Home » Author Archives: Kai Waehner

Author Archives: Kai Waehner

Kai Waehner works as consultant. His main area of expertise lies within the fields of Java EE, SOA, Cloud Computing, BPM, Big Data, and Enterprise Architecture Management. He is speaker at international IT conferences such as JavaOne, ApacheCon or OOP, writes articles for professional journals, and shares his experiences with new technologies on his blog.

Good Microservices Architecture = Death of the Enterprise Service Bus (ESB)?

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These days, it seems like everybody is talking about microservices. You can read a lot about it in hundreds of articles and blog posts, but my recommended starting point would be this article by Martin Fowler, which initiated the huge discussion about this new architectural concept. This article is about the challenges, requirements and best practices for creating a good microservices architecture, and what ...

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Microservices and DevOps with TIBCO Products

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Everybody is talking about Microservices these days. You can read a lot about Microservices in hundreds of articles and blog posts. A good starting point is Martin Fowler’s article, which initiated the huge discussion about this new architecture concept. Another great resource is an free on-demand webinar by vendor-independent analyst Gartner: “Time to Get Off the Enterprise Service Bus“. It ...

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Enterprise Integration Patterns (EIP) Revisited in 2014

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Today, I had a talk about “Enterprise Integration Patterns (EIP) Revisited in 2014″ at Java Forum Stuttgart 2014, a great conference for developers and architects with 1600 attendees. Enterprise Integration Patterns Data exchanges between companies increase a lot. Hence, the number of applications which must be integrated increases, too. The emergence of service-oriented architectures and cloud computing boost this even ...

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When to use Apache Camel?

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Apache Camel is one of my favorite open source frameworks in the JVM / Java environment. It enables easy integration of different applications which use several protocols and technologies. This article shows when to use Apache Camel and when to use other alternatives. The Problem: Enterprise Application Integration (EAI) Enterprise application integration is necessary in almost every company due to ...

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Rapid Cloud Development with Spring Roo – Part 1: Google App Engine (GAE)

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Spring Roo is a tool to offer rapid application development on the Java platform. I already explained when to use it: http://www.kai-waehner.de/blog/2011/04/05/when-to-use-spring-roo. Spring Roo supports two solutions for Cloud Computing at the moment: Google App Engine (GAE) and VMware Cloud Foundry. Both provide the Platform as a Service (PaaS) concept. This article will discuss the GAE support of Spring Roo. ...

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Rapid Cloud Development with Spring Roo – Part 2: VMware Cloud Foundry

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Spring Roo is a tool to offer rapid application development on the Java platform. I already explained when to use it: http://www.kai-waehner.de/blog/2011/04/05/when-to-use-spring-roo. Spring Roo supports two solutions for Cloud Computing at the moment: Google App Engine (GAE) and VMware Cloud Foundry. Both provide the Platform as a Service (PaaS) concept. This article will discuss the Cloud Foundry support of Spring ...

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Apache Camel Tutorial – Introduction to EIP, Routes, Components, Testing and other Concepts

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Data exchanges between companies increase a lot. The number of applications, which must be integrated increases, too. The interfaces use different technologies, protocols and data formats. Nevertheless, the integration of these applications shall be modeled in a standardized way, realized efficiently and supported by automatic tests. Such a standard exists with the Enterprise Integration Patterns (EIP) [1], which have become ...

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JavaFX 2 vs. HTML5 for RIA

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These days, we are starting a new project for realizing a Rich Internet Application (RIA). One of the first questions is: Which technologies and frameworks shall we use? The backend will be Java or another modern JVM language, as we are mainly experienced Java developer. In most use cases, we also prefer web frameworks, which allow to code mostly in ...

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Integration Framework Comparison – Spring Integration, Mule ESB or Apache Camel

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Data exchanges between companies increase a lot. The number of applications which must be integrated increases, too. The interfaces use different technologies, protocols and data formats. Nevertheless, the integration of these applications shall be modeled in a standardized way, realized efficiently and supported by automatic tests. Three integration frameworks are available in the JVM environment, which fulfil these requirements: Spring ...

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