How to Manage Software System Dependencies

Good design will be resilient against poor code implementations. But if, you know, design is a really good user story, then that's really not going to protect you too much against the kind of implementation that might be behind it. The one thing I did like that he pointed out was try to encapsulate portions of it so that if you need to swap out systems, you can,. Sometimes easier said than done but there are patterns for like the facade pattern and adapter patterns or that kind of thing.