These are packages for the sparc64 architecture.  Here are brief
descriptions of each subdirectory.

  packages-6-stable:      Packages for FreeBSD-6-stable.
  packages-6.2-release:   Packages for FreeBSD 6.2-release.
  packages-6.3-release:   Packages for FreeBSD 6.3-release.
  packages-7-current:     Packages for FreeBSD-7-current.
  packages-7.0-release:   Packages for FreeBSD 7.0-release.
  packages-8-current:     Packages for FreeBSD-8-current.

packages-*-release directories are built from the ports collection
shipped with the release, and are not updated thereafter.

packages-*-stable and packages-*-current are updated roughly once a
month.

Please see the file "../../dir.sizes" for the current size of each
directory.  In particular, mirroring thise directories will cause about
8GB of traffic per week from packages-?-stable and packages-?-current
updates.