Category Networking

On Business Agility

Last week I was part of an excellent team that conducted the panel discussion at TMForum Live! 2014 in Nice, on a topic of Enterprise Architecture helping to improve business agility. I shall try to provide a quick summary of presented and discussed topics.   Definition There are a lot of definitions of the subject; […]

Unit Test your IT

There is a term “Unit Test” in software development. That’s a special piece of test code, which checks that a particular part of the main code works as expected. A complex set of unit tests verifies behavior in Security, Data, Authorization, and many other domains. Would we use such approach when it comes to IT? How do […]

Wanted: Service Development mindset

I wonder if you have seen it before: in the middle of Service Development project the team starts to suspect that the solution is wrong, user experience is bad, required functionality needs a lot of custom tuning, etc, etc. It all looks very different from what was imagined when the project was launched. We are […]

Bring-your-own thoughts

Without going into many details, a short look at most visible aspects of using Your-Own device at work. At first, let’s agree on definition. “A policy of permitting employees to bring personally owned mobile devices (laptops, tablets, and smart phones) to their workplace, and use those devices to access privileged company information and applications” (Forrester). […]

Outsourcing as a way to lose visibility

More and more often we see various parts of IT landscape being outsourced: Datacenters and WAN’s, Servers and Firewalls,- you name it. When doing so, IT managers would typically rely on provider’s monitoring tools of as a mean to detect service interruptions. What is almost always lost in such cases – is the ability to […]

IPv6 NAT64 power and limitations

When discussing IPv6 matters, you can often hear “… and there we put some sort of NAT translation to connect IPv4 to IPv6”. Many heard that NAT64 is a way to go, but we need to remember that in its nature NAT64 is not symmetric. It does matter which domain initiates the connection: v4 or […]

Wireless shades of grey

We often think of wireless signal as black-and-white pattern: here we have “the coverage”,- and there we don’t have it and wireless media is free. However, there are shades of grey between truly black and truly white spots. It helps to know them when we design or troubleshoot wireless networks. Position 1 We have “the […]