This section describes simple repositories that require little to no manipulation of existing source packages. This excludes changes involving external patches, significant repackaging, etc.
This repository simply contains a copy of all packages used at a site. It is useful if you have a slow or unreliable network connection, or an unusually paranoid boss.
An extreme version of this repository will contain locally recompiled packages, plus all tools necessary for the recompilation. If you plan to change many packages, it's a good idea to do this first as a baseline.
The official Debian repositories only contain the latest version of each package for that release. This can cause problems if you need to perform regression testing, especially of your own software. This is a repository set up with multiple distributions designed to allow you to easily perform regression testing.