Need to create your own connection test server for a project? MySpeed, a commercial Java product with a trial available, could be the solution you're looking for.

MySpeed, once installed, measures connection speeds and quality by timing actual data transfers between your server and end-users. Producing graphs that can show the consistency of connection, and even (in some versions) packet jitter and loss, the application logs to a database, giving you records of your connection quality between you and end users over time.