Month: November 2020

KVM Virtualization 101

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This is a translation of my article in Russian which was written in September 2019.

Virtualization is so deep and broad subject, that it is not possible to cover all details of hypervisor (and not needed, actually). I will concentrate on “minimal valuable pack” of knowledge that is required to understand any KVM virtualized solution, not necessarily Telco.

Content

Overview and brief history of virtualization technology

The story of virtualization began in 1999 when young company VMWare has released product VMWare Workstation. This was a first commercial product that provided virtualization for desktop/client applications. Virtualization of the server part started a little bit later in the form of ESX Server product that evolved in ESXi (i stands for integrated). This product is being used widely in IT and Telco private clouds as hypervisor for server-side applications.

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Book review: Speed Reading: Learn to Read a 200+ Page Book in 1 Hour by Kim Knight

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Excellent book with a lot of practice drills to improve spead of reading. Most of the advices are easy and straightforward to understand, but it will require commiment and time investment to master speed reading skill.

I’m gonna practice following skills:

  • Setting a purpose before starting to read
  • Preview reading materials
  • Space reading
  • Remove subvocalization
  • Reduce fixation and regression
  • Practice peripheral vision
  • Look for key sentences and meanings in text
  • Do recall and review after every 30 minutes of reading
  • Eye exercises at the end of the day

Overall rating – 5 out of 5.

Certification: AWS Certified SysOps Administrator – Associate

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I got my second AWS certification – AWS Certified SysOps Administrator – Associate!

Score: 874 out of 1000

Total preparation time: 5 weeks, from 30 minutes to 1 hour per day.

Materials used:

Overall, exam questions are quite difficult and I don’t think it is possible to pass it without solid preparation.

Next target is AWS Certified Developer Associate.

Cloud Native as a disruptive innovation for Telco market

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Disclaimer

This article is a summary of my personal views and opinions. It does not pretend to be 100% correct as far I’m a human and have my own biases and tend to make mistakes.

Introduction

The pace of innovation is high and continue to increase. There are very limited amount of industries that were not impacted by Cloud Computing technologies stack. And Telco industry is not one of them. I was witnessing for last 5-7 years how several waves of innovation gone through telecommunications vendors and service providers changing not only products and solutions but organizational structures, processes and ways of working.

The most recent innovation that came to Telco market was Cloud Native technologies. The purpose of this article is to summarize how Cloud Native innovation is different from other multiple changes and improvements happened in industry and explain why it is “disruptive”.

What is “disruptive innovation”?

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