[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Are people really using Identity constraints specif ied in
That's mostly it. Then it is an issue of survival in an event-driven environment, that is, does the system AND your understanding of the environment in which it operates evolve fast enough? Urgency must be harnessed to quality and which you emphasize is determined by the criticality to the system of an event type from within the system or from the environment. Notification should not initiate under-evaluated or boilerplate responses. That is not the way. Selection of the correct response is the behavior that must become instinctive, not the response. So to answer the original query about identity constraints: it depends. Don't do it just because you can. Do it because you must. How do you know? That's the job and why they pay you the big bucks. We don't bet our badges on our mistakes. We all make mistakes. We bet our badges on the failure to act. len From: Hunsberger, Peter [mailto:Peter.Hunsberger@S...] If I'm following you here (and I'm not sure that I am), I think the normal attack is recursive boot-strapping: start with open security/no audit/no validation, inject the fundamental constraints. Now add the base security, make the base constraints required, validate the base against the base, point the audit data at the results of the validation, etc. (Possibly at this point you add in database constraints that didn't previously exist, turn certain fields non-null, etc.) Now you can inject the next layer and go around again. For our system, if we were starting from scratch we'd have to fake the creation of 2, maybe 3 layers before we'd have the complete bootstrap in place. Is it provable? Not in our case, but I can't see why it couldn't be in theory...
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