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Standard User nemeth782
(member) Wed 25-Nov-15 18:12:10
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Re: difference between 4G 'mobile' SIMS and 'dongle' SIMS


[re: deleted] [link to this post]
 
In reply to a post by daviestar:
Hello again,

I think the underlying problem here is the mobile network advertising an unlimited plan in the first place, if their network can't handle it. If I was to take out an unlimited contract, then watch hi-def Netflix all day through a phone to a TV using a Chromecast or similar, I think you're suggesting Three would throttle my service right down in an attempt to keep phone calls working in the area. This is plainly false advertising as I imagine after a few hours my 'unlimited' contract would be unusable. Unlimited should not be throttled - by definition.

Radio-based infrastructure is surely the future though - no one wants to be at the mercy of monopolies like BT for their infrastructure. The reason I'm researching alternatives is because of my current situation with BT: I had a job with an Australian company that needed a fixed IP for a few months so had to take out BT Business Broadband for 2 years just for this.. now no longer working for this company and have till next November to finish my contract. Now moving house and BT want me to pay a £150 connection fee, PLUS open a new 2 year contract - or else pay almost £1000 to end my current contract early. I am basically over a barrel because of their monopoly. I don't want a home phone line, I don't want to have to pay £150 for someone to flick a switch at the exchange, and I definitely don't want a 2 year contract (they offered me a small discount in exchange for a 5 year contract!!!)



Many consumer isps offer static ip addresses, plusnet do it for a one off cost of £5.

You chose a business product and expect consumer treatment (free moves etc).

Radio is not the future. There is only so much spectrum. With a wire or fibre optics, you get all the frequencies you can squeeze down that wire to yourself. Add more people and you add more wires so it scales.

Unlimited is not throttled on 3. It is contented. All consumer services are contented and this is normal. If you want uncontented, pay a thousand pounds a month for a leased line.

Three just found that 5% of the customers use 95% of the bandwidth, so to make things fair for everyone, the lowest 95% of the users get something like 75% of the bandwidth, and the highest 5% fight over the remaining 25% (which is still more than their share but as they are all high users means they get terrible speeds).

Three mostly detect tethering from header data and user agent strings. An SSL VPN can avoid them detecting you are tethering but you will still get put in with the heavy users.
Standard User deleted
(deleted) Fri 27-Nov-15 18:49:05
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Re: difference between 4G 'mobile' SIMS and 'dongle' SIMS


[re: nemeth782] [link to this post]
 
In reply to a post by nemeth782:
Three mostly detect tethering from header data and user agent strings. An SSL VPN can avoid them detecting you are tethering but you will still get put in with the heavy users.

It's the "mostly" that causes the problems! Spoofing user-agent strings and other http header data is easy with a techie-browser (e.g. Konqueror for Linux), but Three can still detect tethering. How so?

https://www.maketecheasier.com/assets/uploads/2014/0...

Perhaps Three is fingerprinting the TCP/IP stack of connected devices? Stack implementations vary subtly between operating systems; making it possible to distinguish a mobile device from a desktop PC or a laptop.

https://nmap.org/book/osdetect.html

There's an in-depth discussion on stackexchange about this. One suggestion is that Three could also be looking at the background chatter from the cellular connection; watching for periodic connections to the Windows Update servers, coming from a tethered PC, for example.

The last comment, by xmp125a, is insightful. Three could be inspecting the TTL values; noting that there are different values arriving - indicating the connections of multiple devices.

http://android.stackexchange.com/questions/47819/how...
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