Tag: middleware
Episode 85: Web Services with Olaf Zimmermann
In this Episode we’re talking about Web Services with IBM’s Olaf Zimmermann. We mainly focus on the WS-* stack. We also discuss a couple of SOA foundations and architectural decisions that need to be taken when building an SOA using Web Serivces. We also briefly mention the REST vs. WS-* debate.
Episode 42: Interview Gregor Hohpe
In this episode, Gregor Hohpe gives us a great introduction to enterprise messaging based on his EAI Patterns book. Before we started discusssing the patterns in his book, we characterized messaging and talked about the various interaction styles. We also contrasted the messaging architectural style with an RPC based approach. We then took a look at the relationship to SOA, the role of contracts and the orchestration-vs-choreography discussion. We briefly discussed the nature of pattern languages before we then went through the different section in the book. There are six main sections: channel, message, routing, transfomation, endpoint as well as management and monitoring. We discussed the core patterns for each of these sections. This should give listeners a good high-level view of message-based systems. We concluded the discussion by looking at the critical importance of systems management and monitoring.
Episode 39: Interview Steve Vinoski
This episode is an interview with Steve Vinoski. Steve works as the Chief Engineer for IONA. He’s what you’d call a middleware guru, he was for example deeply involved with CORBA. So, this interview centers mainly around middleware. We begin by talking about his own history wrt. middleare and ORBs and how ORBs evolved over time. We then talked about whether coarse-grained, stateless components might be a better abstraction for distributed systems than “objects”. We then covered the future of CORBA, it’s use in ethe embedded space as well as the practical relevance of the POSA patterns when building ORBs. Then we switched topics and addressed the role of web services as a “middleware middleware” and the maturity of WS-* specifications. We then looked at what Steve is working on these days, which is e.g. the Advanced Message Queueing Protocol (AMQP) as well as dynamic languages. We concluded the interwiew with his view on SOA.
Episode 20: Interview Michael Stal
In this Episode, we talk to Michael Stal, a Senior Principal Engineer at Siemens Corporate Technology, POSA 1 and 2 Co-Author and Editor of the german JavaSpetrum magazine. Since Michael’s core focus is middlware, much of our discussion centered around that topic. Webservices and SOA, of course, have also been covered. Other topics include Java vs. .NET as well as Patterns.
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