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0x14: Tutorial, How to add AF_XDP zero-copy support to drivers
by Jamal Hadi Salim 23 Jan '20

23 Jan '20

AF_XDP is a relatively new technology optimized for high performance packet processing. It provides an abstraction over hardware rings, so the application can handle packets in a low-level, yet hardware-agnostic fashion. With conforming drivers, AF_XDP also provides zero-copy packet handling capabilities to the application. At its basic level AF_XDP works works fine with a lot of conforming drivers. Adding zero-copy support is more challenging. Maxim Mikityanskiy has been through trial-by-fire writting zero copy AF_XDP support and came out unscathed. In this tutorial, Maxim instructs on how a driver author would go about adding AF_XDP zero copy support using the mlx5e driver as an example. More info: https://netdevconf.info/0x14/session.html?tutorial-adding-AF_XDP-zero-copy-… cheers, jamal

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0x14: nutsnbolts talk, NVMe-over-TCP ≈ NVMe-over-RDMA
by Jamal Hadi Salim 22 Jan '20

22 Jan '20

Networks are getting faster but so is storage. It is not uncommon anymore for a single high performance storage device to deliver as much as a million read/write operations per second. For traditional remote storage accesses CPU requirements have become unsustainable. The recently merged NVMe-over-TCP has improved performance lowering CPU utilization. However, despite of its advantages of being able to use commodity NICs, NVMe-over-TCP's performance is still significantly worse than NVMe-over-RDMA. Rachit Agarwal, Qizhe Cai, and Jaehyun Hwang have some new ideas on how to significantly improve the status quo. They will discuss a design, implementation and evaluation of several new ideas within NVMe-over-TCP. Their design maintains all the desirable properties of NVMe-over-TCP (unmodified applications, unmodified TCP/IP stack, etc.), and yet, saturates a 100Gbps link for remote accesses using CPU utilization _similar to state-of-the-art user-space and RDMA-based solutions_. More information: https://bit.ly/2Ri6hJd cheers, jamal

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0x14: nutsnbolts talk, Hardware Acceleration of Container Networking Interfaces
by Jamal Hadi Salim 22 Jan '20

22 Jan '20

In this talk Amritha Nambiar, Sridhar Samudrala, and Kiran Patil will discuss the current approaches used in offloading of container network interfaces. The talk will cover macvlan, ipvlan and subdevice functions in addition to some of the newly proposed generic interfaces to create virtual interfaces from a parent pci device. Challenges and limitations of the different approaches as well new ideas will be discussed. More information: https://www.netdevconf.info/0x14/session.html?talk-hardware-acceleration-of… cheers, jamal

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0x14: Tutorial, Programming QUIC
by Jamal Hadi Salim 22 Jan '20

22 Jan '20

So you've heard of this new shiny transport called QUIC. You've even been to several presentations on QUIC at 0x12 and 0x13. And you are wondering how to write applications that run using QUIC transport. Or ... maybe you happen to know that if you pulled apart the Chromium tree and perform some tooling kungfu you could get QUIC infra sufficient for you to write a client or a server... Dmitri Tikhonov has a better idea. Why dont you show up in Vancouver for 0x14? He will be giving a tutorial on how to write applications on top of HTTP/3 QUIC based on the lsquic library. The tutorial will be instructor-led and will start with a (very) short QUIC and HTTP/3 basics introduction followed with a delve into the innards of the lsquic library and leading to interactive coding of simple echo server and client programs. And, of course more.. All the demoed code will be made available on github. More info: https://bit.ly/30HDNvy cheers, jamal

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0x14: moonshot talk, Complex Network Services With eBPF
by Jamal Hadi Salim 21 Jan '20

21 Jan '20

The PC has accepted another moonshot talk! eBPF is great, but: unfortunately it gravitates to the appliance world model (lumping data and control in one pile) - which is ideal for solving simple one-off business problems. Writing complex network services with eBPF is a lot more painful. In this moonshot talk, Sebastiano Miano et al introduce the Polycube project that eases ability to write complex network services with eBPF. Polycube network services have an architecture that moves away from the appliance model by separating data from control and management plane. With its model-driven architecture, Polycube exposes REST APIs for service management. This talk will go into some detail of the Polycube APIs and abstractions and then illustrate the power of Polycube with a small live demo. More information: https://bit.ly/2NM9fDL cheers, jamal

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