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Comment: Re:A nice idea... (Score 4, Informative) 348

by chrisgeleven (#46966481) Attached to: China May Build an Undersea Train To America

Personally traveling to and through Boston is a 100x better than it used to be because of the Big Dig. Not to mention it reconnected two parts of the city that the original above ground highway effectively severed from each other, allowing for an insane amount of development in the seaport area since (http://www.bostonmagazine.com/2012/07/rise-seaport-district-boston/). The entire area has been transformed.

Comment: I'll be keeping mine (Score 2) 257

by chrisgeleven (#45945813) Attached to: Google Buys Home Automation Company Nest

I'm willing to give Nest and Google the benefit of the doubt. Supposedly Nest has claimed in interviews after the news broke that their privacy policy is very strict and limits the info Nest gathers to Nest products only. If that is the case, and more importantly, their privacy policy doesn't change in the future, I'll stay a happy customer.

If there is evidence of Google doing evil, then it's easy to create an eBay listing.

Comment: Re:Say what you will (Score 5, Informative) 182

by chrisgeleven (#44672871) Attached to: Dark Day In the AWS Cloud: Big Name Sites Go Down

Assuming you mean traditional round-robin A records, the timeout(s) you still have to suffer through would kill your latency.

If your talking about DNS providers (disclaimer, I work for Dyn) with advanced features that detect a failover event occurring and will only serve healthy A records, then that is a different story.

Math

+ - The Blackjack Player Who Broke Atlantic City

Submitted by
Hugh Pickens writes
Hugh Pickens writes writes "Mark Bowden writes in the Atlantic about blackjack player Don Johnson who won nearly $6 million playing blackjack in one night, single-handedly decimating the monthly revenue of Atlantic City’s Tropicana casino after previously taking the Borgata for $5 million and Caesars for $4 million. Johnson doesn't just walk into a casino and start playing, which is what roughly 99 percent of customers do. This is, in his words, tantamount to “blindly throwing away money.” How does Johnson do it? First with Johnson, it’s all about the math, and Johnson knows it cold. But that's not enough to beat the house edge. As good as Johnson is at playing cards, his advantage is that he's even better at playing the casinos. When revenues slump as they have for the last five years at Atlantic City, casinos must rely more heavily on their most prized customers, the high rollers who wager huge amounts and are willing to lessen its edge for them primarily by offering discounts, or “loss rebates.” When a casino offers a discount of, say, 10 percent, that means if the player loses $100,000 at the blackjack table, he has to pay only $90,000. Two years ago, Johnson says, the casinos started getting desperate and offered Johnson a 20 per cent discount. They also offered playing with a hand-shuffled six-deck shoe; the right to split and double down on up to four hands at once; and a “soft 17". By Johnson's calculations, he had whittled the house edge down to one-fourth of 1 percent so in effect, he was playing a 50-50 game against the house, and with the discount, he was risking only 80 cents of every dollar he played. Johnson had to pony up $1 million of his own money to start, but, as he would say later: “You’d never lose the million. If you got to [$500,000 in losses], you would stop and take your 20 percent discount. You’d owe them only $400,000.”"

Comment: Re:Business as usual (Score 1) 233

by chrisgeleven (#38534308) Attached to: No IPv6 Doomsday In 2012

Incorrect in some aspects. All caching means is IF a recursive DNS server had done a lookup on your domain recently enough that the TTL hadn't expired, then you use the recursive DNS server's cached copy of the DNS record.

If the recursive DNS server doesn't have a cached copy of the record, it will simply go through the resolution path to get to the authoritative DNS provider and get a fresh copy of the DNS record.

Having a low TTL just means that more queries will hit the authoritative DNS provider since the recursive DNS provider is less likely to have a cached copy of it. It's not bad necessarily to have a low TTL, it just means more queries are generated which results in a little bit longer DNS resolution time compared to using a cached copy. In the case of Dynamic DNS, you are never really going to care/notice any speed hit caused by less caching.

Comment: It is actually more than 21,000 domains (Score 4, Informative) 356

by chrisgeleven (#38489344) Attached to: Go Daddy Loses Over 21,000 Domains In One Day

This # doesn't include any domains transferred away from GoDaddy that were delegated to non-GoDaddy nameservers. The 21,000 number is only for domains that used GoDaddy's nameservers for DNS. So the actual # was higher than 21,000.

The question is what is the real number of transferred away domains? I don't know if any of those statistics are available publicly.

Comment: Re:DynDNS does it (Score 1) 70

by chrisgeleven (#36656316) Attached to: Ask Slashdot: Which Registrars Support DNSSEC?

Yeah that DNSSEC page looks very old, I hadn't even realized it existed until now. Thanks for bringing this up. We are working on rewriting docs so I will make sure this gets addressed.

Once you have a registered domain in your account, for supported TLDs there is a 'DNSSEC DS records' section on your domain registration page.

If the facts don't fit the theory, change the facts. -- Albert Einstein

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