Posts by Jonathan Morton 8 publicly visible posts • joined 25 Jul 2008
Ignoring the cost of .trust itself, the guidelines in the policy document make a LOT of sense, and they are not excessively onerous. I'd go so far as to say that every website - indeed every Internet-connected organisation - should implement them.
The trick is with auditing. Surely someone can do that for less than $100K per annum?
Theora *is* covered by patents - the ones owned by On2 and irrevocably licenced to the community. Since surely the existence of a patent on something theoretically excludes the same thing being patented by someone else, Apple has nothing to fear about implementing and supporting Theora.
But even these patents - and the MPEG pool too - are *software* patents. Which means they stand a good chance of being ruled invalid in the near future. And then there will be much rejoicing.
Ammaross Danan is correct. But I would go further.
This single 10G Ethernet port won't replace sixteen 10G NICs. It'll replace sixteen 1G NICs. If a server has been upgraded to a 10G NIC in the first place, chances it it *needs* that kind of bandwidth. So this isn't nearly as painful to the NIC/switch vendors as the article suggests.
Putting DRAM on the far side of a PCIe link is totally boneheaded. CPU vendors are now putting memory interfaces on-die whenever performance is required. Even the new Atom has an on-socket DRAM interface, though this is for power savings (eliminating the power-hungry 945 northbridge) rather than performance. DRAM should be considered effectively part of the CPU in system design.
The only part of this that makes any sense is the shared disk storage. I wonder how wide the PCIe link to each server is? I hope it's at least x4, since only then will it compete effectively with 10G Ethernet and iSCSI. This assumes that there are enough disks and bandwidth demand to use that kind of performance, and that the application can make effective use of a shared storage pool. And that the storage management of this new box is up to the standards set by existing storage vendors - storage reliability and disaster recovery is critical.
Can it be retrofitted to existing servers? If not, I would dismiss it out of hand unless I was building something from scratch, and then I would want a thorough demonstration including disaster scenarioes.
ATP is expensive, yes, but it looks like either AWS (introduced in 1950s and prototyped on GWR even before that) or TPWS (introduced much more recently, as a cheap stop-gap before ATP) could have prevented this accident.
Based on the evidence presently available, of course.
Personally, I think ATP is overkill except for very fast express trains. AWS combined with TPWS is much cheaper, and more than sufficient for typical US line speeds.
...but it's not a good idea. Helo blades need to be in a very specific speed range to generate the right amount of lift without risk of stalling. The twist-throttle is actually only present on helos without FADEC, where the pilot is responsible for keeping the rotors at the correct speed.
Because the stall happens on the retreating side first, it will cause the helo to roll violently if it is a single-rotor design. A twin-rotor design will stall one rotor on each side, which is why they *can* do it with the X2. Further, the slower rotor will have trouble giving up power to forward motion, which is why the X2 has the pusher.
I think this shows that the legal system needs to be more cautious when dealing with spammers and scammers - because they *can* do this kind of thing, and are perhaps more likely to than your average white-collar criminal.
His son is too young to be significantly affected by this, so long as he gets a good new family to live with. The teenager, however, doesn't have that luxury. I can only hope that she survives, and without too much permanent harm done. Perhaps she can find some "comfort" in helping to look after the little boy, if she is in fact part of the family.
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