SDN is NOT the next big thing. SDCI is.

I have read many predictions recently that SDN (Software Defined Networking) is the next big thing in IT. Wrong. It is not. It is just a small piece in a bigger story. And just looking at SDN is not sufficient.

The next big thing is SDCI – Software Defined Computing Infrastructure. This is about “software-defining” everything. Hardware virtualization – “software defining hardware”, so to speak – is a reality. Software Defined Storage is becoming increasingly popular. SDN is another element. A number of vendors, such as VMware, talk about a Software Defined Cloud Datacenter. I don’t like that term, because the “Cloud” element might be nice from a marketing perspective, but tends to narrow things down to a specific form of Computing Infrastructure. So I will use SDCI for now.

When looking at SDCI versus SDN, claiming that SDN is the next big thing is like inventing a locomotive but no rail infrastructure. It is only about solving a portion of the problem, from a technical, network-centric view.

However, SDCI is far more than that. It is about managing how business services are operated on a flexible computing infrastructure, which must include all elements of this infrastructure. It is about defining the policies for the entire infrastructure. This is an interesting challenge, because it is not about network, storage or other technical policies anymore, but about translating the business policies. Regulatory compliance, security requirements, availability, performance, but also the willingness of business to pay for a certain level of service – all that flows into policies that define how infrastructure is used and how to balance various requirements.

SDCI also will revolutionize security, in particular network security. In dynamic environments, there is no place for traditional firewalls anymore, but there are fantastic new opportunities for securing information. Such infrastructures allow us to manage security consistently across “machines”, storage, and network, in the context of business policies and in the context of identities. Instead of having multiple disparate approaches to security – a little bit of firewall here, a little bit of endpoint security here, some IAM there, etc. – we are heading towards integrated security. This integrated security still can be layered, but it will be layered in an integrated manner, unlike “layered” security today, which means using multiple levels of disparate security where no one really knows how good the combined result really is – just because there is no integration, no consistent view, no consistent policies.

The security aspect is another reason why SDNs for themselves are not what we need. SDNs are about continuing segregation. They allow us to repeat mistakes on a higher level. SDCI allows us to do things better. That’s the reason why SDCI is the next big thing – and it will become a real big thing.


Discover KuppingerCole

KuppingerCole Select

Register now for KuppingerCole Select and get your free 30-day access to a great selection of KuppingerCole research materials and to live trainings.

Stay Connected

Blog

Spotlight

AI for the Future of your Business Learn more

AI for the Future of your Business

AI for the Future of your Business: Effective, Safe, Secure & Ethical Everything we admire, love, need to survive, and that brings us further in creating a better future with a human face is and will be a result of intelligence. Synthesizing and amplifying our human intelligence have therefore the potential of leading us into a new era of prosperity like we have not seen before, if we succeed keeping AI Safe, Secure and Ethical. Since the very beginning of industrialization, and even before, we have been striving at structuring our work in a way that it becomes accessible for [...]

Latest Insights

How can we help you

Send an inquiry

Call Us +49 211 2370770

Mo – Fr 8:00 – 17:00