Tim Ward
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If you are new to OSGi, or have heard about it or experienced (good or bad) a little of OSGi then this is the talk for you.
Peter Kriens, the OSGi Alliance Evangelist and Tim Ward, co-author of Enterprise OSGi in Action will provide a high level technical introduction to OSGi, covering the core concepts that make up this standard.
OSGi has been around since 1998 and was formerly JSR8. Today its one of the only Java standards that exist outside of the JCP and this talk will explore the original objectives of OSGi and how they have remained true while being extended to apply across many vertical markets including enterprise, embedded / IoT, etc.
Microservices and OSGi. From the outset OSGi promoted a ‘services-first’ approach, initially within the JVM, and in the last few years, across JVM’s with the Distributed OSGi specifications. The Microservices approach has been gaining industry traction over the last 12 months and Peter and Tim will explain how OSGi provides you with a standards-based solution to Microservices, how simple it is to take advantage of, and the benefits that you can achieve by adopting OSGi to realize it.
They will also highlight some of the common misconceptions and challenges that people have when starting out with OSGi, just so you have a full and frank understanding of the many benefits and some of the hurdles you may encounter as you start down the OSGi path. As they say there is no such thing as a free lunch, however it tastes mighty fine once you get there!
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Maintainable, adaptive Systems must be modular in nature. Hence OSGi, the open industry standard for modularity, provides the ideal foundations upon which the next generation of lightweight, adaptive public and private Cloud platforms and hosted applications can be built.
The talk will explore some of the current OSGi Alliance activities with respect to distributed computing, Cloud runtimes and the extension of OSGi concepts to more traditional software artifacts; specifically dynamic resolution, requirements and capabilities, remote services and semantic versioning. Consideration will be given to the Operational benefits that can be derived from from adopting a modular approach to Cloud rather than the typical virtual machine based solutions that do nothing to address the complexity and technical debt that has been accrued over the years.
The talk will conclude with a demonstration of the Service Fabric, the industries first distributed OSGi cloud runtime, where the above concepts will be demonstrated.
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Asynchronous and event-driven programming models have become increasingly popular in Java, and the Actor pattern is commonly used to help design and build these systems. At its heart the Actor pattern is all about composing systems from modular components – exactly the same thing that OSGi is designed for. In the upcoming OSGi Enterprise R6 release (planned Q3 2014) OSGi will be adding some new APIs that allow bundles to communicate asynchronously, even using existing synchronous services.
This talk will describe the workings of the new Promises and Asynchronous Services APIs from OSGi RFC 206, showing you how you can start to take advantage of asynchronous programming between modular, loosely-coupled services. It will also demonstrate how OSGi Remote Services can transparently integrate within the asynchronous application, allowing completely non-blocking interactions in distributed environments.