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0x13: Platinum Sponsor, LinkedIn
by Jamal Hadi Salim 15 Mar '19

15 Mar '19

We welcome back LinkedIn as a platinum sponsor of the Netdev conference! LinkedIn, we thank you for your consistent support to the Linux Networking community. cheers, jamal

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0x13: Platinum Sponsor, Google
by Jamal Hadi Salim 14 Mar '19

14 Mar '19

We are pleased to announce Google as a Platinum sponsor! Thank you Google! More info: https://netdevconf.org/0x13/news.html?sponsor-platinum-google cheers, jamal

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0x13: Bronze sponsor, SUSE
by Jamal Hadi Salim 13 Mar '19

13 Mar '19

We are pleased to announce SUSE as a bronze sponsor. Thank you SUSE! More info: https://netdevconf.org/0x13/news.html?sponsor-bronze-suse cheers, jamal

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0x13: Industry Perspectives Panel
by Jamal Hadi Salim 12 Mar '19

12 Mar '19

This is our first (of hopefully many to come) Industry Perspectives Panels. The Industry Perspective Panel brings to us industry experts who will provide us an opportunity to learn from their trade craft. How do we, as the Linux Netdev community and ecosystem, play a role or not is at the core of the panel discussion. In the 0x13 session the focus is on network operations: We have a big data centre view, a world wide cloud platform deployment view and an edge cloud view. Featuring panelists: Shawn Zandi from LinkedIn, Marek Majkowski from Cloudflare, and Vikram Siwach from MobiledgeX. moderated by: Sowmini Varadhan and Roopa Prabhu. More info: https://netdevconf.org/0x13/news.html?panel-industry-perspectives cheers, jamal

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0x13: hotel extension
by Jamal Hadi Salim 11 Mar '19

11 Mar '19

Folks, We have run out of the original quota for rooms at the conference hotel. However, the hotel has been kind and extended at 10% rooms at the GRANDIUM HOTEL (where the conference is) and offers to one of their other properties, the GRANDIOR HOTEL the same deal. Pls. find two links: Netdev GRANDIOR HOTEL https://www.hotel-grandior.cz/en/bookings/?date_in=2019-03-17&date_out=2019… Netdev GRANDIUM HOTEL https://www.hotel-grandium.cz/en/bookings/?date_in=2019-03-17&date_out=2019… promocod NETDEV10OFF Valid till 14.03.2019 cheers, jamal

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0x13: Bronze sponsor, MobiledgeX
by Jamal Hadi Salim 09 Mar '19

09 Mar '19

We are pleased to announce MobiledgeX Inc. as a bronze sponsor. Thank you MobiledgeX! More info: https://www.netdevconf.org/0x13/news.html?sponsor-bronze-mobiledgex cheers, jamal

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0x13: Please register if you are planning to attend
by Jamal Hadi Salim 08 Mar '19

08 Mar '19

Folks, We have a small problem. We have more than anticipated registration. And registrations are still coming in. We have never closed our registration in the past ever and we are not intending to do it this time but: Since we are planning to feed you, please help us by registering as soon as you can and not wait until last minute. We need to coordinate with the hotel; at this point we are past the numbers we projected to the hotel. Summary: If you are planning to show up, please register as soon as you can. cheers, jamal

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0x13: Call for Bits, Nibbles, Bytes, and Words Participation
by Jamal Hadi Salim 07 Mar '19

07 Mar '19

Apologies if you are receiving multiple copies of this email. Just trying to make sure everyone sees this. This is an invitation to participate in the "Bits, Nibbles, Bytes and Words" event at Netdev 0x13 on March 21st between 6:30 and 9 pm. 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 at netdevconf.org Deadline for submission is 15th of March. cheers, jamal [1]https://netdevconf.org/0x13/news.html?bits-nibbles-bytes-and-words

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0x13: Reminder for Bits, Nibbles, Bytes and Words Event
by Jamal Hadi Salim 07 Mar '19

07 Mar '19

The Bits, Nibbles, Bytes and Words event will be held on day 2 of Netdev 0x13 conference at the Hotel Grandium[1] in the center of Prague, on March 21st between 6:30 and 9 pm. 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. don't 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). [1] https://www.hotel-grandium.cz/en/ cheers, jamal

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0x13: Bronze sponsor, Mellanox
by Jamal Hadi Salim 06 Mar '19

06 Mar '19

We are pleased to announce that our friends at Mellanox are sponsoring Netdev 0x13! Thank you Mellanox. More info: https://netdevconf.org/0x13/news.html?sponsor-bronze-mellanox cheers, jamal

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0x13: Looking for a few heroes
by Jamal Hadi Salim 04 Mar '19

04 Mar '19

As usual: we are looking for scribes. What are the tasks? A small write up on a session. Sample from 0x12: https://lwn.net/Articles/763627/ Please pick a session you want to cover and email back. As a side note: Day 1 which is a working day, we have 4 parallel sessions. Day 2 has two tracks for half the day which turns into one track in the afternoon and continues to day 3. All sessions are listed here: https://netdevconf.org/0x13/accepted-sessions.html Schedule is already posted here: https://netdevconf.org/0x13/schedule.html cheers, jamal

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0x13: Keynote Speaker - Alissa Cooper
by Jamal Hadi Salim 26 Feb '19

26 Feb '19

We are pleased to announce our Netdev 0x13 keynote speaker: Alissa Cooper Alissa Cooper is the Chair of the Internet Engineering Task Force (IETF). She has served on many roles at the IETF including on the Internet Architecture Board (IAB), as an area director of Applications and Real-Time (ART), and as chair of IANA Stewardship Coordination Group (ICG). Alissa is also a fellow at CISCO and a known advocate of privacy. Alissa is going to talk about the relationship between Open Source and the IETF. Once you have a decent open source implementation, should you really care about standardization? Are open source and open standards mutually exclusive or mutually supportive? Please come hear and engage in the discussion. More info: https://www.netdevconf.org/0x13/news.html?keynote-cooper cheers, jamal

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0x13: Bronze sponsor! Red Hat
by Jamal Hadi Salim 22 Feb '19

22 Feb '19

We are pleased to announce Bronze sponsorship from Red Hat! Welcome back Red Hat! More Info: https://netdevconf.org/0x13/news.html?sponsor-bronze-redhat cheers, jamal

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0x13: schedule is up
by Jamal Hadi Salim 19 Feb '19

19 Feb '19

Ok, folks, the schedule is now up... https://netdevconf.org/0x13/schedule.html As a reminder the early bird registration ends tomorrow February 20 23:59 EST https://www.netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Introducing Industry Perspective Panel
by Jamal Hadi Salim 19 Feb '19

19 Feb '19

The Industry Perspective Panel is a new session which will bring in networking industry craftsmen to discuss different topics. The primary goal is to have developers (and ops types) appreciate how Linux (networking) is used in the industry. We are not going to restrict the perspectives to be Linux only i.e a panelist does not necessarily have to use Linux in their operations, but needs to answer as to why not. The secondary goal of this session is to learn how we can do better in Linux. Both users and non-users of Linux can teach us something. The format is: - The panelist gives a presentation of their craft - questions by panelist moderator(s) - open mike to the conference At 0x13, the theme is network operations. we are looking to bring in operators of medium to large size networks of different flavors. We will be announcing them. Stay tuned. cheers, jamal

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0x13: Moonshot, The Need for Preemptive Scheduling in Microsecond-scale Systems
by Jamal Hadi Salim 17 Feb '19

17 Feb '19

That strive for microsecond-scale latencies for application level communication continues. Most purveyors of microsec solutions move datapath processing to user space so as to avoid pre-emption and have better control of latencies. Kostis Kaffes and Christos Kozyrakis argue that preemptive scheduling is infact _a good thing_. In this talk, they will describe their approach: Shinjuku Kostis and Christos will also raise the question and discuss whether these user space approaches are incrementally building full-featured operating system kernels. More info: https://netdevconf.org/0x13/session.html?talk-microsec Gentle reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Moonshot, Potential IPv4 Unicast Expansions
by Jamal Hadi Salim 17 Feb '19

17 Feb '19

There is a dollar cost to IPv4 addresses: 15 to 20 a piece and that price is going up! And, no IPv6 is still not taking over the world yet. So John Gilmore, Dave Taht and Paul Wouters want to squeeze more out of that IPv4 address space. They believe there are a few hundreds of millions of addresses that can be libertated for this good cause. They have started the march to freedom for those addresses. They have some patches already accepted into the kernel and some pending for distros, vendors, routing daemons, userland tools, etc. More info: https://www.netdevconf.org/0x13/session.html?talk-ipv4-unicast-expansions Gentle reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Moonshot, Implementing the Next Generation of Network Telemetry Technologies
by Jamal Hadi Salim 17 Feb '19

17 Feb '19

Telemetry is now an important part of networking. Standards and proposals for producing and consuming metadata are emerging. In this talk, Andy Gospodarek will introduce two such standards: INT and IFA. He will describe the hardware requirements and implementation challenges. He will propose approaches for configuring INT/IFA for the kernel and supported hardware which attempts to minimize risk associated with deploying early specs. More info: https://www.netdevconf.org/0x13/session.html?talk-nextgen-telemetry Gentle reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Moonshot, Accelerating QUIC via Hardware Offloads Through a Socket Interface
by Jamal Hadi Salim 14 Feb '19

14 Feb '19

QUIC is gaining a lot of momentum. Given QUIC implementations are in user space it is challenging to benefit from kernel-based offloads (which protocols like TCP get for free). Joshua Hay et al propose an interface to support hardware offloads used by QUIC such as cryptography and transmit segmentation. In this talk they will describe their implementation and propose APIs similar to KTLS. They will also present performance measurements and results using the chromium QUIC implementation. They hope to receive feedback and proceed to the next steps. More info: https://netdevconf.org/0x13/news.html?talk-quic-offload A gentle reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Tutorial, De-mystifying the networking relationship with Kubernetes
by Jamal Hadi Salim 14 Feb '19

14 Feb '19

For those of you container-curious, this is an opportunity to learn about how Linux networking and containers work together in Kubernetes. Mike Cambria will give a tutorial on networking Linux Containers using the Container Network Interface (CNI) and Kubernetes (k8s). The tutorial will go from basics distinguishing the model of VM vs container networking to providing an overview of k8s and CNI; along the way Mike will bring up challenges vis-a-vis linux and the effect some of the design decisions made by k8s along with some of the solutions being proposed to address some of these challenges. More info: https://netdevconf.org/0x13/session.html?tutorial-kubernetes A gentle reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: TCP SO_TIMESTAMPING with OPT_STATS for performance analytics
by Jamal Hadi Salim 13 Feb '19

13 Feb '19

Nuts and bolts Talk. Debugging TCP session is tricky. While looking at aggregate TCP stats may help in some cases it falls short for use cases which require discovering and fixing latency issues in highly distributed applications. To cover such a use case, one would need to collect the kernel stack's point of view for the sessions lifetime. Merely using TCP_INFO doesnt cut it for use cases when we need to see more fine grained details for each message such as is the case for structured RPC request and response interactions. In this talk, Soheil Hassas Yeganeh and Yuchung Cheng will show how to address these issues using timestamps to track individual messages in the kernel. As a crucial extension, they will show how we to accurately capture the state of TCP using OPT_STATS for individual messages. Further, they enumerate challenges, shortcomings and gotchas of kernel timestamps when deployed at scale. More info: https://netdevconf.org/0x13/session.html?talk-tcp-timestamping A reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Nuts and bolts Talk, Veth XDP: XDP for containers
by Jamal Hadi Salim 13 Feb '19

13 Feb '19

Toshiaki Makita and William Tu will describe their effort on improving container network acceleration. The talk will go into details of both veth XDP as well as AF_XDP. More info: https://www.netdevconf.org/0x13/session.html?talk-veth-xdp A reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Moonshot, HW acceleration of XDP real world use cases
by Jamal Hadi Salim 13 Feb '19

13 Feb '19

XDP has seen great use in addressing challenges such as DDOS attack detection and prevention, stateful load balancing and more. In this talk Rony Efraim and Tal Gilboa present a solution architecture and API approach that show cases hardware-software interaction for accelerated HW XDP. Their work is based on Mellanox hardware. They hope to elicit a discussion to further look at future capabilities based on programmable adapters. More info: https://netdevconf.org/0x13/session.html?talk-hw-accel-xdp-use-cases A reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: nutsnbolts, Demystifying The TC Ugly (or Universal) 32bit Key Packet Classifier
by Jamal Hadi Salim 12 Feb '19

12 Feb '19

The ugly^WBeatiful 32 bit classifier is the mother of all classifiers in the linux kernel. It is the only native classifier that can be taught by a user policy "how to" classify based on user traffic heuristics. U32 is a low level classifier operating on packet-offset-length-value. Sometimes this could be confusing for the faint-hearted. In this talk, Jamal et al are going to dig into u32 and show basic principles, expose flexibility for customization. They will then illustrate customization use cases for a small(hundreds of rules) and a medium sized (10s of thousands of rules) LAN access control and provide performance numbers. More info: https://www.netdevconf.org/0x13/news.html?talk-tc-u-classifier A reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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0x13: Moonshot talk, Shenango: Achieving High CPU Efficiency for Latency-sensitive, Datacenter Workloads
by Jamal Hadi Salim 12 Feb '19

12 Feb '19

Datacenter applications demand microsecond-scale tail latencies and high request rates from operating systems. Achieving these goals in a CPU-efficient way is an open problem. Because of the high overheads of today’s kernel, the best available solution to achieve microsecond-scale latencies is kernel-bypass networking, which dedicates CPU cores to applications for spin-polling the network card. But this approach wastes CPU: even at modest average loads, one must dedicate enough cores for the peak expected load. In this talk Amy Ousterhout will describe the approach taken by Shenango which achieves much better CPU efficiency while maintaining the high request rates. More info: https://netdevconf.org/0x13/session.html?talk-shenango A reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html cheers, jamal

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