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0x13: nutsnbolts talk, The Core Cost of Doing Business
by Jamal Hadi Salim 07 Feb '19

07 Feb '19

So you want to run a Linux network service and not clear how much resources you need? Don Wallwork and Andy Gospodarek will be presenting a formula for estimating the minimum number of server cores - running Linux network kernel - for a particular network service at a given rate and frame size. They will cover IPv4 and IPv6 as well and VxLAN encapsulated or tunneled traffic with the goal of understanding how the utilization of these cores impacts planning and deployment of new systems. More info: https://netdevconf.org/0x13/session.html?talk-core-cost cheers, jamal

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0x13: moonshot talk, AF_GRAFT: A new address family for containerized applications
by Jamal Hadi Salim 06 Feb '19

06 Feb '19

Ryo Nakamura believes we can take container networking to a new level. Why do we still need to use old-school virtual ports (think veth) for inter-container networking? In this talk, Ryo will introduce a new socket family, AF_GRAFT, for containers. Instead of the link between the host and container network stacks, AF_GRAFT provides a socket-layer interconnection between them. https://netdevconf.org/0x13/session.html?talk-AF_GRAFT cheers, jamal

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0x13: Nut-n-bolts workshop, Hardware Offload
by Jamal Hadi Salim 05 Feb '19

05 Feb '19

Roopa Prabhu and Or Gerlitz will co-chair the Hardware Offload workshop. The primary goal of this workshop is to discuss recent updates and futures to network hardware offload API’s and infrastructure in the Linux kernel. More info: https://www.netdevconf.org/0x13/session.html?workshop-hardware-offload cheers, jamal

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0x13: Nut-n-bolts Tutorial, XDP
by Jamal Hadi Salim 04 Feb '19

04 Feb '19

If you dont know much about XDP then your day of salvation has arrived! Two(not just one) networking Vikings[1] will be giving a hands-on tutorial on XDP. Masters Jesper Brouer and Toke Høiland-Jørgensen will not be training their students on Viking weaponry. That is a different conference. At netdev 0x13 they will be teaching you on the intricacies of XDP. The end goal of the tutorial is to walk away with enough knowledge to write your own XDP code covering your use case. The instructors will send details later on what you need to setup on what to setup on your laptop. The tutorial will cover the tooling, coding basics all the way to writing meaningful XDP applications and running them. Come and enjoy this session in person! More info: https://netdevconf.org/0x13/session.html?tutorial-XDP-hands-on cheers, jamal

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0x13: Workshop, Traffic Control
by Jamal Hadi Salim 04 Feb '19

04 Feb '19

The PC has accepted a new workshop. Jamal Hadi Salim will chair the TC workshop. More info: https://www.netdevconf.org/0x13/session.html?workshop-Traffic-Control cheers, jamal

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0x13: FRR workshop
by Jamal Hadi Salim 02 Feb '19

02 Feb '19

Donald Sharp and David Lamparter will co-chair the FRRouting workshop. Discussions on current outstanding issues and upcoming features such as how to take advantage of the current next hop disaggregation in the kernel are part of the agenda. More info: https://www.netdevconf.org/0x13/session.html?workshop-FRRouting

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0x13: Tutorial, QUIC
by Jamal Hadi Salim 02 Feb '19

02 Feb '19

Our illustrious PC has accepted the first tutorial. Quick UDP Internet Connections, pronounced 'quick' is a new important transport which is growing at a phenomenal rate. Studies have shown by November 2017, QUIC already represented 20% of the total mobile traffic[1] and grew over 200% in two years. There are other advantages for QUIC; refer to 0x12 talk[2]. QUIC is implemented on top of UDP making it much easier to deploy improvements and fixes when compared to TCP which is in the kernel (and therefore requires kernel patch submissions and process overhead). Ok, so what do you know about QUIC? How do you debug QUIC on the wire? What is out there if you wanted to write an application on top? The two foremost QUIC gurus Jana Iyengar and Ian Swett will be giving a tutorial on the subject. This is what some would call hearing it from the horses' mouth(s?). Come, listen, participate and learn. More info: https://netdevconf.org/0x13/session.html?tutorial-QUIC [1]https://owmobility.com/blog/meteoric-rise-google-quic-worrying-mobile-ope… [2]https://www.netdevconf.org/0x12/session.html?quic-developing-and-deployin… cheers, jamal

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0x13: Hotel booking link
by Jamal Hadi Salim 01 Feb '19

01 Feb '19

Hi, Here's the promised link: https://www.hotel-grandium.cz/en/bookings/?promo_code=NETDEV15OFF&date_in=2… The promo code is open from 16-24th of March in case you want to show up a few days early and leave a few days later. cheers, jamal

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Re: [NetDev-People] 0x13: Netlink Workshop
by Roopa Prabhu 01 Feb '19

01 Feb '19

> On Thu, Jan 31, 2019 at 11:40:14AM -0500, Jamal Hadi Salim via people wrote: > > > > Netlink is a fundamental kernel/user messaging interface > > which has evolved over the years. > > David Ahern and Roopa Prabhu will co-chair the > > Netlink Workshop. > > Nice! > > > > > Among topics of discussion: > > > > - status of changes over the last few years > > - kernel side filtering > > + classical, socket cbpf, ebpf extensions > > - reducing notifications > > - strict get requests > > - Growth of attributes and impacts to stack memory use > > - Lessons learnt and ideas to use the learnings > > - Performance improvements > > - Networking APIs that need to be converted to netlink(ethtool etc) > > > > More info: > > > > https://netdevconf.org/0x13/session.html?workshop-netlink > > In the link, it has: > "Lack of Documentation" > I assume it is about the APIs built on top of it, right? As in, not on > netlink itself. Marcelo, you are right. Its about covering the ever growing netlink API documentation.

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0x13: Hotel Promo code
by Jamal Hadi Salim 31 Jan '19

31 Jan '19

We have a 15% discount promotion code for the hotel. When you book please enter code NETDEV15OFF We will be posting a url tomorrow which will be more user friendly (you click and it takes you directly to the discounted price). cheers, jamal

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