Once the initial setup is complete, all repos will be updated nightly with any changes automatically. Then whenever you do an update to your HDA or Fedora clients, packages will be pulled from your HDA versus a Fedora mirror over the internet.
This was developed on Fedora 12 platform, but should work on Fedora 14. Change all occurences of ''f12'' and ''Fedora 12'' to '''f14''' and '''Fedora 14''' respectively.