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An open disaggregated programmable infrastructure vision
Article

An open disaggregated programmable infrastructure vision

Taking the new technical possibilities that appeared in the last years, I developed more and more my personal vision on the perfect open disaggregated programmable Telco CO/SP and Data Center infrastructure architecture. This post is a first in a series describing this personal vision.

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 16 Dec 2021 • 17 min read
P4 SmartNIC stories: Intel
Article

P4 SmartNIC stories: Intel

This year there where a lot of interesting SmartNIC announcements, not only from the usual NIC vendors but also from some new kids on the block. What is happening in the previously sleepy NIC space? In this blog I will start with analyzing Intel.

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 28 Oct 2020 • 6 min read
An Open P4 based virtual network switch
Article

An Open P4 based virtual network switch

In this article I will explain why I think there is room for a P4vSwitch 'library' implementation. Some in-depth information about XDP and AF_XDP is given. It then shows my preferred P4vSwitch architecture and will give a peek into my next blog about my POC implementation of a P4vSwitch.

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 28 May 2020 • 9 min read
Updated website!
Latest-news

Updated website!

It had to happen: we updated our website and in the process we also implemented the newest Ghost blogging engine...

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 14 Jan 2020 • 1 min read
BGP – an SDN federation interface?
Article

BGP – an SDN federation interface?

Within the IETF NVO3 workgroup, they are discussing to use an existing protocol (MP-BGP)  for the federation of NVA (Network Virtualization Authorities or controllers, so essentially communication between overlay controller

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 10 Jul 2016 • 2 min read
Google gives insight in its DC Network
Article

Google gives insight in its DC Network

Google presented some material at ACM Sigcomm that gives us some insight into the setup of its data center networking technologies.

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 20 Aug 2015 • 2 min read
Segment routing, MPLS and the adoption of SDN.
External

Segment routing, MPLS and the adoption of SDN.

Segment routing could change the way MPLS networks function and facilitate the adoption of SDN. Find out how it works and why you should know more about it.

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 9 Jun 2015 • 3 min read
Network Virtualization: Overlay and Underlay Design
External

Network Virtualization: Overlay and Underlay Design

Lately, there has been a plethora of blogs and discussions around the viability of network virtualization and overlay networks. This blog post is an attempt to bring some clarity in this debate.

  • Sander Tolsma
    Sander Tolsma
Sander Tolsma 16 Jul 2013 • 13 min read

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