Matt Zimmer discusses architectural patterns -service decomposition, stateless application tiers, and polyglot persistence- and migration strategies used by Netflix.
Phillip Verheyden covers what it takes to migrate a Spring 3.x application to Spring 4.
Adrian Cockcroft discusses strategies, patterns and pathways to perform a gradual migration towards modern enterprise applications based on cloud, microservices and denormalized NoSQL databases.
Adrian Cockcroft discusses strategies, patterns and pathways to perform a gradual migration from monolithic applications towards cloud-based REST microservices.
Emiliano Conde shares the process, tools, and lessons learned migrating jBilling.com from Struts/EJB to Grails/Spring.
Anne Thomas Manes discusses the options available and challenges involved in moving applications to the cloud.
Graham Tackley discusses how The Guardian switched all new development from Java to Scala, why they did that, what were the benefits and the problems, and why they did not choose Python+Django.
Phillip Ghadir presents an application initially built using SOAP, WSDL, WS-*, and was later migrated to REST, Atom, and AtomPub, explaining the decisions made, the pitfalls and the lessons learned.