Spreading knowledge & understanding
For over 20 years, network designers and administrators have been assembling networks that, more or less, look like the diagram below. You have workgroup or top of rack (ToR)/end of rack (EoR) switches at the “Access Tier,” aggregation or core switches in the “Distribution Tier,” and then core switches that connect it all together. If … Read more
The data centre is heading into an era of “fabrics.” When most IT professionals hear about “fabrics” they either think of proprietary technologies, like QFabric, or perhaps of Fibre channel which is a storage technology. Cisco, Juniper, and Brocade have really taken to the term “fabric.” While there are certainly some new developments here – … Read more
The city of London has a lot of empty rooftops, especially in the downtown core. Lots of flat rooftops that just sit there, all day, all night, absorbing heat/cold and getting brown. See the picture to the right from my friend Dawn Lyons as an example – it was taken from One London Place this … Read more
Virtual local area networks (VLANs) were invented over 20 years ago, and so far VLANs have given IT a significant capability in segmenting networks and traffic, letting networks run faster and more efficiently. However, the advent of cloud computing, both public and private, along with cloud bursting, has broken the traditional network and made network … Read more
Inspired by a London Free Press moderated roundtable that included several people I have a huge amount of respect for, like Jodi Simpson, Kevin Van Lierop and Chantelle Diachina, I want to spent some time talking about some of the tech-related companies and individuals in London that are doing good things in and for the … Read more