An Oracle SOA Suite - Team Blog

A Reality Check on Transitioning Application Infrastructures to the Cloud

Bruce Tierney
Director of Oracle Cloud Integration

In light of the Los Angeles Police Department’s recent announcement to pull the plug on Google’s
cloud-based email, it’s time for a reality check on the cloud as the immediate
solution to all problems. Lets start with the pressures you may hear internal to your organization…especially
as they relate to your existing application infrastructure.

Are you being asked to “flip the switch” and simply push your
existing application infrastructure into the public cloud? With so much hype of
the form “Create your cloud in X minutes” oversimplifying the move to the cloud,
its not surprising to hear these requests.

Although a simple cloud service can be “created” in minutes,
transitioning an existing infrastructure into the cloud, or more likely, the
hybrid cloud, is far more involved. At the recent Gartner Application Architecture, Development &
Integration (AADI) Summit in Las
Vegas, Gartner made the statement that by 2016, half of CIOs expect to operate
the majority of their application infrastructures through cloud technologies. Oracle
was a Platinum Sponsor of Garter AADI and presented a session titled “Tackling
Complexity by Converging SOA, Cloud, and Data Integration” which provided
insights into when and what to expect as you transition into the hybrid cloud. During the session, Oracle’s Vice
President of Fusion Middleware Greg Pavlik discussed many challenges and
solutions for transitioning from a purely on-premise deployment into the hybrid

The session was
kicked off with a slide covering the lesson “those who forget history are
condemned to repeat it” with something known as the “Accidental SOA Cloud
Architecture”. Just as the
pre-SOA architecture “accidentally” grew into an unplanned mess of
point-to-point application connectivity, the hybrid cloud architecture is
likely to do the same as lines-of-business by-pass IT to form direct
relationships with disparate cloud providers…unless IT takes a strong and
proactive role as outlined in the white paper “Avoiding
the Accidental SOA Cloud Architecture

Accidental SOA Cloud Architecture

Accidental SOA Cloud Architecture slide presented at Gartner AADI

Greg Pavlik presenting at Gartner AADI 2001 in Las Vegas

Greg Pavlik - VP of Oracle Fusion Middleware presenting at Gartner AADI

Another key theme of the session was on the convergence of
SOA, cloud, and data integration. Over the last decade, SOA platforms have converged from a collection of
independent tools for adapters, EAI, process orchestration, event processing
and more. More recently, data
integration tools are beginning to share some common adapters, and design and
management tools with SOA, in effect converging these platforms into a more unified
approach. This “horizontal”
convergence across tools and platforms is beginning to be complemented by a “vertical”
convergence of deployment options between traditional on-premise, private
cloud, and public cloud.

A primary benefit of this added dimension of converging
disjointed cloud deployment models into a more unified approach is the
flexibility to migrate each deployment of your infrastructure as requirements
change. For example, increased
regulatory requirements may lead to the need to move your public cloud
deployment to a private or on-premise scenario. This shift should not require a complete
re-architecture of the implementation.

Convergence of SOA, Cloud, and Data Integration

Convergence of SOA, Data Integration, and Cloud

Key to all of this is ease of transitioning between formerly
disparate platforms and tools across SOA, data integration and more as well as
across formerly disparate deployment models into a more unified on-premise,
private cloud, and public cloud hybrid scenario as first introduced by Oracle
at Oracle OpenWorld 2011 with the announcement of the Oracle Public Cloud.  So the question for most mid-to-large enterprises is not how quickly can the "switch be flipped" for a move to the public cloud...its more a process towards a well planned evolutionary transition to a flexible hybrid cloud.

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