Monthly Archives: June 2020

kernel of truth podcast

Cumulus Linux in action at Cloudscale



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If you’ve listened to the podcast before you may have heard us reference our customers from time to time. In this episode we’re switching things up and instead of referencing a customer, you’re going to hear directly from one! Manuel Schweizer, CEO of Cloudscale, joins host Roopa Prabhu, Attilla de Groot and Mark Horsfield to chat about Cloudscale’s first hand experience with open networking and what they hope the near and distant future of open networking will look like.

Guest Bios

Roopa Prabhu: Roopa Prabhu is a Linux Architect at Cumulus Networks, now NVIDIA. At Cumulus she and her team work on all things kernel networking and Linux system infrastructure areas. Her primary focus areas in the Linux kernel are Linux bridge, Netlink, VxLAN, Lightweight tunnels. She is currently focused on building Linux kernel dataplane for E-VPN. She loves working with the Linux kernel networking and debian communities. Her past experience includes Linux clusters, ethernet drivers and Linux KVM virtualization platforms. She has a BS and MS in Computer Science. You can find her on Twitter at @__roopa.

Attilla de Groot: Attilla has spent the last 15 years at the cutting edge of networking, having spent time with KPN, Amsterdam Internet Exchange, and HP, with exposure to technology from Cisco, HP, Juniper, and Huawei. He now works for NVIDIA networking, formally Cumulus Networks, the creators of open networking, where he is able to continue his interest in open architecture design and automation. You can find him on Twitter at @packet_ninja.

Manuel Schweizer: For more than 10 years, Manuel has been working as a Network Engineer at various companies. Seeing demand for a self-service IaaS platform based on open-source technology that is entirely based in Switzerland, he basically founded cloudscale.ch “by accident”. He can be found on Twitter at @geitguet. 

Mark Horsfield: Mark is a member of the technical support team at Cumulus Networks, now NVIDIA. Behind the scenes our support team is body slamming packets so you don’t have to.

Episode links

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To learn more about our acquisition by NVIDIA, view our resource hub here.


Open networking post Nvidia-Mellanox-Cumulus acquisition



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With the recent acquisition of Cumulus Networks by Nvidia, what does that mean for open networking? Kernel of Truth host Roopa Prabhu is joined by Partho Mishra and Amit Katz to discuss what does the acquisition mean for the future of accelerated data center and for open networking in the data center. This is a must listen episode! 

Guest Bios

Roopa Prabhu: Roopa Prabhu is Chief Linux Architect at Cumulus Networks. At Cumulus she and her team work on all things kernel networking and Linux system infrastructure areas. Her primary focus areas in the Linux kernel are Linux bridge, Netlink, VxLAN, Lightweight tunnels. She is currently focused on building Linux kernel dataplane for E-VPN. She loves working at Cumulus and with the Linux kernel networking and debian communities. Her past experience includes Linux clusters, ethernet drivers and Linux KVM virtualization platforms. She has a BS and MS in Computer Science. You can find her on Twitter at @__roopa.

Amit Katz: Amit is Vice President Ethernet Switch at Mellanox, Nvidia Business Unit. Amit served as Senior Director of Worldwide Ethernet Switch Sales since 2014, and previously served in various Product Management roles at Mellanox since 2011. Prior to that, Mr. Katz held various Product Management positions at Voltaire and at RAD Data Communications. Mr. Katz graduated from the Academic College of Tel Aviv-Yaffo with a BA of Computer Science and MBA from Bar Ilan University. You can read more of his blogs here

Partho Mishra: Partho is our President & Chief Product Officer at Cumulus Networks. Prior to joining Cumulus, Partho had 25 years of experience in product definition, engineering development and technology evangelization in data science/analytics, wireless and networking. Most recently he was running the RASA Network Analytics team at Aruba where he lead as CEO and then VP after RASA was acquired by Aruba in 2016. At RASA analytics, Partho’s team was in charge of developing a product that used ML/AI techniques to analyze data collected from network infrastructure to help Aruba customers with optimizing their wireless network and improving user experience. You can watch his recent session on “Common Campus Designs” at OCP Summit here

Episode links

Join our community Slack channel here. We’re also on LinkedInTwitterFacebook and Instagram!

To read the announcement, head to the NVIDIA blog here.