Tag: Interview

Episode 64: Luke Hohmann on Architecture and Business

Filed in Episodes by on August 5, 2007 0 Comments
Episode 64: Luke Hohmann on Architecture and Business

In this episode we talk about the relationship between software architecture and the business. Based on his book, Beyond Software Architecture we discuss how things such as branding, licensing, updating or different deployment scenarios influence the technical architecture of a system. We also discuss issues such as portability that add a huge amount of complexity, although from a business perspective it often does not make much sense. In the second part of the interview we discuss how the technical team and the business team can improve the way they work together. We look at some of the games (such as Buy a Feature or Give them a Hot Tub) from his new book Innovation Games, which discusses how to use collaborative play to be more creative and innovative in product creation.

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Episode 63: A Pattern Language for Distributed Systems with Henney and Buschmann

Filed in Episodes by on July 26, 2007 0 Comments
Episode 63: A Pattern Language for Distributed Systems with Henney and Buschmann

In this Episode we talked about the new POSA 4 book which has recently been published. We talk to two of the authors, Kevlin Henney and Frank Buschmann (the third author, Doug Schmidt was not available – and he had also been on the podcast a couple of times :-)). The book contains a pattern language for distributed systems. It contains 114 patterns that had been published before by many different other authors. The patterns have been rewritten to form a consistent language.
We basically talked through the different sections of the book, which gives a really good overview over the challenges and the solutions of building distributed systems. These sections include From Mud to Structure, Distribution Infrastructure, Event Demultiplexing and Dispatching, Interface Partitioning, Component Patitioning, Application Contrl, Concurrency, Synchronization, Object Interaction, Adaptazion and Extension, Modal Behaviour, Resource Management and finally, Database Access.

The book references several other previous works (as listed below). Interestingly, many of these referenced works and authors have also been discussed previously on the podcast. Here are the back references:

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Episode 62: Martin Odersky on Scala

Filed in Episodes by on July 16, 2007 4 Comments
Episode 62: Martin Odersky on Scala

In this Episode we talk about the Scala language with its creator Martin Odersky. Scala is a language that fuses object oriented and functional programming. Martin started out by providing a two-minute overview over the language, and then talked a little bit about its history. We then discussed the basics of functional programming. The main part of the episode features a discussion of some of the important features of the Scala language:

  • Case Classes and Pattern Matching
  • Multiple Inheritance and Compound Types, Traits, Mixins
  • Closures
  • Functions as types, “Function pointers”, Anonymous functions
  • Higher Order Functions
  • Currying
  • (Sequence) Comprehensions
  • Generics
  • Type Bounds (Upper, Lower)
  • Static/Dynamic Typing, Type Inference
  • Operators
  • Implicits

We then talked about Scala’s actors library, a highly scalable concurrency package. The last part of the episode covered some more general topics, such as where and how Scala is used today, IDE support and the user and developer community. We concluded the episode by looking at current development and next steps in Scala language evolution.

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Episode 56: Sensor Networks

Filed in Episodes by on May 17, 2007 1 Comment
Episode 56: Sensor Networks

In this episode we discuss sensor networks with our guest Steffen Schaefer, who is the Technical Thought Leader for Sensors & Actuator
Solutions at IBM. The discussion resolves around the TREC device, which can be mounted on containers to track them on their journey over seas, railway tracks and roads. The TREC is a small embedded device developed by Steffen’s employer, IBM, that has various sensors and communications channels.

In the episode we first talked about container transport in general, and then looked at how the TREC device works – specifically, it’s hardware, software and power management. We then looked at the necessary backend infrastructure. The main part of the discussion covered the communication between the device and the backend, using technologies such as Zigby, GSM and satellite communications. We also looked at the middleware infrastructures used, such as the MQtt messaging tool.

We closed the episode with a little discussion of the “Internet of Things” and some discussion about embedded software devleopment in general. Note that SE Radio will feature more embedded topics in the future – an introduction to embedded development will be put online soon.

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Episode 54: Interview Frank Buschmann

Filed in Episodes by on April 27, 2007 0 Comments
Episode 54: Interview Frank Buschmann

This episode is an interview with Frank Buschmann, one of the pioneers of the pattern movement in Europe. Michael and Frank discuss how it all began: the first conferences on patterns and the first publications by the Gang-of-Four and the POSA 1 team. Frank then elaborates on the new volumes in the Pattern-Oriented Software Architecture book series – POSA 4 and POSA 5 – and gives some examples from the books. The episode concludes with a general discussion on software design and architecture, and best practices on software development.

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