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Hybrid Speed Boost at no extra cost, BT business broadband ADSL only.

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meritez:
https://newsroom.bt.com/bt-cranks-up-broadband-speeds-for-thousands-of-small-businesses-on-copper-lines/


--- Quote ---Hybrid Speed Boost is included at no extra cost for new BT business broadband customers taking ADSL broadband plans.
--- End quote ---

And


--- Quote ---Average upload speeds can be uplifted to 10Mbps
--- End quote ---

Sounds impressive, anyone aware of the cost?

I'm wondering if people like Weaver would benefit from moving one line to this service, apparently it only benefits TCP services as it uses mptcp for the higher speeds.

Alex Atkin UK:
I'm kinda surprised AAISP do not already offer something like this.

meritez:

--- Quote from: Alex Atkin UK on May 25, 2022, 09:36:55 PM ---I'm kinda surprised AAISP do not already offer something like this.

--- End quote ---

They do but in a pay as you use billing method per MB:

--- Quote ---1.75p +VAT per MB upload/download
--- End quote ---
https://www.aa.net.uk/voice-and-mobile/

Alex Atkin UK:
They offer 4G data sure, but I was referring to bonding DSL and 4G.  I'm not aware of them doing that.

Weaver:
You can, as far as I can see, already bond 4G and wireful lines with AA and I thought about this but as far as I know there’s no one doing it. I suspect it would be a disaster because of the large difference in latency between 4G and wireful lines, just confusing TCP by causing out-of-sequence packet ordering. I suspect there might be problems with mismatched MTUs too.

In AA’s control panel for lines’ behaviour (clueless.aa.net.uk) you can just define a bonded set of lines by ticking a tick box next to each line you want to include in the bonded set, and the UI makes no distinction between 3G/4G ‘lines’ and wireful ‘real’ lines, so if you tick a mixture of different link types then that’s all you need to do. I have several ‘lines’ that are actually 4G SIMs. Most are not part of any bonded groups; these are for iPads’ 4G interfaces. One ‘line’ though is my Firebrick 3G USB dongle failover interface and that is set up with the appropriate clueless.aa.net.uk tickbox choices to make it a failover link associated with my main bonded set of DSL links, and AA’s servers just know a rule about switching to the chosen failover link to the Firebrick if every single one of the DSL links goes down. The ‘only if all down’ rule prevents me from racking up a huge massive 3G/4G data bill.

You could simply have a 4G link live all the time within a bonded set with wired links, racking up a huge bill unless you used a cheap 4G service and a tunnel, so more MTU problems. That would do failover anyway because if any links go down the traffic just always gets redirected to the other links in the bonded set, with no concept of failover even being needed.

I’ve been thinking about it for some time, but since reliability is more important than speed then I will take some convincing that such a setup won’t just muck things up.

My Apple devices already can use MPTCP. Apple’s Siri voice command interface races the upstream of 4G and wifi to get the user’s audio up to the analysis servers or database severs or whatever they are (don’t know how much of the processing is local and how much remote). I presume Apple has exposed MPTCP in the o/s rather than just making it confined to Siri - that would be madness - so I would hope any application can use it.

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