Zero Touch Provisioning with IOS-XR

ZTP short for Zero Touch Provisioning is one of the instrumental parts of an end-to-end network automation ecosystem, which counts for a fast, reliable, and error-free provisioning of new as well as existing network devices. Network Operators, be it a Service Provider, an Enterprise and others spent a great amount of time throughout the last … Continue reading Zero Touch Provisioning with IOS-XR

First conference for 2020

January and no snow!! rare to see, at least back from where I come from. Anyway, Cisco Live (#CLEUR) event starts next week, and as usually I will participate as a Speaker with another Segment Routing LAB session, this time focused more on Traffic-Engineering with SR. Together with my colleague Sunpreet, we will deliver a … Continue reading First conference for 2020

DENOG Conference

Just headed back from Hamburg where DENOG (German Operators Group) Conference was held, and I was invited to speak about Segment Routing technology. Considering that I like SR and the experience I possess in Design and Implementation of SR with different Service Providers, I thought it is a good idea to join DENOG conference as … Continue reading DENOG Conference

Access MongoDB database with Python

Databases are not my subject matter expertise, nor do I have any real experience with any of the SQL or non-SQL based database platforms. As I am putting more effort during my non-business hours into coding (Python), it is naturally beneficial to get some hands-on databases, the structure, and the way of storing and requesting … Continue reading Access MongoDB database with Python

Per-vrf Traffic Engineering with Segment Routing

MPLS Traffic engineering is a set of tools that can improve performance in MPLS based networks. Let's have a look at some terminologies when deploying MPLS Traffic Engineering: Head-End (Ingress PE)Tail-End (Egress PE) Looking at the diagram below, we can safely assume that PE1, PE2, and PE3 might play the role of Ingress and Egress … Continue reading Per-vrf Traffic Engineering with Segment Routing

Attending Cisco Live 2018 in Orlando?

Happy to announce that this year I'll be delivering couple of LAB sessions at Cisco Live conference in Orlando, this time together with my colleagues Sunpreet Arora and Nikola Jovanovic we will be delivering the following sessions: Segment Routing LAB (LTRMPL-2202) - This is a 4 hours Instructor Led Lab. Segment Routing On-demand next-hop with … Continue reading Attending Cisco Live 2018 in Orlando?

Traffic Engineering with Segment Routing

I was given the opportunity to talk at PLNOG conference, beginning of March 2017. Considering the time constraints, I believe I was able to cover the SR-TE topic at least from high level point of view with some details underneath. How a PCE based Controller pushes instructions down to a network device (PCEP), and how a network device … Continue reading Traffic Engineering with Segment Routing

PBB EVPN – A new flexible L2VPN Service

Provider Backbone Bridging Ethernet VPN  (PBB-EVPN) is a new way of providing Layer 2 Services to enterprises, B2B customers, etc. I'm not going to drill down much on the theory part, as there's plenty of articles and blog posts out there. Instead, we are going to see more the implementation side of PBB-EVPN technology. Let's see … Continue reading PBB EVPN – A new flexible L2VPN Service

The fundamentals of Segment Routing

Do we have to buy a new network equipment? Do we need to pay more on HW resources? How do I migrate my current network to Segment Routing based network? Can we use the current running L2/L3 services with the SR based network? What is the benefit of Segment Routing? These are some of the … Continue reading The fundamentals of Segment Routing

CCIE, to be or not to be.

As a CCIE myself and working for a leading Vendor in the IT Industry, I have been into situations where the value of a CCIE has been questioned by various reasons, personal or non-personal. And that is quiet obvious considering the latest innovations in the Industry, the so called 'SDN era'. There are many reasons why … Continue reading CCIE, to be or not to be.