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
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
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
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
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
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
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
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