Stephen, One concern I have with CAS eliminating block/file is the transactional semantics of changing data. Block and file approaches handle changing data quite well; CAS (and XAM) are geared towards fixed content (unchanging data). But I do agree with the stance that you are taking and the direction that your thoughts are going: concepts like CAS solve problems in ways that block and file cannot. Steve
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One concern I have with CAS eliminating block/file is the transactional semantics of changing data. Block and file approaches handle changing data quite well; CAS (and XAM) are geared towards fixed content (unchanging data). But I do agree with the stance that you are taking and the direction that your thoughts are going: concepts like CAS solve problems in ways that block and file cannot.
Steve