LXer: Linux Jargon Buster: What are Upstream and Downstream?
 

Published at LXer:

The terms: upstream and downstream are rather ambiguous terms and, I think, not really used by the general public. If you are a Linux user and do not write or maintain software, chances are pretty good that these terms will mean nothing to you, but they can be instructive in how communication between groups within the Linux world works.

Read More...