Posts Tagged ‘SDN’

At last week’s Ignite conference Microsoft announce a set of new networking capabilities for its Azure cloud described as being ‘for a consistent, connected and hybrid cloud’. The new capabilities include improvements to ExpressRoute, Azure’s Internet bypass offering, availability of ExpressRoute for SaaS offerings such as Office 365 and Skype for Business, additional VPN capabilities […]

Weave is an overlay networking system for Docker containers. Whilst Docker can already link containers on a single host, Weave provides connectivity for containers that are spread across multiple hosts. It has been released under the Apache 2 open source license by Zettio, a new company targeting ‘apps for the zettabyte era’ founded by RabbitMQ […]

One of the big news items from last week’s VMworld was the launch of EVO:RAIL, a ‘hyperconverged infrastructure’ reference design with software from VMware and hardware from a variety of partners. The RAIL part of the name comes from the smallest unit of deployment that fits into 2U of standard rack space, and onto a […]

Facebook have announced their own switch design, codenamed ‘Wedge’, saying that it’s already being tested in their production network. In many ways the switch is unremarkable; it uses the same Broadcom Trident II merchant silicon ASIC that most other high end ‘white box’ top of rack (TOR) switches use, and it uses Linux on a […]

This is a cross post from the CohesiveFT corp blog. A friend and former colleague recently asked me, “on the SDN front – anything you’d recommend reading in terms of positioning, and compare/contrast of quantum vs. openflow vs. onePK vs…….?”. This was my reply: OK… based on my limited understanding (I don’t consider myself anything […]

My New Job


I’ve started a new job as CTO for CohesiveFT. It’s a great company with a great team and some great products and services. As I’ve known many of the people since before the company was founded this post could be subtitled ‘a brief history of CohesiveFT’. The people and pre-history Alexis Richardson was the instigator. […]

With apologies to Philip K. Dick. This post is going to address three topics: The relationship between a virtual machine (VM) and its network connection(s). The changing perimeter The role of APIs in controlling network configuration The common theme is dreams, or perhaps de/re(ams) – as the last two topics touch on whether something is de- or […]