George Georgovassilis writes about information technology architecture
This post discusses a way to increase a service architecture's scalability by removing any communication paths between services and instead burdening clients with that communication. Bureaucracy in real life is a trade-off between ease of work for the applicant vs. ease of work for officers In "Les 12 travaux d'Astérix" [1], Asterix and Obelix are … Continue reading Scalability through client-driven workflows
In this, hopefully, last post on this blog of the year I will try to gather my scattered thoughts on software architecture and specifically the need for defensive software architecture, and substantiate it with anecdotal evidence from my own project work. I will first talk about my definition of architecture and that of an architect … Continue reading Defensive software architecture
I love tagfiles: they feature a well known syntax (EL from JSP), they allow for reusable UI components, they are well supported by my favourite IDE and, most importantly, modifications are instantly visible because the servlet container does not have to restart. At least in theory, because reality often looks different: after a few edits … Continue reading Speeding up development by splitting a webapp into parts
If you are working on a webapp, it is likely that sooner or later you will find yourself tasked with generating some web UI. While the esteemed colleague from the web design department excels at that (disclosure: I'm not a web designer), when asked for advice on how to get something "simple" done you'll find … Continue reading CSS for frontend engineers
When trying to design for stateless services one finds it easy to reduce the information stored in an http session but for one piece: whether the client has authenticated against the server or not. Usually you would implement a proccess for authenticating like this: Client submits credentials (login / password) to the server Server checks … Continue reading Stateless user sessions with encrypted session IDs
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