Knowing this can literally make or break your enterprise. I’m currently leading a massive system migration where the old system has: Data sourced from multiple upstream systems Highly operational data New data sourced in this system not held anywhere else A whole lot of “we think this is right” gray areas Chaos will catch up … Continue reading Do you know your system’s data source classifications?
An Architect’s Best Friend: The Flow Diagram
We’ve all been there. You just got through explaining a simple process or system flow (well, simple to you), but everyone around you has glazed looks in their eyes. Another time, someone said they understood but when they repeated it back, they clearly didn’t. Other times, people fully understand after a significant amount of effort, … Continue reading An Architect’s Best Friend: The Flow Diagram
Web SSO across multiple subdomains using the Magic Cookie Recipe
One of the greatest things about the web is that it’s stateless. One of the worst things about the web is that it’s stateless. To deal with this, Lou Montulli built in “cookies” as a feature of Netscape in 1994. This was a great way to allow browsers to store a bit of information that … Continue reading Web SSO across multiple subdomains using the Magic Cookie Recipe