Briefing: Project Calico – BGP-driven SDN Without Overlays

The following is a “paper review” of Project Calico following a recent briefing. I’ve conducted a short review of the technology and business issues around the product and conclude that its unlikely to be competitive with Docker libnetwork that was announced a few weeks back or existing SDN Solutions in the market today.

Latest Posts


Musing: Virtual Appliances and Shorter Lifecycles

I’ve been writing and talking about the need for IT teams to reduce the lifecycle of infrastructure to 3 years. For this to happen, the following items: pay less for products so that money can be spent on projects to replace and upgrade pay less so that ROI can be achieved 3 years design so […]


Bi-Modal IT Bemusement – I Call It Project-Driven IT

I’ve been much amused byBi-Modal IT that Gartner coughed up a few months back. Bimodal IT refers to having two modes of IT, each designed to develop and deliver information- and technology-intensive services in its own way. Mode 1 is traditional, emphasizing scalability, efficiency, safety and accuracy. Mode 2 is nonsequential, emphasizing agility and speed. […]


Concerns about SD-WAN Standards and Interoperability

Ivan raises good points about SD-WAN and interoperability on his blog today. But I think the benefits of SD-WAN are too good to wait for ten years for standards to catch up. Oh, and its up to you to demand standards from the vendors.


Musing: Increasing Dependence on DNS in SDN World

Containers, IPv6 and “SDN DNS” is why DNS is critical to your network architecture and day-to-day operations. At the same time, “DNS operations” doesn’t seem to be getting the attention considering how critical it is to network, servers and DevOps alike. I wonder if I am missing something.

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Blessay (Deep Content)


Blessay: My New Criteria for Network Design and Architecture

Today you design resilient, redundant networks with what you have. Tomorrow, we need networks that use using software and freedom to be predictable and safe. For the last 20 years, network design has been focussed on working around limitations of the protocols anddevices that are available. … [Read More...]

Microsoft might be dominant in the Enterprise but it is minor player when you consider tablets & smartphones. With the consumer market generating more profit and revenue than corporate, Microsoft is not the biggest player.

Blessay: Enterprise IT Comes Last In Technology Innovation

There was a time when Enterprise IT defined the future of computing. Laptops were designed for corporate consumption first and the best software was sold to enterprise for business use. The other markets for computers was "home users" who were offered cheap, low quality and low performance versions … [Read More...]

More Blessays ( And Well Worth Reading )