> From the summary on slashdot: "I'm gonna bold it for emphasis: Some police departments actually supply the data used in such apps because they reduce the number of drunk drivers on the roads!"
> From the article: "Apps which contain DUI checkpoints that are not published by law enforcement agencies, or encourage and enable drunk driving, will be rejected...."

Yeah, but just because of, like, that, and the fact that it was already discussed to death in today's earlier thread about the same topic - well that wouldn't stop Slashdot from posting another piece of shit fucking flamebait article. Right?

They offer a smart phone app for several platforms that doesn't require Internet access. Just like an RSA keyfob doesn't require Internet access.

No? Mainly because donating to wikileaks is not a crime, and most certainly not a crime worth jail time? As opposed to insider trading?

Name servers and NTP servers can be propagated via ND options as long as the client OS can pick up on those options.

DHCPv6 is primarily interesting for prefix delegation.

Prefix delegation. You can't expect ISPs to configure static routes via SLAAC assigned addresses on customer router's WAN interfaces for the prefixes the customer is going to use on the LAN interface.

I find it doubtful there would be such a number that would make sense as a generic rule. First of all, stadiums have thick walls made from cement. Wireless signals don't penetrate at all. You can have two APs next to each other within 10th but separated by a wall and they can't see each other at all. Secondly, the 5GHz spectrum is finally picking up, and with the extra available channels it's good to use more APs at lower power. When you're not cranking up the transit power as high as you can (usually a fairly bad idea in big crowds) you can of course fit more radios in.

Don't know how hard it is to become a gateway. But it's distributed via unencrypted, public WiFi. The SSID is active at any Starbucks - go to one for a half hour and play with a packet sniffer.

That's not entirely fair, either. You don't have 884 stand alone APs deployed, you have them centrally controlled either via an appliance (Cisco's WLC/WCS) or via cloud based controllers hosted on the APs themselves.

Sure, there's a lot more than Cisco out there, but most gear than can handle balancing power and channel assignments to counter interference for that large a wireless network is a heck of a lot more expensive than a cheap, off the shelf AP. And there are few non-brand manufacturers out there than can handle a deployment that large, though there's a heck of a lot more brands than Cisco.

If you read the article, "ATT WiFi is everywhere in the building". That is referring to ATT augmenting their 3G network via WiFi. All their WiFi enabled smart phones look for an SSID named attwifi. The layer three gateway of that network triggers the phones to submit their phone number to that gateway, which looks it up in the ATT subscriber database and grants access if you have a data contract with them. That alone will account for many, many thousands of users. Doing that is significantly cheaper for ATT than bringing in a huge number of additional cell sites (which they have to do, anyway, to augment their voice network) and provide a lot of bandwidth to the sites to allow for increased data usage. You can cram a lot of phone calls into not a lot of bandwidth, but if the NFL is running interactive apps on smart phones as outlined in the article it's a lot cheaper to use the existing WiFi network than to temporarily augment the physical infrastructure beyond what is required for increased voice usage.

Add to that the media areas where the press will be using laptops and smart phones, as well as all the VIPs running around demanding network connectivity in some form.

During the game usage possibly won't be all that high. But the hours before and after where there's still plenty of people in the stadium (more than just a few thousand) there'll be quite a lot of users.

Sure, that is just an opinion, but - I know, fallacy of defective induction - I have provided public WiFi at some rather large events, including recent ones. The trend in data usage is clearly going up, and sharply so. The number of clients is increasing fast, and clients are consuming more and more data.

Sadly most people assume that if something shares physical infrastructure, it must be on the same network. I guess that's why it's IT world, not Network World.