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A little old lady once challenged a well-known scientist’s explanation on the structure of the universe, countering that the world is really a flat plate supported on the back of a giant tortoise. The scientist rebutted the little old lady’s challenge with one of his own by asking what the tortoise was standing on. The little old lady’s sly reply was that it’s, “turtles all the way down.” So too is software architecture “turtles all the way down”.

In this session, we cover a broad range of topics that include challenging traditional practices of software architecture, examining what it takes to bring down the ivory tower, probing the paradoxical aspects of architecture’s goal, and investigating the inextricable link between temporal decisions and structural flexibility. From the highest level applications and services to the code that exists in the bowels of the system, and everything in between, we explore how an effective software architecture must be turtles all the way down. In the end, we will all have gained deep insight to the value of agile architecture.

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OSGi was once heralded as a contender for most important technology of the decade. Today, most developers have heard of OSGi, but few are using it to develop their enterprise software applications.Is OSGi failing? Who is using it? And what exactly are its benefits?

In this session, we'll explain the benefits of OSGi, and show that it's not just for the middleware vendor. We'll learn how you can use OSGi without making significant changes to how you write your software applications. We'll explore the OSGi ecosystem, including platforms that support OSGi. Through code examination, we'll see how the Spring framework allows us to leverage OSGi in a non-invasive way. We'll discover how OSGi encourages Polyglot programming on the Java platform. And we'll take a brief glimpse into the future of modularity on the Java platform. You'll walk away with a much better understanding of OSGi, its strengths and benefits, how to use it effectively, as well as the myths surrounding its use.

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Modularity is coming to the Java platform! Java 8 will introduce the Jigsaw module system. OSGi is here today. Don’t wait to start designing modular software. Contrary to popular belief, you don't need a framework or a new runtime to start building modular software applications. You can start today. Learn how!

In this session, we'll examine what it means to develop modular software on the Java platform. We'll examine the goals and benefits of modular software, and explore the patterns of modular architecture that help us develop modular software systems. With just a few easy steps, we'll see how to transform our software from a huge monolith to an extensible system of collaborating software modules. By examining an existing software system, we'll see first hand how we can increase software modularity with minimal disruption. You'll walk away not just with a much deeper understanding of the benefits of modular software, but also a migration roadmap for refactoring existing applications to increase their modularity. In other words, you'll see how to get ready today for the application platform of tomorrow.

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We know agile methods are proven on small teams, but really...almost any process works with a team of one. As the team scales, however, the challenges mount. In this session, we focus on proven practices that help large software development teams in excess of 100 developers maintain agility. We also explore how to scale agile across the enterprise.

Come learn about ways to increase transparency on large projects, structure the development team, garner the important feedback you need from customers, and avoid the lack of rhythm so common on large teams. We’ll explore how large teams can conduct effective code reviews, maintain a consistent architectural vision, take advantage of automation, and build a development process that is sustainable on large teams. In lieu of focusing on specific agile methods in this session, we turn our attention to practices that the development team can leverage today to get started on the road to increased agility.