TFTP

• http://tools.ietf.org/html/rfc906
• The TFTP Protocol (Revision 2) - http://tools.ietf.org/html/rfc1350
• TFTP Option Extension - http://tools.ietf.org/html/rfc2347
• TFTP Blocksize Option - http://tools.ietf.org/html/rfc2348
• TFTP Timeout Interval and Transfer Size Options - http://tools.ietf.org/html/rfc2349

PXE

• http://en.wikipedia.org/wiki/Preboot_Execution_Environment
• http://www.altirigos.com/forums/threads/multiple-pxe-servers-not-working.625/
• http://www.pix.net/software/pxeboot/archive/pxespec.pdf

DHCP

• http://en.wikipedia.org/wiki/Dynamic_Host_Configuration_Protocol
• Dynamic Host Configuration Protocol - http://tools.ietf.org/html/rfc2131
• DHCP Options and BOOTP Vendor Extensions - http://tools.ietf.org/html/rfc1533

BOOTP

• http://en.wikipedia.org/wiki/BOOTP
• http://tools.ietf.org/html/rfc951
• http://pxe.dev.aboveaverageurl.com/index.php/PXE_Booting
• Vendor Area - http://tools.ietf.org/html/rfc1048