Blog Archives

Network automation with Ansible : Canarying / Rolling upgrades

In this post, I describe my experience at the NANOG 72 Hackathon and explain the project I worked on. If you want to see the work, my diffs can be found here. The Hackathon lasted 8 hours and it involved engineers

Posted in Infra-as-code, Thoughts & theories

Can P4 save Software-Defined Networking?

Now, P4 is gaining momentum due to engagement of big players such as Google and AT&T. P4 has potential to cause a significant change in the industry and deliver on the SDN value-proposition. I’d like to discuss that. In summary,

Posted in Innovation in Academia, SDN, Thoughts & theories

Is vendor lock-in really a big deal?

I’ve recently come across a Datanauts podcast regarding ““Choosing Your Next Infrastructure” ( if you like podcasts, I HIGHLY recommend Packet Pushers, I’m a fan because of their diverse and unbiased content). In this episode, various great considerations on choosing new infrastructure are

Posted in Thoughts & theories

Network Disaggregation – The holy grail?

Tl;DR: Yes The networking industry has seen more innovation in the last decade than in the last 30 years. The popularization of the SDN concept and the release of OpenFlow 1.0 pretty much ignited a flame present in every operator’s mind:

Posted in SDN, Thoughts & theories

Has OpenFlow failed? – Challenges and implementations

In truth, very few vendors have successfully implemented full capabilities of OpenFlow. OpenFlow provides way too much flexibility to programmers. It’s hard to make the hardware couple with that much power. A few vendors are able to deliver programmable ASICs

Posted in SDN, Thoughts & theories

Network Automation vs Software Defined Network – Ansible vs Openflow

At Verizon, we are moving towards automating network configuration and provisioning. To me the goals for this move can be summarized as: Maintenance cost reduction More agile deployment processes Coming from an OpenFlow SDN background, where changes to the network

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Posted in Perspectives, Thoughts & theories

What’s going on?

In January, I’ve started working for Verizon as a DevOps Engineer with focus in network engineering. I’ve been working with SDN for about 2 years and my last experience was at the Open Networking Lab, a research lab, pioneer in

Posted in Thoughts & theories
Network Heresy

Tales of the network reformation

How to Do Great Research

Grad school survival advice from Nick Feamster and Alex Gray


A blog about cloud, virtualization, sdn and centos