"In a move calculated to expand Carrier Grade Linux's (CGL's)
developer and user communities, HP has registered Debian's 'Sarge'
distribution with version 2.02 of the OSDL's CGL specification, and
started a Carrier Grade subproject within Debian. Debian-CGL offers
an intermediary choice between commercial CGL distributions and
'rolling your own,' according to the OSDL.
"HP has long used Debian as the basis for custom Linux OSes
delivered to its telecom customers..."