TECHNOLOGY: Diskless Booting; why not cdrom booting?

http://it.slashdot.org/story/10/05/08/0455244/Diskless-Booting-For-the-Modern-Age

Diskless Booting For the Modern Age on Saturday May 08, @05:08AM
Posted by timothy on Saturday May 08, @05:08AM
from the who-needs-moving-parts dept.

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An anonymous reader writes “Ever wonder what happened to PXE? Intel’s popular standard for diskless booting hasn’t been updated since 1999, and has missed out on such revolutions as wireless Ethernet, cloud computing, and iSCSI. An open source project called Etherboot has been trying to drag PXE into the 21st century. One of their programmers explains how to set up diskless booting for your cloud, using copy-on-write to save space.”

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Having had to “clean” more than one machine — freinds, family, workmates, fellow alums, complete strangers (I love helping) — I have really never ever understood why we don’t boot from a CDROM.

Persistent virus infections, hiding in boot records, would be impossible.

Given that a reboot for desktops are relatively rare and for notebooks are infrequent, we could have true “change control”.

Never understood that?

Can you help me out and explain it?

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