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0x12: Looking for a few heroes
by Jamal Hadi Salim 22 Jun '18

22 Jun '18

Ok, sorry - that was a lame subject line but hopefully caught your attention;-> We are looking for volunteers to help us capture the sessions at the 0x12 conference. The end goal is to make the larger community aware of these discussions. The reports will be sent to Linux Weekly News(lwn). Pick one or two talks that you are interested in; to ease thing for you we will ask the speakers to be accessible to you and if it would help give you early access to slides and papers. For a sample space of what we did in 2.2 look at: https://lwn.net/Articles/738759/ and: https://lwn.net/Articles/738895/ cheers, jamal

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0x12: New Sponsor! Avi Networks
by Jamal Hadi Salim 20 Jun '18

20 Jun '18

We are pleased to announce Avi Networks as a bronze sponsor. Thank you Avi Networks for your support of the netdev conference! More information: https://www.netdevconf.org/0x12/news.html?bronze-sponsor-avi-networks cheers, jamal

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0x12: Schedule is Out!
by Jamal Hadi Salim 19 Jun '18

19 Jun '18

The schedule has been posted! We have a new format: Day 1 is a working day! Only workshops, tutorials and BoFs. Day 2 and 3 are keynote and talks. Unfortunately we were unable to keep day 1 to a single track. We hope people would appreciate the effort put into getting days 2 and 3 - which are talk days to a single track! https://www.netdevconf.org/0x12/schedule.html cheers, jamal

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0x12: BoF: Congestion Control for Cellular Wireless Networks
by Jamal Hadi Salim 19 Jun '18

19 Jun '18

The program committee has accepted a BoF session. Cellular networks exhibit significant variations in bottleneck link rates even over short time durations. AQM techniques like fq-codel with ECN feedback are insufficient. It is challenging to properly evaluate congestion control approaches over cellular network paths; it gets difficult when it involves in-network mechanisms, since it is not easy to deploy a test network running new network-layer mechanisms in such setups. Hari Balakrishnan et al will lead a BoF discussion to help formalize the constraints of the problem and formulate ways in which the community should evaluate congestion control protocols for cellular networks. This BOF will put forward an evaluation technique involving collection of real-world cellular network traces and then replaying them on Linux based infrastructure. The Mahimahi toolset facilitates such a setup utilizing Linux containers. This approach allows for experimenting and validating newly coded algorithms on Linux in an accurate environment. To kick things off in this BoF and frame future discussions, Hari et will illustrate how to use collected traces and evaluate the Accel-Brake Control (ABC) approach using the Mahimahi toolset. More info at: https://www.netdevconf.org/0x12/session.html?congestion-control-for-cellula… cheers, jamal

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0x12: Call for Bits, Nibbles, Bytes, and Words Participation
by Jamal Hadi Salim 18 Jun '18

18 Jun '18

This is an invitation to participate in the "Bits, Nibbles, Bytes and Words" event at Netdev 0x12 on the 12th of July, 2018[1]. If you are working on a project that is open source or on protocols that are open and tied to Linux Networking then you are eligible. We will provide either a table or a spot on a table for you at the event where you can demo or talk about your project to attendees and their companions as well as our sponsors. There will be electrical power and wifi available at the tables. This opportunity is offered free of charge to you but we have limited spots since we need time to prepare. Send your request to info(a)netdevconf.org Deadline for submission is June 29th. cheers, jamal [1]https://www.netdevconf.org/0x12/news.html?bits-nibbles-bytes-and-words

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0x12: New Event! Bits, Nibbles, Bytes and Words
by Jamal Hadi Salim 18 Jun '18

18 Jun '18

The Bits, Nibbles, Bytes and Words event will be held on day 2 of Netdev 0x12 conference at the outdoor terrace of the Hyatt Regency on July 12th at 6 pm[1] with a beautiful view of downtown Montreal. We will be serving cocktails, bits and bites and an opportunity to network between attendees, sponsors, and open source linux networking projects. Food bits will be nibbled on, bitten into, and words (only big words, the best words!) will be exchanged! This event is open to all attendees and anyone accompanying them to the conference (family members, etc - dont have to be registered). We just ask that if you are bringing someone just let the registration desk know when you pick your badge so we can plan better for food and drinks. We will have tables for sponsors for marketing and recruiting. We will also provide a table for any project that is open to make attendees aware of their work (we will send out a separate note requesting open source projects to request for space). cheers, jamal [1]https://montreal.regency.hyatt.com/multimedia/fr/regency/mtlrm/gateway.im…

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0x12: New Nuts-n-Bolts Talk! UDP segmentation offload
by Jamal Hadi Salim 15 Jun '18

15 Jun '18

UDP segmentation was recently introduced to the Linux kernel. In this talk, Boris Pismenny and Yossi Kupperman present their efforts towards supporting UDP segmentation offload with existing net devices. They will talk about limitations they encountered and how they overcame them. Based on these experiences, Boris and Yossi have some suggestion on how to improve the Linux networking stack to generalize their work and make driver development easier. More info at: https://www.netdevconf.org/0x12/session.html?udp-segmentation-offload cheers, jamal

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0x12: New Workshop! Achieving super low latency for critical real world Internet applications
by Jamal Hadi Salim 14 Jun '18

14 Jun '18

Field applications and IoT require low latency (we are talking Sub 10 msecs), high throughput and secure, and highly reliable communications. Think traffic intersection monitoring, remote surgery, industrial robotics, etc. How do we get there on Linux? Tom Herbert will chair a session which goes into these requirements. He will try to motivate the discussion with a live physical demo of traffic intersection using a slot car track. More info at: https://www.netdevconf.org/0x12/session.html?achieving-super-low-latency-fo… cheers, jamal

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test
by Jamal Hadi Salim 13 Jun '18

13 Jun '18

Please ignore this email cheers, jamal

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testing
by Jamal Hadi Salim 13 Jun '18

13 Jun '18

1 2 3 can you hear me? cheers, jamal

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0x12: Bronze sponsor! Secunet
by Jamal Hadi Salim 13 Jun '18

13 Jun '18

We are pleased to announce secunet as a bronze sponsor. Thank you secunet for your continued support of the netdev conference. More information: https://www.netdevconf.org/0x12/news.html?bronze-sponsor-secunet cheers, jamal

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0x12: Bronze sponsor! Secunet
by Jamal Hadi Salim 13 Jun '18

13 Jun '18

We are pleased to announce secunet as a bronze sponsor. Thank you secunet for your continued support of the netdev conference. More information: https://www.netdevconf.org/0x12/news.html?bronze-sponsor-secunet cheers, jamal

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0x12: Moonshot talk! Composing and configuring complex network interfaces on NICs that contain a switch
by Jamal Hadi Salim 12 Jun '18

12 Jun '18

New Moonshot talk accepted! With the emergence of switchdev as the canonical NIC-switch representation comes the view that we need to expose each switch port as a singular netdev. There is, however, an impedance mismatch between that model and a few important use cases. Take for example the need to scale performance of high speed ports; where a reasonable approach is to spread a single NIC-switch port's traffic across multiple PCIe devices. A single netdev representation doesnt cut it for that scenario. There are other use cases of which involve hierarchies of VMs/containers where more of these issues emerge - for these use cases there have been discussions to use 2 or 3 netdev layers; however, even there some challenges emerge. Anjali Singhai Jain and Sridhar Samudrala make the arguement that the switchdev port representor as is is not the best fit for these use cases. In this talk they are putting forth a proposal that they feel will cater to various use case needs while maintaining strong control over the resources proposed by the switchdev model. More info at: https://www.netdevconf.org/0x12/session.html?composing-and-configuring-comp… cheers, jamal

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0x12: Workshop! Open Linux Network Operating System for switch ASICs
by Jamal Hadi Salim 11 Jun '18

11 Jun '18

New workshop accepted. Roopa Prabhu will chair a discussion on Open NOS for ASICs. Various topics on Linux support for switch ASICs will be discussed: - New hardware support - Hardware Resource management updates - Scaling routing fib and bridge forwarding database - Building Network virtualization solutions: E-VPN - Network Configuration Management, Debugging and troubleshooting - Futures More info at: https://www.netdevconf.org/0x12/news.html?workshop-roopa-prabhu-open-linux-… cheers, jamal

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0x12:Keynote Speaker - Van Jacobson
by Jamal Hadi Salim 07 Jun '18

07 Jun '18

We are pleased to announce our Netdev 0x12 keynote speaker: Van Jacobson For most people involved in the networking world, Van will need very little introduction for his work, amongst many, in TCP/IP network performance and scaling of the internet. For the young lads amongst us who may be oblivious of his accomplishments, Van is what you folks typically refer to as a G.O.A.T(Greatest Of All Time) and some of us would refer as a living legend[1]. A few of his accomplishments are listed on his Internet Hall of Fame Induction bio: https://www.internethalloffame.org/inductees/van-jacobson This announcement space is too small for us to enumerate his many accomplishments and current passions - but we wanted to highlight one buzzword in particular: You would not have EBPF today if Van was not there[2]. At the moment Van is involved, at Google, in a passion of his - Network Performance Scaling. Having Van at this conference is both a privilege and an honor as he has seen a lot of ideas take wing from the early days of the internet to the specialized roles around Data Center, Web, IOT and more that we see today. We wish to learn from this sage. To paraphrase European Communication Magazine[3]: "When Van Jacobson has something to say, people listen." And Van has something he wants to say to us at Netdev conf 0x12: We need to teach Network Interface Cards about time. What kind of surgery do we need on the kernel NIC interfaces? What kind of features do NIC vendors need to provide? Come and listen to Van. cheers, jamal [1]https://www.merriam-webster.com/dictionary/living%20legend [2]http://www.tcpdump.org/papers/bpf-usenix93.pdf [3]https://www.eurocomms.com/features/analysis/8238-could-content-centric-ne…

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0x12: First Platinum sponsor! HAProxy Technologies
by Jamal Hadi Salim 06 Jun '18

06 Jun '18

We are pleased to announce our first Platinum sponsor, HAProxy Technologies! Thank you HAProxy Technologies - your kindness is what makes Netdev conf happen. We are grateful not just to your sponsorship but also for all the contributions made by your organization to keeping Linux Networking on the map! More information: https://www.netdevconf.org/0x12/news.html?platinum-sponsor-haproxy cheers, jamal

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0x12: Moonshot talk! Restructuring Endpoint Congestion Control
by Jamal Hadi Salim 05 Jun '18

05 Jun '18

New accepted talk. From the same folks at MIT who brought you the idea of Congestion Manager (Linux being able to plugin different congestion control algorithms) comes an exciting(my emphasis!) idea to bring even more modularity into Linux TCP. CM concepts that were harder to put into the kernel are now possible. Akshay Narayan et al discuss Congestion Control Plane (CCP). CCP is a new way of separating sender side TCP into control (sitting in user space) and datapath (sitting in the kernel). Control state from the kernel is used by algorithms in user space. User space algorithms use this information to control the kernel’s congestion window or pacing rate. The talk will describe the details of the design principles used, kernel refactoring made, libccp which exposes user API, and experimental results from the implementation. More info at: https://www.netdevconf.org/0x12/news.html?talk-akshay-narayan-et-al-restruc… cheers, jamal

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0x12: Nuts-n-Bolts Workshop! Netfilter
by Jamal Hadi Salim 04 Jun '18

04 Jun '18

Pablo Neira Ayuso will chair a mini netfilter working session with face to face discussions on different netfilter topics. More info: https://www.netdevconf.org/0x12/session.html?netfilter-mini-workshop cheers, jamal

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0x12: Nuts-n-bolts Talk! Identifier Locator Addressing under the hood
by Jamal Hadi Salim 01 Jun '18

01 Jun '18

New accepted talk. ILA has come a long way since the netdev 0.1 days. In this talk, Tom Herbert provides an overview of the ILA protocol, motivation and use cases. He will further provide an update of protocol standardization efforts and then explore ILA implementation internals of both kernel and user space. Finally Tom will run a demo of a simulated RAN-in-a-box. More info at: https://www.netdevconf.org/0x12/news.html?talk-tom-herbert-identifier-locat… cheers, jamal Again reminder: 1) Early bird (20% off) registration fees ends today 2) We do have bursaries for folks who need help getting to the conference.Closes on June 20th. Open to all members of the community.

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0x12: Nuts-n-bolts Talk! CogNETive - Smart Network Analytics with Skydive BPF monitoring
by Jamal Hadi Salim 31 May '18

31 May '18

New accepted talk. Liran Schour and Eran Raichstein discuss using the Skydive[1] eBPF filtering capabilities and networking information to create network analytics/insights with their tool CogNETive. They are going to show how CogNETive utilizes the collected information to provide operational insights for network troubleshooting (eg anamoly detection). In their talk they will demonstrate how operators can drill-down on connectivity issues all the way to a single Linux interface. CogNETive uses several common open source components (Grafana, ElasticSearch, Spark etc ...) to create a layer of network analytics on top of Skydive. More info at:https://www.netdevconf.org/0x12/session.html?cognetive-smart-network-ana… cheers, jamal Again reminder: 1) Early bird (20% off) registration fees ends after tomorrow. 2) We do have bursaries for folks who need help getting to the conference.Closes on June 20th. Open to all members of the community.

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0x12: Bronze Sponsor! ZEVENET
by Jamal Hadi Salim 30 May '18

30 May '18

ZEVENET is back as a sponsor! Thank you ZEVENET for your kindness and the Bronze. small correction on url More info: https://www.netdevconf.org/0x12/news.html?bronze-sponsor-zevenet cheers, jamal Again reminder: 1) June 1st(2 days from now) is the deadline for early bird (20% off) registration fees. 2) We do have bursaries for folks who need help getting to the conference.Closes on June 20th. Open to all members of the community.

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0x12: Bronze Sponsor! ZEVENET
by Jamal Hadi Salim 30 May '18

30 May '18

ZEVENET is back as a sponsor! Thank you ZEVENET for your kindness and the Bronze. https://www.netdevconf.org/0x12/news.html?bronze-sponsor-zevenet More info: https://www.netdevconBronze Sponsor! ZEVENETf.org/0x12/session.html?iov-workshop cheers, jamal Again reminder: 1) June 1st(2 days from now) is the deadline for early bird (20% off) registration fees. 2) We do have bursaries for folks who need help getting to the conference.Closes on June 20th. Open to all members of the community.

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0x12: Workshop! Network IO Virtualization
by Jamal Hadi Salim 29 May '18

29 May '18

New workshop accepted. Alexander Duyck will chair a working session with face to face discussions of the several ongoing efforts related to IO Virtualization as it pertains to networking. More info: https://www.netdevconf.org/0x12/session.html?iov-workshop cheers, jamal Again reminder: 1) June 1st is the deadline for early bird (20% off) registration fees. 2) We do have bursaries for folks who need help getting to the conference.Closes on June 20th. Open to all members of the community.

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0x12: Nuts-n-bolts Talk!How hard can it be? Adding Multipath TCP to the upstream kernel
by Jamal Hadi Salim 28 May '18

28 May '18

New Nuts-n-bolts Talk paper accepted. Christoph Paasch, Mat Martineau, Peter Krystad and Matthieu Baerts have been working very hard on kernel Multipath TCP(RFC 6824) support. There have been difficulties in the past in upstreaming this implementation due to its invasive architecture; however, the authors feel that they have better understanding since the last time they showed up at netdev conf 0.1: The current MPTCP implementation has moved from it researchy origins and is already used by millions of devices in production environments. The protocol standardization is also now complete. For these reasons the authors feel that experience has gained them a lot of insight and they are ready to move forward with upstreaming. In this talk, the authors will do a gentle introduction of Multipath TCP and mention some uses cases already in production. They will discuss the challenges faced - both resolved and ongoing. More importantly they will be looking for feedback on how to best revamp the current implementation for upstreaming purposes. More info: https://www.netdevconf.org/0x12/session.html?how-hard-can-it-be-adding-mult… cheers, jamal Again reminder: 1) June 1st is the deadline for early bird (20% off) registration fees. 2) We do have bursaries for folks who need help getting to the conference.Closes on June 20th. Open to all members of the community.

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0x12: Moonshot Talk! Implementing TC Connection-Tracking offload
by Jamal Hadi Salim 25 May '18

25 May '18

New moonshot paper accepted. Guy Shattah and Rony Efraim are back again. At netdev 2.2 they discussed and demonstrated a PoC to add connection tracking support. They have taken the feedback given to them in Seoul and and gained more insight. In this talk they will briefly discuss the existing offloading mechanisms already used by TC. The addition of connection tracking within TC, and in more detail ways to implement offloading of connection tracking. More info: https://www.netdevconf.org/0x12/session.html?implementing-tc-connection-tra… cheers, jamal Again reminder: 1) June 1st is the deadline for early bird (20% off) registration fees. 2) We do have bursaries for folks who need help getting to the conference.Closes on June 20th. Open to all members of the community.

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