Archive For February 26, 2012

Observations on Errors, Corrections, & Trust of Dependent Systems

Every couple of weeks I get questions along the lines of “should I checksum application files, given that the disk already has error correction?” or “given that TCP/IP has error correction on every communications packet, why do I need to have application level network error detection?” Another frequent question is “non-ECC mother boards are much…

Read more »