Recovering Software Design from Interviews Using the NFR Approach: An Experience Report

Table 5

Validation results.

Item	Positives	Scope for improvement
Component and connector view	90% correct	No central broker; Information Brokering Service (IBS) is more important than SBS; bidirectionality assumptions are incorrect.
Activity diagrams	60% activities correct; 88% links correct	Some of the links had wrong sources and/or destinations; some of the activities were in the wrong order.
Logical deployment model	100% correct	This has sparse information.
Physical deployment model	90% correct	We concluded SpringSource was used for application server—in fact, Java Services Container does this job.
Detailed views of services	93% correct	Forwarder should be Output Channel Manager.