Monday, November 24, 2014

Agile Requirements - System Sequence Diagram (SSD)

In the Previous Post I talked about the System Context Diagram. It provides a high level view of a system and it's interfaces that make up the overall ecosystem for the product under development. The system context diagram is a static model, meaning it doesn't show interactions/changes over time. From a context diagram, we can create another model, the System Sequence Diagram (SSD) that will show interactions over time.

Saturday, November 8, 2014

Agile requirements - setting the context

Still in the series of posts about requirements related artifacts - previous post. When I say requirements related, I mean something that assists us in understanding the system under development. As in past posts, the user story, scenarios & tests are all part of the requirements package. What else is there? What other kinds of things can we produce that add value & enhance understanding. As a coach many times when working with a new team, I'm listening to the conversation and I get lost. There are too many applications, acronyms, systems for me to understand what's going on. When I'm lost I almost always ask the team to allow me to draw a system context diagram.