Software Engineering Radio - the podcast for professional software developers

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Episode 36: Interview Guy Steele Nov 10, 2006

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This episode is an interview with Guy L. Steele Jr.. Guy is a Sun Fellow and heads the Programming Language Research Group within Sun, and a generally well known "programming language guy" (see here for details). We briefly talk about Lisp and the resurgence of dynamic languages before we delve into the main topic, the Fortress programming language he is working on. Fortress is a language intended to replace Fortran as a scientific computing language. We talk about how mathematical notations, syntax extensio and built-in support for parallelism are crucial properties of such a language. We then briefly talk about potentials for compiler optimization before taking a closer look at the type system (static typing, type inference), traits and contract specification as well as first-class support for hierarchical components. We conclude the discussion with a look at automatic partitioning and distribuion of concurrent algorithms and a brief look at the future roadmap for the Fortress language.

Episode 35: Roadmap Nov 08, 2006

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This episode mainly outlines the upcoming programming and interviews.

Episode 34: Enterprise Architecture Nov 02, 2006

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In this episode Markus and our Guest Andy Longshaw talk about enterprise architecture. More specifically, we talk about some of the patterns in Andy Longshaw's and Paul Dyson's book Architecting Enterprise Solutions: Patterns for High-Capability Internet-based Systems. These includes things like replication, load balancing, monitoring and application management.

Episode 33: Service Oriented Architecture, Pt.2b Oct 23, 2006

Show notes

This is the second snippet of the SOA 2 double-episode. Eberhard and Markus continue the discussion with the issue of service reuse and a couple of development process issues. We also look at the duality between infrastructure development and application development in the context of an SOA. We then discuss the great spaghetti misunderstanding :-). We conclude this episode with a look at how to integrate BPM into the conceptual SOA framework we've built up to now, and we'll also briefly skim over a number of technologies related to SOA. Note that this episode, as well as the last one, is based on a set of slides; these can be downloaded from here. This episode covers slides 39 through 74.

Episode 32: Service Oriented Architecture, Pt.2a Oct 13, 2006

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In this, as well as in the next episode Eberhard and Markus continue their discussion about SOA (the episode got too long, so we had to split it into two ... SOA 2a and SOA 2b). In this episode, we talk about the various perspectives on SOA (CBD, EAI, BPM), about fundamental requirements towards an SOA, and we discuss the role of models in defining sustainable architectures. We also discuss how a programming model based on the described approach typically looks like. We then discuss a number of issues any large-scale SOA faces (and for which the SOA paradigm does not really provide an out-of-the-box solution: In this episode we discuss data type ownership and (weak) typing of data types.

Episode 31: Agile Documentation Oct 03, 2006

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In this episode, our guest Andreas Rueping and Markus talk about documenting software. While this is a topic that many people don't like or consider fun, it is nonetheless very important. Based on his book, Agile Documentation, we talk about various aspects documenting software such as what to document, when to document, which media to use as well as specifically a number of layouting tips for nice documents.

Episode 30: Architecture Pt.3 Sep 22, 2006

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In this third Episode on software architecture, Michael and Markus talk about the basic tools that an architect uses when architecting systems. These tools include things like separation, abstraction, compression and sharing. We also relate these tools to the quality attributes we introduced in previous archtecture episodes.

Episode 29: Concurrency Pt.3 Sep 12, 2006

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The third part of our concurrency series by Michael and Alexander discusses how to build highly scalable servers. The discussion focusses especially on event-driven servers. As possible solution patterns a reactor-based design is suggested along-side several patterns for multi-threading issues: Reader/Writers Locks, Thread Pools, and Leader/Followers.

Episode 28: Type Systems Sep 02, 2006

Show notes

In recent episodes we have discusses statically and dynamically typed languages and domain specific languages - topics that are much talked about in the community at the moment. In this episode we look at the foundation of programming languages : types. We explain what a type actually is, how type systems work and what polymorphism works.

Episode 27: Service Oriented Architecture Pt.1 Aug 23, 2006

Show notes

SOA (Service Oriented Architecture) appears to be just another hype - after all we have been building distributed systems for quite a while now. But the real value of SOA is non-technical. In this episode Eberhard and Markus discuss the advantages and disadvantages, what SOA actually is and how it compares to other approaches that have been tried out before.

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