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The Upsides and Downsides of Open Source Adoption
Benefits of open source projects are supporting rapid innovation, the flexibility provided to customize and adapt tools, and transparency of the code which can enhance security efforts. The downsides are that security by obscurity doesn’t apply, open source is potentially prone to abuse, and when open source tools are not backed up by companies, it might result in a lower level of maintainability.
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Applying Test-Driven Development in the Cloud
In the cloud, application development can be treated end-to-end with its accompanying infrastructure. This makes it possible to use test-driven development (TDD) and refactoring on the full application, which can bring down maintenance costs.
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Using Machine Learning in Testing and Maintenance
With machine learning, we can reduce maintenance efforts and improve the quality of products. It can be used in various stages of the software testing life-cycle, including bug management, which is an important part of the chain. We can analyze large amounts of data for classifying, triaging, and prioritizing bugs in a more efficient way by means of machine learning algorithms.
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Rebuild or Refactor?
Should you rebuilding or refactoring software?An interview with Wouter Lagerweij about what it is that makes refactoring so difficult, if rebuilding software is less risky than refactoring, and how continuous delivery fits with rebuilding software.
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Directing complex IT-landscapes with Agile
Where many organizations use agile to develop IT products, agile principles and practices can also be applied for maintaining landscapes of commercial products. Gert Florijn and Eelco Rommes will talk about directing complex IT-landscapes in public sectors such as healthcare and local and national government organizations at the Agile and Software Architecture Symposium 2015.
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Model-based Migration Approach for Maintenance of Legacy Software
Hans van Wezep, software architect at Philips Healthcare, talked about model-based migration at the Bits&Chips Software Engineering conference. InfoQ did an interview with van Wezep about the challenges in maintaining legacy software, why manual refactoring is error prone, using models to refactor and migrate a codebase, and the benefits of using models when maintaining legacy software.
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Managing Technical Debt Using Total Cost of Ownership
Total Cost of Ownership (TCO) can be used for investment decisions and financial benefit analysis. When applied to software it covers the initial development costs and subsequent maintenance costs until phase out of a product. TCO can support architectural decisions and management of technical debt.
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Is Unhedged Call Options a Better Metaphor for Bad Code?
In a blog post on bad code and technical debt Steve Freeman described how Chris Matts came up with the metaphor of an unhedged call option for bad code. This post is being intensively discussed on Reddit and on Hacker News recently. InfoQ interviewed Steve and Chris about using metaphors for bad code and code smells, trade-offs and costs of low quality code, and responsibilities for code quality.
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Amazon RDS: MySQL Database as a Cloud Service
Amazon recently added a new MySQL database offering to their Amazon Web Services (AWS) platform named Amazon Relational Database Service (RDS). InfoQ explores the benefits and shortcomings of this new service, how it compares to running a local MySQL database, maintenance and replication, the 4-hour weekly downtime window requirement, availability zones, and future plans.