InfoQ Homepage Architecture Content on InfoQ
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Presentation: Voca, UK's largest payment processing engine running Spring
In this presentation from QCon London 2007, William Soo and Meeraj Kunnumpurath discuss the Voca transaction processing system architecture, the previous Mainframe-based architecture, architectural challenges and requirements, the new Spring and J2EE-based architecture, upcoming challenges for Voca, and technologies to watch for in the future.
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Interview: Markus Voelter about Software Architecture Documentation
InfoQ interviewed Markus Voelter about the importance of writing software architecture documentation and the problems noticed by him when it comes to creation of useful software design documents.
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What can we expect from BPMN 2.0?
Although OMG is not scheduled to get to BPMN 2.0 until August/September timeframe, the initial announcements about its possible directions have caused a lot of activities on the Web.
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Article: Software Development Lessons Learned from Poker
There is no silver bullet. We know it, but don't act like it. Your language, tool or process is better, right? In this article, Jay Fields says: "It depends". The right choices varies with context, people, and more. This article touches upon how a lot of things must impact a choice; learning culture, skill levels, teamwork, incomplete information, metrics - and context.
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Tom Baeyens on the Process Virtual Machine
JBoss is close to releasing version 1.0 of their "Process Virtual Machine", an ambitious project that seeks to provide a definition language agnostic process execution engine. InfoQ spoke with project lead Tom Baeyens about the project, and how the PVM changes the BPM landscape.
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The Semantic Web and Ontological Technologies Continue to Expand
Ontologies and Ontological management have become more popular as enterprise architecture has gained ground in organizations. As tool support has become available and the semantic and ontological concepts are being understood, more players, like the UMBEL project, the AKSW group, and consultant Dan McCreary have come to the table with contributions.
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Interview: Smalltalk Dave about Programming Languages, SOA, MDA and the Web
In an interview at OOPSLA, Dave Thomas talks about the reasons for the rise of Java, what's behind Web 2.0, MDA and SOA, the rise of dynamic languages and the opportunities that he sees in the web as a platform.
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MagLev: Gemstone builds Ruby runtime based on Smalltalk VM
OODB vendor Gemstone works on a Ruby VM called MagLev. Working with Seaside's and DabbleDB's Avi Bryant, Gemstone bases the Ruby runtime on their Smalltalk VM to offer performance and powerful persistence features. We talked to Avi Bryant and Gemstone's Bob Walker about the technology behind MagLev and the plans for it.
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Google 'simplifies web development' with AppEngine
At Campfire One on April 7th, 2008, Google introduced Google App Engine as a way to simplify the job of creating, running and scaling web applications, to make it 'easy.' In essence, Google App Engine allows you to build web applications locally using and then deploy them on Google's infrastructure.
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CohesiveFT's Elastic Server On-Demand - Easy Server Provisioning
CohesiveFT's Elastic Server On-Demand is a SaaS platform that allows virtualized application stacks to be dynamically defined and provisioned on-demand, doing in minutes what can take hours or days. InfoQ spoke with Alexis Richardson about the service and how it helps simplify the complexity of virtualization.
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Making the Business Case for Software Factories
In this article, the authors have tried to carefully quantify the benefits of using a Software Factory Methodology for automating repetitive developments in a large enterprise development project at Siemens.
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Amazon upgrades EC2 with Persistent Storage
Amazon’s Elastic Computer Cloud (EC2), which delivers Hardware as a Service (HaaS), is adding persistent storage to its list of features. Amazon CTO Werner Vogels write that "Persistent storage for Amazon EC2 will be offered in the form of storage volumes which you can mount into your EC2 instance as a raw block storage device."
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Combining General Purpose Languages and Domain Specific Languages for Model Driven Engineering
In his last blog post, Johan den Haan asks one of the key questions of model driven engineering. The article is didactic and explains how ontological and linguistic metamodels can be combined (orthogonally) to simplify code generation while enabling the combination of general purpose languages and domain specific languages concepts. He uses BPEL and BPMN as a supporting example.
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Security for Services and Mashups
Security has become a rising concern in most applications and systems today. Whether you are building small mashups, enterprise applications, or a platform for SOA, there are several issues and approaches that are being discussed. Erica Naone talked about dealing with security in the world of mashups recently while Bob Rhubart and David Garrison from BEA discussed securing the services you deploy.
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Article: Spectacular Scalability with Smart Service Contracts
Udi Dahan describes an experience implementing a new order system in which large size message passing was affecting the scalability and even bringing down servers in the system. The article describes how they diagnosed the problem and their solution, by "changing our service contracts and introducing stateful interactions we were able to manage the performance critical state of the system."