Gpxelinux.0
From ERPXE Wiki
Name: gpxelinux.0
Project info at Wikipedia: http://en.wikipedia.org/wiki/GPXE
GPXE supports downloading the configuration with http instead of tftp. By default, PXELINUX will look for its configuration file using TFTP. To override this behaviour, you can specify DHCP options 209 and/or 210. (See syslinux/doc/rfc5071.txt)
