World-First VDSL2 Demo Gets 500Mbps Data Transfers
pnorth writes "Ericsson has achieved data transfer rates of more than 500Mbps in what it said is the world's first live demonstration of a new VDSL2-based technology. The demonstration achieved data rates of more than 0.5 Gbps over twisted copper pairs using 'vectorized' VDSL2. Vectoring decouples the lines in a cable (from an interference point of view), substantially improving power management, and reduces noise originating from the other copper pairs in the same cable bundle."
Now I know what will be deployed around here 300 years from now. I can't wait.
"I use a Mac because I'm just better than you are."
Too bad the US will never see it.
That should improve their mobile phone business a lot!!!
What?? a cable trailing behing me you say?? I have no idea what you mean!
"Where the technology does have great applications is among Fibre-to-the-Building deployments in commercial areas.
"You might have fibre connected from the DSLAM to the basement of an office building," Goodwin said. "You can then run bonded VDSL2+ up into all the other floors.""
Apparently it's cheaper to roll out fibre to the home these days for new installs and the existing copper to the home is insufficient for last mile where there is fibre to the street (junction)...so looks like it's great for business use or specific regions which fit into some window of installation where they put in redundant copper to the home with fibre to the street.
A fool throws a stone into a well and a thousand sages can not remove it.
FTA: "It showed aggregated rates of above 0.5Gbps at 500 metres, bonding six lines."
So if you happen to have six unused lines lying around and happen to be within half a kilometer of the fiber node and nothing else goes wrong you could get 500Mbps. Realistically you won't be that close to the node, you won't have that many spare lines, and for the sake of a "consistent user experience" (hi AT&T!) you'll get the same craptastic service that someone at least 1km out with at most two pairs would get.
But some PHB will decide to deploy it because his spreadsheet says that FTTH is too expensive, even if it is a one-time expense, and marketing swears that most people can't tell that their upstream is slow and their HDTV channels have been recompressed into mush. The only people who would notice are the ones who'd buy high-end service tiers if they didn't suck...
It will just be throttled.
---- Booth was a patriot ----
People keep complaining about the US...
But frankly, the Japanese show us how fast and cheap it can be. And what do we have? 25MBit downlink is considered the best you can get without selling your first-born here in Switzerland.
It's nice that humankind as such is able to transmit data like that, but unless the populace gets to enjoy that technology at a reasonable price, I don't quite see a point in getting excited.
It's blazing fast for dsl, but it's still dsl. You might find a way to make a snail slide along at 3 mph. That'd really shake up the racing-snail community, but don't think you'll be entering that snail into a horse race any time soon.
All fun aside, I suppose this is useful to a lot of people, and a great tech achievement. I'm just pretty confident that by the time it's consumer-ready, there will be much faster alternatives in place.
What is the role DLS today in the broadband world? Is it merely a bandaid for places with no other options, or something more that I am missing?
That's a blu-ray movie download in 10 minutes.
They're missing the tightly integrated monitoring/filtering scheme that will have to exist before the MAFIAA lets deployment occur.
Too bad that when the day this technology is deployed monthly bandwidth caps will probably be the rule. It would be nice being able to run a proper server at home (can't afford T1,and adsl here in Spain have very restricted upload capacity), without worrying about hogging your bandwidth with pr0n and torrents. We'll see how this goes.
When my Karma level reaches 0 I feel in piece with the Universe
A much greater distance from the DSLAM would be much more needed than the improved speeds. Many people in rural areas can't get anything and would be happy with 5 Mb down if they could just get it.
transporter_ii
Doctors destroy health, lawyers destroy justice, universities destroy knowledge, religion destroys spirituality
"Its speed is best over thye hundreds of metres," he said. "But beyond 1km you will find that ADSL2+ is actually faster."
Which means that it will do nothing for the people who complain about speed now, either being unable to get broadband or only get a slow link. Actually it will probably make things worse for them as the web designers in "connected" cities decide that they can have high-definition video on their web-site front pages. Many people have to wait five minutes to see the existing flash pages.
There is this portuguese company called "PT InovaÃão" that developed a far superior technology that holds 100 Mbps@5 Kms. Whay should they be working on improving bandwidth in a technology with such short range capabilities? If you get fiber that close, you might as well go all the way to FTTH...
VDSLv2 gives you 100mbps. Technically, they would only need 5 lines to reach 500mbps, but I imagine ther "500mbps" is actual throughput, thus the requirement of a 6th line to reach this figure. However, this is with bonding. They could have just as easily claimed 10gbps speeds, by bonding 20 lines. VDSL2 bridges are readily available and bonding isn't anything special. The summary, the article, and the whole press release is just bull.
As for if this is good idea or not, it depends on the distance. This only makes sense for distances between 100m and 300m. Otherwise, there are better options. If your distance is shorter, run Ethernet. If your distance is longer, you're either going to lose performance or consider running fiber.
For the rest of us, we still are OOL.
Now I can exceed my "realistic" 20gb cap in ~40 seconds...
Not so spread out. Examine a map of population distribution. Note all the white and yellow around the middle and all the blue along the coasts and readjust your math.
It's not as dense as Japan by any means, but upgrading infrastructure is plenty feasible, provided you can dislodge the incumbent interests.
upon the advice of my lawyer, i have no sig at this time
What does it matter? Some ISP will cap you anyway. Look out for the tax or the charging of going over your monthly cap.
Going to play out just like the cell phone business.
Pay for text, pay for bits.
Oh please, I live in Sweden. We have a population of a few million spread over a country that ranges from north of the arctic circle all the way down to Denmark and our connections are decent. Heck, my uncle lives in a tiny town with maybe 10.000 people in it, far enough north that some days during the winter the sun will never rise, and yet he has fiber running into his living room.
Population density is the most rubbish excuse I've heard for why US internet is crap. Reality is that your ISPs are ripping you off because your government has failed at addressing abusive cartels and monopolies, even promoting them in some cases.
Oy.
You gotta compare similar statistics. You're comparing one measure of urban population with a completely different measure of urban population. It's worse than comparing apples to oranges. More like comparing apples to lumber.
But then I could download my daily dose of porn in two minutes!
Rural area, att/bell south. Lucky to get anything above 28.8 anymore, and they have no plans whatsoever to improve service that I have been able to determine from them. The last place we lived, which was way, WAY the heck more out in the sticks and up multiple dirt roads, was/is served by a smaller community telco and unfortunately for me but good for everyone else there, just when we were moving that little telco ran really decent thick underground copper to EVERY residence in their area that needed an upgrade, so they could offer good quality broadband, etc.
My conclusion is, if it is profitable for those little bitty service providers to do it, the only reason the larger ones don't is because they are complete jerks about things and outright lying about what it costs them.
Darn, if only I had this argument ready when I had to learn the irregular verbs of German.
Well, schoolers don't have that much choice anyhow.
Nor Historico-Political hindsight.
And no, we're not grateful. Basically because 5 years (three, in fact) of right won't correct the following 50 years of wrongs.
This is fraud because they bonded multiple pairs. Yeah I can run a hundred pairs of wire in parallel and get amazing transfer rates, but I can do that with current technology and transmission rates and it means nothing except that I can spell "parallel data transfer". Speeds should be measured by the single wire-pair circuit only! This used more wire pairs than most customers have coming into their houses.
"It's the height of ridiculousness to say for those 9 lines you get hundreds of millions."
To: VP of Operations, MegaTelco
CC: VP of Research and Development, MegaTelco
Gentlemen,
Congratulations to the R&D boys who have come up with this wonderful new technology.
Now, please make certain that this is kept under wraps for as long as possible so that we can squeeze as much money as possible out of our current customers who are paying for "special" data circuits. We'd like to continue to keep them bent over and taking it deep for as long as possible. We don't want to cannibalize our revenue stream until the competition forces us too and we are positioned to then squash that competition through a combination of lax regulation and our monopoly status. It's our wire, god dammit, and we're not going to let "innovation" give our customers anything better until we're good and ready to let them have it.
And in the future after you've invested in this technology that approaches the limits of copper, you'll find that your neighboring building isn't finding any such limit because he did what you should have done: drag the damned fiber optic cable.
He'll save money too because he'll be working with commercial off the shelf equipment available at NewEgg. As his speeds go up to 100Gbps per strand you'll be standing there with your copper in your hand going "lol wut?"
Help stamp out iliturcy.
Allow me to introduce you to the contiguous states of Kansas, Nebraska, and South Dakota. Just those three states combined are larger than Sweden with a dramatically lower population density.
I live in Kansas. Population density in the US *is* a problem for broadband. Most Europeans I know had trouble grasping the midwest until they actually came here.
Good idea, but most mobile internet Terms of Service specifically prohibit using it as a "replacement for a landline" (WTF?)
Some even throttle you back (for a month or so) if they've seen too much traffic on one tower for too long.
So far in my experience, Sprint does not throttle, cap or limit.
They have something in their TOS about not using it to replace a landline, but I've had my Sprint card plugged into a Linksys WRT54G3G-ST for over a year on their $59.99/month unlimited business plan (the "business" part may be important, but you're a home business, right?) and I can report that it pretty much is unlimited, and they've never throttled it.
One time I glanced at the usage part of the bill and wrote in the commas to separate the thousands, millions and billions on the "bytes used" - it came to something like 5TB that month.
If you think about it, you're not using it to replace a landline, you're using it as something better.
Putting moderation advice in your
Why are we spending money to attempt to squeeze more life out of an obsolete technology? Twisted pair copper is an absolete technology and it makes no sense to continue to use it as the infrastructure is aging and not very reliable in some areas. No wonder we are behind the curve of Japan when it comes to broadband and communications. They have already laid fibre that is capable of similar data transmission rates. I never liked DSL anyway, it is slower than cable. A much better investment, and our sitting president would agree, is upgrading our infrastructure nationwide to fibre optics.
Calling a population of 10k a "tiny town" already reveals a disconnect.
"2009 we are at about 10mbs/15mbs (with paying extra for 15mbs)" wtf??
i'm on 100mbit/100mbit unmetered FTTH :)
Huh, how does your argument explain the atrocious state of high speed internet access in high density regions like the San Francisco bay area, home to Silicon Valley?
If you're lucky you get take it or leave it choices of slow DSL over decades-old copper, capped down to whatever the wires support, or $65 cable modem that becomes unusable in the evenings.
This has no use for home users as you've only one TP into the house.
Allow me to introduce you to northern nevada. I live in the only town within a 20k square mile area. you know the area on maps where it says less than 2 people per sq mile? what they mean is WAY less than 2 people per square mile.