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Tracing the IT Evolution from the Big Bang to the Big Crunch

How enterprises are progressing from overgrown, difficult-to-manage IT systems to high performance open source infrastructure

Over the history of computing, we can trace a pattern of continuous decomposition, from a single system into disparate components. Early on, these individual parts made it easier to design, program and maintain systems, and meet the fast-growing demand for more power and more capacity.

The industry began with the mainframe, where the entire stack from hardware to application logic was contained in a single box. The next phase was the move from mainframe to client-server. This was followed by SOA (service-oriented architecture). This process of decomposition is a natural byproduct of growth in scale. As we consume increasingly more computing and storage, efficiency gains are achieved through specialization.

Such continuous decomposition is a typical pattern of many industries. Several centuries ago, the model was subsistence farming, where every family as a single unit grew all of their own crops. Today, food production has decomposed into a collection of highly specialized industries.

However, this process of decomposition in IT injects complexity. At a certain scale, highly decomposed systems become extremely challenging to manage. This then drives a pressing need to abstract away from some of the individual components to a higher level. This is largely what we are observing today with infrastructure computing. The complex mammoth of enterprise IT, today comprised of a spaghetti mix of application servers, relational and noSQL databases, messaging queues, caching and search services, etc., is no longer manageable.

Gartner labeled 2011 as the year of cloud platforms or PaaS. Thinking of PaaS, we intuitively think Heroku, Force.com, and Google App Engine, all off-premise cloud platforms. But the cloud movement is not just about on-premise versus off-premise. It's about creating an effective means to abstract away from application infrastructure complexity. As mainframes exploded into myriad sub-components, we experienced sort of a Big Bang in enterprise IT. What we are starting to observe now is the Big Crunch, turning application infrastructure back into a more unified, manageable artifact.

OpenStack
OpenStack is one of the most interesting initiatives topping the headlines during the last several months, and it's directly related to the Big Crunch. An open source project with the promise to help consolidate the many disparate components of application infrastructure, OpenStack is only a year old and is far from fulfilling this promise today. However, I believe that OpenStack for application infrastructure will eventually become what Linux became to application logic many years ago - a single interface unifying all application infrastructure components and exposing a standardized set of APIs to applications running on top of it.

Open Source Cloud Projects and How They Differ
OpenStack is not the first open source cloud project. Eucalyptus, OpenNebula, and Cloud.com all emerged before OpenStack and all of them are still very much alive. However, OpenStack is different from these others because it's the only one that has gained enough critical mass to get on a steady course to mass adoption.

What enabled OpenStack to reach this point was not an accident, but a clever strategy by RackSpace and other founding members. Rather than following a more common, vendor-centric approach to building an open source community, like Eucalyptus and Cloud.com did, RackSpace quickly figured out that getting a "cloud operating system" to mass adoption would require more marketing muscle then any single vendor has. So it positioned OpenStack as a decentralized, community-driven project from the very beginning and set out to get the support of big players in the application infrastructure space, namely Dell, Cisco, and Citrix. It didn't go after just any infrastructure player, but specifically focused on those who were arguably late to the cloud game and aching to make up the distance they lost to the likes of VMware and IBM. Ultimately, OpenStack's blitz to success is a result of unleashing an enormous amount of marketing energy in a short period of time, carefully coordinated between a number of application infrastructure power houses.

Following Amazon to Open Source Infrastructure
Today, OpenStack is focused on low level infrastructure services - compute, storage, image service, etc., and much work still remains to be done by the community in that area. However, we know the trend and have already seen it with Amazon Web Services (AWS). AWS initially started as Infrastructure as a Service (IaaS) with EC2 and S3 offerings; it then evolved into a fully blown Platform as a Service (PaaS). The value in solving application infrastructure complexity in a broader sense, by embedding higher level services like automated deployment, message queues, map reduce, and monitoring, is simply too compelling. At some point, we expect to see OpenStack creeping into the PaaS space, the same way AWS is doing today.

This gradual transition from simply being a compute and storage infrastructure orchestrator into a complete cloud operating system will happen naturally for OpenStack. It will be driven by infrastructure vendors of all sizes that are looking to plug their solutions into the OpenStack ecosystem. With more than  100 member companies on board already today, we see various announcements to this effect right and left: Gluster contributes its file system, Dell builds a deployment services, CloudCruiser builds a cost management solution, etc.

What's Ahead for OpenStack
The openness and decentralized nature of OpenStack is central to the realization of its vision of the cloud operating system. Instead of trying to solve all application infrastructure complexity inside one monolithic system, such as with the VMware stack, OpenStack harnesses the naturally occurring decomposition in the infrastructure space. This is the Big Bang in infrastructure we've all experienced. Individual vendors with competence in one particular area of application infrastructure can plug their solutions (storage, caching, monitoring, etc.) into OpenStack. As OpenStack continues to gain adoption, it will become a channel for infrastructure vendors to sell their offerings in the same way that the Apple app store is a channel for mobile app developers. At the same time, OpenStack will help abstract end users and resident applications away from the complexity of disparate infrastructure solutions.

Today we are still in the early days of OpenStack. It's far from being the ultimate platform. It may also be less feature-rich than competing offerings from Microsoft or VMware. However, this is unimportant today. What's important is that the need for the Big Crunch that will decrease application infrastructure complexity is obvious. The magnitude of effort required to make this happen is not something any single vendor could credibly pull off. Ultimately, it's not OpenStack features that matter, but the "idea" behind this project and the degree of uptake it has already received in the community. When many people come together to realize a sensible vision, that vision inevitably becomes a reality.

More Stories By Boris Renski

Boris is the co-founder of Mirantis and is currently a board member at the OpenStack foundation. He was one of the key influencers to convince all internal Mirantis stakeholders to make the bet on OpenStack services. Today Boris remains as Mirantis’ public face in the OpenStack community. Operationally responsible for Mirantis’ marketing strategy, Boris works to ensure that the marketing dollars the company spends don’t just promote Mirantis’ brand, but also help further global awareness of the OpenStack community as a whole. To that effect Mirantis is a regular sponsor of OpenStack summits, promotes OpenStack at unaffiliated trade shows such as CloudConnect and OSCON and helps facilitate regional meet-ups in the Bay Area, Washington DC, Russia and Ukraine. Boris continuously helps evangelize OpenStack community by regularly blogging about it (blog.mirantis.com), talking on behalf of the community at various conferences and engaging in business development activities to attract new member companies and contributors. During 15 years of his professional career Boris held several executive positions with technology companies he helped establish. He was a founder and CEO of Selectosa Systems – an IT consulting company which was subsequently acquired in 2006; and is a co-founder and angel investor at AGroup.lv – now a venture backed enterprise software company headquartered in Europe.

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