* Posts by Lotaresco

1501 publicly visible posts • joined 24 Sep 2007

15 'could it be aliens?' fast radio bursts observed in one night

Lotaresco

Re: Obviously..

"'Disaster Area' tuning up their instruments."

At least we are located in a listening area at an appropriate distance.

Brit firms warned over hidden costs of wiping data squeaky clean before privacy rules hit

Lotaresco

Re: Hurrah for Brexit

"Once we leave the EU, this silly nonsense can be binned!"

If you think that is the answer then you haven't understood the question.

Lotaresco

Welcome to my world

I have been working with the need to both preserve and to securely erase data for, mmmm a long time. Each time customers express a desire to do both, the arguments that have been presented above recur (again and again). It's normal for a requirement to be that data is to be retained and disaster proof for generations but that if there is an over-riding reason to get rid of a record then the record should be purged from wherever it may be.

Regulators suffer from a lack of imagination about where data may (legitimately) be. On clients, on stand alone systems, on server(s), SAN, NAS, rented (cloud) storage etc, etc. A data dictionary that records where all this stuff is, is large to begin with. Then there's the problem that purging data is not just deleting it, but one of over writing the data so that it can't be recovered. However you can't do that at the level of individual records.

Deleting an encryption key can sound like the magic bullet, but it doesn't work. You also have to delete every copy of the key, including the ones that are on paper or lurking in some forgotten document that someone created years ago and never told anyone about. In short this is a really difficult problem with no absolute answers and no absolute end point. Given the way that storage optimises itself and things like wear levelling work there are often multiple plain text copies of data that are on a device, just not easily accessible to the OS, but there for anyone with access to forensic tools.

I can see cases where an attempt to purge a record would involve the obvious of purging a record from a database followed by discovering all the backup copies and mystically removing the same record from those, scanning the unallocated space of every storage device for occurrences of the record, taking a trip to some $DEITY forsaken archive inside a mountain, asking AWS/Azure if they would mind purging the drives that once held the data.... and so it goes. Some of these things are unlikely to be possible.

Lotaresco

' "How do we delete our customers from the system?". Our f**kwit designers said "You don't, because you never asked for that facility." '

It's not the designers who were f*ckwits.

HTH.

You had ONE job: Italian firefighters suspected of starting blazes for cash

Lotaresco

Re: Nothing new for Sicily...

"Carabinieri should have instead been merged with Polizia"

I really can't agree about that. The Carabineri include the Italian version of the SAS and they are decent, honourable people kept that way because of their policy of moving individuals away from their home so that nepotism can't affect their decisions. The Polizia Statale are bumbling incompetents.

The Corpo Forestale sell Christmas Trees and manure as well as swanning around in Land Rover Defenders.

Lotaresco

Re: Nothing new for Sicily...

Not just Sicilly. I live (sometimes) in the mezzogiorno. The local road mender is a friend and I've had him do work for me in the past. He has two standards of work. That done for friends will last a lifetime. That done for the state won't last through winter.

DXC Franken-firm 'on track' to slash $1bn with deeper 'synergies' ahead

Lotaresco

Oddly DXC also seems to be having a recruiting frenzy.

Your top five dreadful people the Google manifesto has pulled out of the woodwork

Lotaresco

Re: Thiel Capital

"stay for the teenage blood transfusions"

I think you will find that's "irradiated children's glands".

Bug Jack Barron

Gosh, that doesn't half look prophetic these days.

Speaking in Tech: Do I need some weird thing listening to me in my house all the time?

Lotaresco

Do I need some weird thing listening to me in my house all the time?

Betteridge's law of headlines applies.

Core-blimey! Intel's Core i9 18-core monster – the numbers

Lotaresco

Re: guy who wrote Occam

"Did Tony Hoare write Occam, or design it or just write papers about it?"

None of the above. Tony Hoare (now Professor Sir C. A. R. Hoare) originated the theory of Communicating Sequential Processes, which was the foundation of the transputer concept. He is listed as "the inspiration for the occam programming language". David May created the architecture of the transputer and the development of Occam is not credited other than to "Inmos". However my friend was the person who wrote the Occam compiler.

"If Inmos was going nowhere it was due to fixation on Intel and lack of investment in Tech in UK, where companies relied on Military or BT spending and increasingly owned / controlled by asset strippers or bean counters with no vision."

I'm not convinced by the above explanation. Thorn EMI had underestimated the scale of investment needed and didn't realise until too late that booming transputer sales had been achieved by shipping as much product as possible but not investing in development. It was a slightly cynical exercise in making the company look a bargain for investors. My friend blamed the point-to-point link technology as a bottleneck in the technology.

If you are interested in a potted history, including the financial, political and management cock-ups see the Inmos Legacy page by Dick Selwood on the Inmos web site.

Lotaresco

Re: Cost of AMD CPU In General

"Is there something about AMD i am missing - and why don't vendors use AMD more ?"

They seem to use AMD quite often. The thing you need to check is TDP in the specs. Some AMD CPUs gobble electrons, although they have been getting better recently.

Lotaresco

Re: Nobody needs more than 640K of RAM.

"Pity that Thatcher sold off Inmos."

one of my friends is the guy who wrote Occam. Even he admits that Inmos was going nowhere.

Lotaresco

Re: Gamers?

I can't remember the exact words, unfortunately, but he did say something about it during a TV interview with Sue Lawley back in the late 80s. It was in a discussion where he explained Microsoft philosophies such as "New releases are not there to fix bugs, they are there to add features" and he mentioned that either 640K was not a barrier to software development or that 640K was adequate for the intended use of a PC. If I recall correctly this was about the time of the release of the first extended memory boards and of a version of Lotus 123 that demanded the extra memory. It was also the time that the business unit I was in flipped to using Macs with 4 or 8 Mb of memory and Excel because 123 was creaking at the seams.

Re-identifying folks from anonymised data will be a crime in the UK

Lotaresco

"Making it a crime to de-anonymise some half arsed 'we used double ROT13 to protect our beloved customers' data' is a good thing."

My concern is that there has been a lot of work in government to arrive at robust methods to de-identify data but to have that data still usable for statistics. Of course this takes time and money and a great deal of thought to ensure that the methods used really do result in data sets that cannot easily be converted to re-identify individuals.

How much easier and cheaper for government to say "We'll make it a criminal offence to re-identify people, then we can use any old technique, yes including ROT-13, to obscure personal details. That "solves" the problem cheaply. Because of course no one would ever break the law. <rolls eyes>

Lotaresco

Re: it's not ... anonymised... is it?

'It's not "anonymised", it's "decontextualised"'

It's referred to in the trade as "de-identified" data. It's actually very difficult to do, because any information that could be used to identify an individual needs to be obscured in some (non-reversible) way. There's a good paper on the subject that explains how the Census data was handled, but I'm danged if I can find it at the moment. I'll provide a link when I can find my notes :-)

Lotaresco

"Even the US will have to respect GDPR if it wants to handle data on European citizens."

And will be subject to the ECJ, something which Weak and Wobbly May has claimed will not happen to the UK after Brexit. Another U-turn looming there.

Linus Torvalds pens vintage 'f*cking' rant at kernel dev's 'utter BS'

Lotaresco

Re: Uh-oh

"I need to explain Godfreys(*) law to you (I invented Godfrey's law)"

Godfrey's Law is: "any transmission by a service provider of a defamatory posting constitutes a publication under defamation law". It dates from 1997. You'll have to find another name.

Lotaresco
Childcatcher

"Someone ought to do a run of teeshirts: "I got savaged by Linus" for devs to wear. You only get one if you've been on the receiving end (whether justified or not) of one of these outbursts."

Linus Torvalds ate my hamster.

Lotaresco

Re: Twat

"If I worked with someone who spoke to me like that, he'd get it back ten times worse. Every time. And no, I wouldn't shut up."

No, like every other keyboard warrior you'd sit there and squirm, snowflake. Because every hard man on line is pathetic in RL.

Lotaresco
Mushroom

" I don't think there are many organizations that would tolerate an employee constantly publicly berating people online."

My company positively encourages the berating of people making fatuous points on-line[1]. I won't do it here because El Reg staffers are sensitive souls who don't like to see idiots being told to consider sex and travel, no matter how much the idiot may deserve it.

[1] The boss is a great bloke, too.

Lotaresco

""I am not quite satisfied with ..." instead of "Now that was a monumental fuck-up. Just fix it.".

I asked on a previous project which f*cknugget thought that the design was fit for purpose. It turned out to be the CEO who had been a developer once, long ago. He thought he'd done something clever by "taking charge" and demanding that the development team do things his way[1]. He was in the room at the time. He was furious and told HR to get rid of me.

There followed the amusing "He's not employed by us, he's a contractor" which turned into "Then terminate his contract" and ended with, "We can't do that, the customer insists that he remains on the team." Ha bloody hah!

[1] Transmitting lots of sensitive personal data unencrypted because it saved having to build a new web service. A real Talk Talk moment.

HMS Queen Liz will arrive in Portsmouth soon, says MoD

Lotaresco

Re: I've been thinking about cheap ways to kill carriers.

" USN wooden decks were too fragile."

I mentioned this to an American (military enthusiast) friend some decades ago. The British Pacific fleet (BPF) did not have as many problems with kamikaze attacks as the USN because British decks were armoured steel. The kamikaze tended to splatter on the deck and once the mess was cleared the flight deck could be used again. Of course the attacks succeeded on USN carriers with the explosion occurring on the hangar deck. The USN liaison officer on Indefatigable commented: "When a kamikaze hits a US carrier it means 6 months of repair at Pearl [Harbor]. When a kamikaze hits a Limey carrier it's just a case of 'Sweepers, man your brooms'."

Oddly my friend said that the British had no fleet in the Pacific and definitely no aircraft carriers.

It was odd because the BPF had 21 Aircraft carriers.

Lotaresco

Re: wrongo

"there will be a "USS Donald Trump"..."

Given the US emphasis on eco-friendly fuels for naval propulsion in recent years (as in the Dripping Driven Destroyer) it would make sense for the USS Trump to be powered using LNG so that the vessel can fart its way out to sea.

'Real' people want govts to spy on them, argues UK Home Secretary

Lotaresco

Re: Ask her this

"After all how exactly would you propose you trace a signal thats stated goal is - Signal JAMMING?"

The same way that we, and the Nazis, did in WWII.

Is there the remotest chance that you could learn to use an apostrophe, the difference between there, their and they're and in general cease from talking absolute drivel in a forum that is used by many, many technical savants? Thanks awfully, thanks, no don't bother to write, bye, have a nice summer, relax, no we won't see you again I hope, bye.

Lotaresco

Re: All very Orwellian.

"The government is completely clueless and has absolutely no idea what it is doing with regards to encryption or IT, they have no advisers and absolutely no one who understands anything."

Whereas I can understand why you would think this, based on the woeful performance of government ministers, it's not true. UKGOV has available to it some of the best advice from some of the best people in their field in the world. People who are listened to by foreign governments which deeply appreciate the insights offered. UKGOV of course has access to the full, uncensored, advice which is more useful than that information made public.

So, why are UKGOV projects not the best run, most effective, most secure in the world? The answer is simple, not only do the ministers (MA PPE, Oxon or Cambs) not understand the advice given, they think that they know far better than those funny "technical" people. Hence the ministers do their own thing, ignoring all advice given. The end result is the usual circle jerk. As long as the country is run by people who have never done productive work, who have no appreciation of science and technology and to whom manufacturing is a dirty word there's no hope of getting anything sensible out of them.

Lotaresco

"Actually Fly-in Amber has publicly demonstrated that she couldn't actually remember her briefing properly so it's obvious she never understood it. Hashtags."

#stupidrudd

Lotaresco

"I'm sure CESG have ensured that Amber Rudd's computers and communication devices are secure"

I'm sure they haven't. Largely because they don't exist and haven't since Francis Maude had a hissy fit that they dared to tell him that he couldn't put official government paper on a tablet that he had bought himself. The new broom in government speaks against encryption with the GDS mantra being that security is bad because it prevents "information sharing".

Lotaresco
Boffin

Re: The idiocy of this runs even deeper.

"I can't wait to see what happens when terrorists start exchanging one-time pads via USB sticks carried by racing pigeons*."

A reference to RFCs 1149, 2549 and 6214 is obligatory at this point.

Look out Silicon Valley, here comes Brit bruiser Amber Rudd to lay down the (cyber) law

Lotaresco

Re: Not for me, thanks all the same...

"However, it certainly hasn't been the doom & gloom disaster that was predicted has it?"

You do know that Brexit hasn't happened yet, don't you? This is just the warm up period and already the pound is in freefall, the economy has stalled and strategic businesses are leaving or have left or at the very least are planning their exit. Farmers have just realised that they are most unlikely to continue getting their FREE! MONEY!! from the EU which means either rampant food price inflation in the UK or more likely that we will be forced to eat substandard US and Brazillian imports while our own farms revert to scrubland.

Meanwhile, who is that is whining and crying over spilt milk? Oh yes, it's the Brexit snowflakes like "Sir" James "Hypocrite" Dyson. And remember, Brexit hasn't even started yet.

James Dyson whines on and on and on about not getting that lovely free money.

Here's a clue, Jimmy D, you want all that lovely EU subsidy? There's an obvious answer that involves not leaving the EU, you muppet.

Lotaresco

Re: Not for me, thanks all the same...

"The main one being they let too many people into the club for political reasons and now they are in a financial shit-hole as a result."

Is that why the rest of the EU is out-performing the UK?

UK economy falls to bottom of EU growth league

Thanks Brexiters.

Autonomous driving in a city? We're '95% of the way there'

Lotaresco
WTF?

Re: Interesting, but...

'So the Ocado vehicle drives autonomously to the nearest bit of road to the 5th floor flat. How does the parcel get up the stairs? Will a small delivery bot be carried as well? And will it be able to read the scrawled note "If out, please leave in coal bunker"'

A coal bunker? For a fifth floor flat?

Lotaresco

Re: BMW

"Of all the drivers on the road, it seems that it's those saddled with a Vauxhall Insignia that are most filled with loathing of their fellow man."

Oh look, that flushed an embittered Insignia driver out of the woodwork.

Lotaresco

Re: Will we ever reach the real level of human-like driving?

"Robotic road rage would be awesome."

This robot is working on it.

Pepper the robot, with an attitude problem

Lotaresco

Re: BMW

"Never underestimate the capabilities of a driver who expected a company BMW or Audi and got a Mondeo instead."

Of all the drivers on the road, it seems that it's those saddled with a Vauxhall Insignia that are most filled with loathing of their fellow man. I'm guessing that the Insignia is the punishment car. You can guarantee that the car that swoops onto a motorway and into lane 3 without looking or use of indicators will be an Insignia. Once there the driver will never leave that lane. Not even if he has an ambulance 3 inches off his rear bumper with all the blues on. The drivers also seem to think that their asthmatic diseasel engine makes their car the equivalent of a Ferrari 430 and they will force a queue of traffic to build up behind them as they try to wrestle the car up to the 90mph that they prefer to drive at, taking a glacial epoch to do so. But they get there eventually so they can feel proud that they are going faster than anyone else.

Petition calls for Adobe Flash to survive as open source zombie

Lotaresco

Re: Please, No!

"Just write your emulator in Javascript "

Stares.

Stares long and hard, leaving scorch marks on the screen.

Lotaresco

Re: Destroy the culture too

"Just because many people use a technology in a bad way, doesn't mean you should get rid of it. "

So you haven't understood the problem with Flash then, have you? It's not "people using it in a bad way". It's the problem that Flash is a buggy mess of insecure code that compromises the security of both servers and clients. It's a foul mess best done away with.

Do you own a lumberjack shirt despite living in the heart of the Crapital?

Lotaresco

Re: FFS

"Let it fucking die."

Indeed. I've no idea why you have so many downvotes for that. I can only assume that some bearded hipster "web designers" have managed to get in here, somehow. The faster that Flash goes, the better. All we need to do is to make sure that no one bleeds into the coffin.

Currys PC World rapped after Knowhow Cloud ad ruled to be 'misleading'

Lotaresco

Re: There's another dodgy claim there

"'Military grade encryption' just means out of date. Because of bureaucracy they're still using 3DES / RC4 / MD5, and anything more modern hasn't been approved."

You do know this is drivel, don't you? Unless you are talking about the military of Christmas Island, possibly.

Lotaresco

Re: Lawyered up

"thing that the company is most paranoid about is brand and reputation damage"

Err they do know that have an entirely shit brand and reputation, don't they? Customer service at Currys/PCW is, always has been and will probably continue to be shit. That's what their reputation is and their "brand" is recognised as a warning that they are to be used only for "distress purchases".

My experience, bought a TV from them because it was one day faster to get it from Currys rather than get it from Amazon and although more expensive at Currys, not that much more expensive. Opened the box and screen was damaged. Returned to Currys for the most awful support experience, ever. Firstly a one hour wait to get anyone to look at the TV. Then another hour of being accused of damaging it myself. Then another hour as they refused to honour their SOGA responsibilities followed by them refusing to replace it unless the manufacturer agreed to pay the costs. Ignorant staff claimed that this was essential. It isn't. Eventually replaced only when the manufacturer agreed to indemnify Currys.

Shameful, awful and the default standard for customer "service" at Currys. You even have to wait to pay for goods because the tills are not manned. And then when somebody appears they try to sell you shit you don't want and turn business purchases into a nightmare.

Lotaresco
Facepalm

There's another dodgy claim there

"All your data is protected and backed up in our military grade encrypted UK based data centres."

This cannot be true. Military grade encryption is not made available to anyone outside government or suppliers to government. Disk drives are available that support military grade encryption, again only available to government or government sponsored customers, they would be too slow and way too expensive to use in a data centre. Although there's considerable doubt about what they are claiming is encrypted (ie FDE or just the transmission of data) the claim about "military grade" isn't capable of misinterpretation.

HP Inc, HPE both slapped with racism, ageism lawsuit

Lotaresco

"I dont think HP<whatever> are racist or agist. They fuck over everyone."

And they really don't like it when they get the same treatment back. Their attempts to impose a pay cut in Europe (French response Ferk Oeuf!) and their attempt to slash contractor pay in the UK backfired spectacularly leaving Ms Whitman spitting out her dummy followed by a lot of feathers.

Adobe will kill Flash by 2020: No more updates, support, tears, pain...

Lotaresco

Re: Dear Adobe

"A multitude of people are to blame for it becoming popular and still being around."

In my experience mostly Italian "web designers" who don't seem to have ever got their heads around HTML. Most Italian business sites are a 640x480 window in the middle of the page in which runs a shonky bit of Flash. Can't be resized, printed and the only page that you can link to is the "Home" page. Pointless flash done using Flash.

Snopes.com asks for bailout amid dispute over who runs the site and collects ad dollars

Lotaresco

Re: Baby on board

"Although they may post their sources etc., how many people actually check it and make sure it all adds up?"

My lack of trust of Snopes started over an incident they dismissed as myth. It was about someone getting a Zippo lighter as a present and filling it by siphoning petrol out of the tank of his BMW, messily, getting petrol on his clothes and skin. He struck the Zippo to test it and set fire to himself and his car. He ran out of the garage and died on his lawn. Neighbours ignored him because they thought the burning bundle was a garden bonfire.

Snopes said they could find no evidence and dismissed it as "myth". I had seen the incident reported in my local paper and the brother of the Zippo lighter victim worked in the same office as me at the time. I carefully documented what I could and sent them the clippings and references. I got a mail back dismissing the evidence because it was in a local paper and they didn't trust it because it wasn't published in an American local paper. It seemed terribly parochial on their part.

You can't DevOps everything, kids. Off the shelf kit especially

Lotaresco

Same old, same very old

"It's a good idea to have your Devs and Ops collaborate over the lifetime of a piece of software.."

I started my career in the pharmaceutical industry, in the 1970s. Big Pharma has always been a consumer of Big IT and spends a lot on IT projects. In the 1980s it became obvious to us that something was badly broken because no matter whether we talked about R&D in the sense of "new product" or D in terms of "new/improved IT systems" often what was delivered to operations wasn't fit for purpose. We used to refer to it as "over the wall" rather than "DevOps" but the problem we tried to shift was that there was a wall between development and operations and every so often development would run up to the wall, throw something over it with a note pinned to it saying "This is what you asked for."

By the 1990s we had fixed it for all aspects of business delivery by doing the logical thing of having operations included in all phases of development. It worked, no need for "a method" or shiny suits or six figure salaries.

When I emerged from that environment to more mainstream IT I was horrified that the old crap way of doing things has survived. Now I'm horrified that smoke and mirrors has been applied to "leverage" <retch> huge salaries for stating the bleeding obvious.

I agree with you that it's a marketing wet dream but it's not selling much of value. Since my thing these days is security, I'm really ticked off that in most DevOps projects security isn't thought of at all. It seems to be common that they think "Just get it working, we'll keep security happy by throwing some in at the last minute[1]."

[1] That is, if they bother at all. Just look at the DevOps approach leading to Internet of Tat. Not a pretty sight.

UK ministers' Broadband '2.0' report confuses superfast with 10Mbps

Lotaresco

Re: Available but not realistic

"not if you're a marketeer it isn't."

Yes, sadly that is true. I've been in the same room as the lizards when "truth" is being discussed. Once I saw a graph being presented by a technical person to a roomful of lizards. The graph showed that compared to the gold standard reference test method that the company's "new" test system was a random number generator. The results plotted on the graph formed a vaguely elliptical cloud rather than a straight 1:1 line.

A lizard asked for the slope to be calculated and it came out as 1 with an intercept close to zero. However the probability was laughably small.

Lizard response "We'll say we have perfect agreement with the reference method and just show the slope, not the actual data point."

B Ark material, all of them.

Lotaresco

Re: it makes more sense to not have FTTP

"I am currently waiting to see how reliable overhead FTTP is."

It depends on many factors. How stingy the supplier is factors heavily. If they use armoured cable then it may survive but the costs tend to make that uneconomic. The details of the site are also important. Trees grow back after being cut and eventually the branches waving in the wind damage the cable. We have outages of power and telecoms because of that. As mentioned before passing trucks cause cable to whip around, particularly if the cable is hung over the road rather than along it.

If the hedges/trees are kept neatly trimmed and the cables aren't over a road that's heavily used by trucks and if the cable has a steel support cable as well as the plastic sheath then there shouldn't be a significant problem.

On private lines you could monitor the line quality and improve resilience by using a multicore cable and putting an OTDR switch at each end so that in the event of a break or degradation the switch uses another pair in the bundle. Sadly no service provider is going to go to those lengths for a SOHO user.

The sort of cable we use for this sort of work is £2,000 per km and service provider flinch at those costs.

Lotaresco

Re: Available but not realistic

"any links to those 100mbs fibre products that can only be used upto 80 mbops?"

No, because to get such a link you have to enter the details of your premises into the supplier's coverage and speed web application. You can try it for yourself if you like, at the site of the rural broadband initiatives suppler, Callflow UK. There you will find that they advertise 100Mbps then state "Up to 80Mbps Download & 20Mbps Upload ".

Seriously, why would I bothered to lie to you about this as you seem to be implying?

Lotaresco

Re: Don't shoot/kill the messenger...

"Reading the comments here...boy, so much misinformation."

Yes, most of it coming from Anon. Cowards who snipe at others.

If you're worried about your network traffic being transmitted over copper, WTAF do you do within your premises? Someone was complaining earlier that 1 ft of copper would make 5km of fibre irrelevant. I wonder how he, it has to be a he, connects his PC to his home network?

"maybe, at 100Mbps+ G.fast signals over copper, not a chance."

Oh right, I must be imagining the Gb over copper network on UTP we already have then?

Lotaresco

Re: it makes more sense to not have FTTP

"And in reply to Lotaresco, they don't have any fibre flapping around in the air, they perform "micro-trenching" which just means digging a little trench not-very-deep."

If only you understood more than the limited amount that you do. You can't trench across a road without disrupting traffic, this costs money and takes time. It's more usual to do this using a mole so that there's no need to break the road surface. This isn't as cheap as cable providers like. It makes sense to provide cable via trenches in urban areas where adoption rates will be high enough to pay for the work.

However, if you bother to look in rural areas you will see that the cable duct runs down one side of the road (only) meaning that you need to reach premises on the other side of the road somehow. The solution used by *all* providers in rural areas is to run a cable up the nearest pole and then from there to the premises. If you bother to look you'll see that the cable flaps about. A lot.

This is what most rural roads look like. Notice how the poles are on the opposite side of the road to the housing.

Rural Telecoms

Also if you don't bury fibre sufficiently deep under a road, it will break because those trucks pound the road. One way to do traffic monitoring is to bury a fibre optic under the road and monitor the deflection.

Heck but I've only been designing networks for a few decades. What would I know, eh?

Lotaresco

Re: Available but not realistic

"Do you really want to rely on a decent 4G connection, when the school bus is late and there are a dozen teenagers waiting at the bus stop outside your premises?"

Given that there's no bus stop, no pavement, the area doesn't have more than a handful of teenagers and we're in the centre of a National Park plus there's no 4G at ground level but a strong signal on the roof of our premises because it's a tall building so we can put 4G aerials on the roof and use a DSL/4G router so that in the absence of 4G we can fail over to DSL, no I'm not really concerned. YMMV.