http://gd.tuwien.ac.at/linux/suse/su...8.2/README.FTP

very nice explanation file.

This SuSE Linux 8.2 installation tree is suitable for installation via ftp,
http, nfs, smb or hard disk.

also visit these:

http://www.linuxiso.org/viewdoc.php/isofaq.html
http://www.linuxiso.org/viewdoc.php/howtoburn.html
http://www.linuxiso.org/viewdoc.php/verifyiso.html