This post is aimed at showing how remote console-based access to cloud-resources can be achieved without exposing port 22 to the world, and - in fact - without any kind of internet access provided to your virtual resources. This post is based on AWS technologies, which I'm most familiar with, but similar features are being... Continue Reading →
As you know, I had the great privilege to attend #NFD20 in San Jose at the beginning of February. On the back of some of the great vendor presentations there, we started some very interesting discussions around the big debate of our times. Network Engineering: to automate or not to automate? We already know in... Continue Reading →
Peter Sprygada needs no introductions. His presentation on the afternoon of day 2 at NFD18 was the highlight of day 2. He spent good two hours in RedHat offices in Sunnyvale (CA), flooding us with his usual enthusiasm talking about Ansible Network Engine and its exciting new features that are just round the corner. What... Continue Reading →
Last friday I was out with some friends for a catch-up, some laughter and a few beers. It'd been a while since we last met. At some point during the evening they started to make fun of me because of this blog. "You keep talking about open-source networking, and this and that. Why don't you... Continue Reading →
This post is in reply of Gianpaolo's post "White Boxes for Everyone?" appeared on his blog last November and recently shared by Ivan Pepelnjak. First, let me state that I don't disagree with him nor with Ivan, but I also believe the matter is worth some more in-depth analysis. His thesis is that the whole... Continue Reading →
Hi all, I'm not sure whether I mentioned this before or not. Anyhow...next week I'll have the pleasure to attend the famous "Networking Field Days" event, hosted by Cisco at the Cisco Live Europe in Barcelona. "Networking Field Day is an in-person, and live-streaming event that is held twice per year. We bring together the best... Continue Reading →
These days I'm dealing on a daily basis with Intent-based networking (we can debate as long as you want about what that means or doesn't, but that's not my point), SDN and Cloud. I know they all sound buzzword-y, but - hey ho - that's actually what I'm doing (LBaaS, NaaS, Openstack Neutron, BGP+EVPN, etc).... Continue Reading →
Hello all. I like when people call me "evangelist", although it sounds a bit too presumptuous and pretentious. "Evangelist" - from the ancient greek euangelizesthai - means "bringer of good news", and tonight I'm doing exactly that. We live in the era of network automation, where we're all told to automate everything from the morning... Continue Reading →
Hello all, as you know very well, one of the most difficult challenges of our jobs is how to keep up with the evolutions and progress of our industry. Very often we suffer from severe FOMO (https://en.wikipedia.org/wiki/Fear_of_missing_out) - at least I do, as the amount of new technologies and new stuff that make it to... Continue Reading →
After a few months of silence, I'm back guys! I came across something super interesting last week, which I have been hearing about for a while, but never had the chance to investigate. Everyone: assume you are sitting in the NOC, on a night-shift, and a failure occurs. I.e. packet loss from endpoint A to... Continue Reading →
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