JAX London Preview

Modularity Meets Cloud at JAX London

Jessica Thornsby

“How do I run modular OSGi based applications in the Cloud?”

The third JAX
is just a few weeks away now! In this instalment of our
interviews with JAX London speakers, we find out more about the
relationship between OSGi and cloud computing, with CEO and Founder
of Paremus, Richard Nicholson.

JAXenter: You will run a ‘Modularity meets
Cloud’ session at JAX London. Why is modularity so important,
within the context of cloud computing?

Richard Nicholson: Quite simply: modular
systems are maintainable systems.

A substantial body of research concludes that application
maintenance (i.e. the ‘legacy crisis’) accounts for almost 90% of
application total cost of ownership. In contrast, current ‘Cloud
Solutions’ are only concerned with the deployment of traditional
software-stacks via virtual machine images. Whilst this may provide
additional resource and operations costs savings; these solutions
do nothing to address the “Elephant in the Room”; the ever
increasing burden of application maintenance. Indeed I’d argue that
‘Cloud Computing’ in its current form is a dangerous distraction;
diverting senior IT management from the real task at hand; which is
ensuring robust and easily maintained applications for their

JAXenter: You will also talk about the
relationship between OSGi and cloud computing in your JAX London
session. What impact does OSGi have on current cloud computing

Richard: OSGi is the modularity standard for
Java; with wide industry adoption from embedded Systems to
Enterprise. OSGi specifications are developed by the OSGi Alliance
which is supported by all the dominant enterprise software

Modular systems are maintainable systems; and so organisations
which either develop or consume Java based applications should be
insisting that these are OSGi based. Hence the following question
naturally arises; “How do I run modular OSGi based applications in
the Cloud?”

JAXenter: In your opinion, what are the areas
cloud computing currently cannot address on its own?

Richard: The unit of ‘Cloud’ deployment is
currently the virtual machine image; this is pre-loaded with a
traditional ‘software stack’. Recognising the issues caused by
managing virtual machine images (versioning and virtual machine
image sprawl) some companies are now looking at provisioning
traditional application packages to pre-deployed ‘naked’ virtual
machine images. Yet this still fails to address the application
maintenance issues and usually introduces a brittle deployment
infrastructure that was design for a static enterprise environment
and not a dynamic Cloud environment.

JAXenter: What can attendees hope to learn,
from your session?

Richard: My JAX London session will demonstrate
the current ‘state-of-the-art’ with respect to what is possible
when OSGi and Cloud concepts are combined with a focus on achieving
maximum robustness and application agility. In addition to a
demonstration of the Paremus Service Fabric, I’ll also briefly
demonstrate a Financial Service demonstration created by Lab49; this
demonstration is based on the Paremus Service Fabric used in
conjunction with the Scala Akka framework.

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