5:38 Ye have heard that it hath been said, An eye for an eye, and a tooth for a tooth: 5:39 But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also.
(King James edition, The Gospel According to Saint Matthew, as found at Project Gutenberg)
I know something needs to be done, but it really irritates me when people 'selectively quote' from *any* source.
I'm no expert on the matter, but why would they have to have munched IP addresses for a distributed attack? Admittedly it would probably be a good idea, but if the originating point for an attack is not the actual machine that physically performs the attack (I'm imagining the remote triggering of trojans to be the method in use here, but I could be wildly wrong), then how would the ISP tell the difference between a legitimate connection and a trigger signal?
Please feel free to stamp on any misapprehensions/assumptions here, 'cos I'm only chucking ideas about here.
N.B. My chemistry is a little rusty, so all corrections gratefully received.
They say that after the laser first hits it, it takes a certain length of time (from minutes to days, which can be set by the thickness of the coating), to change color and become unusable.. So what makes it change color? Let's assume oxidation, because I can't really imagine what else would do it. (opinions on this?)
It wouldn't necessarily have to be an oxidation reaction, and even if it was, it wouldn't need to involve oxygen from the air. What I'm envisaging is the following: A mix of chemicals is applied to the data layer before the remaining polycarbonate layers are added. This mixture is transparent to the relevant wavelength of laser that the DVD drive uses (I forget off-hand what it is, but AFAIK it's down the blue end of things). The mixture contains two separate chemicals, the reactant(s), and an indicator. When the mixture is hit by a light source of the correct frequency, a reaction is triggered in the reactants by the energy from the light. Depending on the sense of the indicator, it could respond to presence/absence of the reactant(s), or of the reaction products. My guess would by something like reactant A + reactant B + light energy -> products A, B, C, D,... (possibly), with the indicator responding to any one of the byproducts.
Alternatively, they could get away without an indicator at all if one of the products was itself opaque to the laser's frequency, and was produced in a high enough quantity. The rate of reaction (and therefore time taken for the DVD to degrade) could, I *think*, be controlled with a buffer of some sort.
Depending on the actual manufacturing details, it might be possible for them to make this so that data is only degraded once it's been read *on the bit level*. This would mean that, if you got half-way through your 10 minute lifetime film, and suddenly felt the effect of those three cartons of prune-juice you drank in a fit of pique, that you would be able to hit the pause button without fear of missing the rest of your entertainment.
I find it slightly more likely that they cross-check your answers to these questions with anything they can dig up from a police security check, whether technically a criminal record or not.
Slashdot Mirror
5:38 Ye have heard that it hath been said, An eye for an eye, and a tooth for a tooth: 5:39 But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also.
(King James edition, The Gospel According to Saint Matthew, as found at Project Gutenberg)
I know something needs to be done, but it really irritates me when people 'selectively quote' from *any* source.
I'm no expert on the matter, but why would they have to have munched IP addresses for a distributed attack? Admittedly it would probably be a good idea, but if the originating point for an attack is not the actual machine that physically performs the attack (I'm imagining the remote triggering of trojans to be the method in use here, but I could be wildly wrong), then how would the ISP tell the difference between a legitimate connection and a trigger signal?
Please feel free to stamp on any misapprehensions/assumptions here, 'cos I'm only chucking ideas about here.
A mix of chemicals is applied to the data layer before the remaining polycarbonate layers are added. This mixture is transparent to the relevant wavelength of laser that the DVD drive uses (I forget off-hand what it is, but AFAIK it's down the blue end of things). The mixture contains two separate chemicals, the reactant(s), and an indicator. When the mixture is hit by a light source of the correct frequency, a reaction is triggered in the reactants by the energy from the light. Depending on the sense of the indicator, it could respond to presence/absence of the reactant(s), or of the reaction products. My guess would by something like reactant A + reactant B + light energy -> products A, B, C, D,
Alternatively, they could get away without an indicator at all if one of the products was itself opaque to the laser's frequency, and was produced in a high enough quantity. The rate of reaction (and therefore time taken for the DVD to degrade) could, I *think*, be controlled with a buffer of some sort.
Depending on the actual manufacturing details, it might be possible for them to make this so that data is only degraded once it's been read *on the bit level*. This would mean that, if you got half-way through your 10 minute lifetime film, and suddenly felt the effect of those three cartons of prune-juice you drank in a fit of pique, that you would be able to hit the pause button without fear of missing the rest of your entertainment.
Corrections? Thoughts?
I find it slightly more likely that they cross-check your answers to these questions with anything they can dig up from a police security check, whether technically a criminal record or not.