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   Undertoad  Wednesday Feb 15 01:39 PM

2/15/2006: Data transfer via snail



As we used to say in the olden days, "Never underestimate the bandwidth of a station wagon full of magnetic tapes." Now that both station wagons and magtapes have gone the way of the dinosaurs, here is a new way to demonstrate high-bandwidth, high-latency data communications.

axlrosen suggests this item, which was Boing Boing'd. The idea was conceived and built at an Israeli internet camp to demonstrate this new data transport mechanism, called SNAP (SNAil-based data transfer Protocol).

The actual data is on the two DVDs which make up the wheels. Each DVD holds 4.7 GB of data.

Once it was proven that the data could be moved this way, they did the math to compare it to other data transfer methods:

V.34 modem: 28.8 kbps
ISDN: 128 kbps
ADSL: 1,500 kbps
Pigeons: 2,270 kbps
SNAP: 37,000 kbps

Once the Cellar is moved on Friday, it should be on a 10,000 kbps connection but you know, SNAP seems like a better way.



Elspode  Wednesday Feb 15 01:47 PM

Doesn't this transfer rate decrease rapidly with distance?



glatt  Wednesday Feb 15 01:52 PM

I saw the headline of this thread, and knew what it was because I had seen it on Boing Boing earlier. So I was all ready to throw the old "station wagon full of tapes" quote out there, since that was what I had thought of back when I saw it on Boing Boing.

This is a long-winded way of saying "I got nothin'."

Cool picture and experiment, though.



hampor  Wednesday Feb 15 02:00 PM

But just think of your ping times.



mlandman  Wednesday Feb 15 02:00 PM

GRRRR

If any taxpayers money went to this ridiculous project....

reminds me of nasa. I see the value in sending rovers to Mars. BUT note the following:

(a) When the rovers would 'awake' for the day, the Rover would actually play a wake up song. This song was changeable via transmitting new songs across space.

(b) the actual gate arrays in one of the custom asics were constructed to follow a pattern that made it look like marvin the martian from looney toons fame, when viewed under a microscope.

I can GUARANTEE you that implementing (a) and (b) cost hundreds of thousands of taxpayer money.

Ridiculous.



wolf  Wednesday Feb 15 02:04 PM

Perhaps. But it is COOL.



Happy Monkey  Wednesday Feb 15 02:28 PM

Quote:
Originally Posted by mlandman
I can GUARANTEE you that implementing (a) and (b) cost hundreds of thousands of taxpayer money.
Almost certainly not true for (b), since it had to be designed on a microscopic level anyway, and putting it in one pattern is equivalent to putting it in another.
The cost for (a) would depend entirely on how much of that capability was already there for mission-critical applications. When you say "play a wake-up song", I'm guessing you mean on its radio link to NASA, so sending MP3 or WAV data isn't particularly different from sending any other data.


Elspode  Wednesday Feb 15 02:34 PM

Quote:
Originally Posted by mlandman
If any taxpayers money went to this ridiculous project....
Well, if so, it was Israeli tax money, and who am I to tell them how to spend it?


mlandman  Wednesday Feb 15 02:35 PM

a point

Know why one of the rovers was down for a week after it got there?

Ran out of storage space.

I'm not kidding.

I work in very high tech, believe me the MANPOWER associated with the countless hours of Q&A to insure that every feature works properly is astounding for what we do, I can only imagine that NASA is much more stringent.



barefoot serpent  Wednesday Feb 15 02:59 PM

yes, but is it ISO9000 compliant?



chrisinhouston  Wednesday Feb 15 03:49 PM

I read the details at the website quoted and found it amusing that the lettuce router needs to be pulled unless butter and garlic are put on the front of the carriage prompting the snail to move forward and away! Also that there may be disruptions of service in France where snails are on the menu; too funny!



YellowBolt  Wednesday Feb 15 04:19 PM

This invention gives new meaning to the phrase "snail mail."



SteveDallas  Wednesday Feb 15 04:27 PM

Quote:
Originally Posted by barefoot serpent
yes, but is it ISO9000 compliant?
It should be, as long as all the operating procedures are thoroughly documented.


BigV  Wednesday Feb 15 05:21 PM

Quote:
Originally Posted by hampor
But just think of your ping times.
Sluggish, at best.


xoxoxoBruce  Wednesday Feb 15 07:11 PM

Quote:
Originally Posted by YellowBolt
This invention gives new meaning to the phrase "snail mail."
Instead of guns they use salt shakers.


Pancake Man  Wednesday Feb 15 10:02 PM

And it's still faster than RoadRunner...



manu  Thursday Feb 16 03:38 AM

Quote:
Originally Posted by chrisinhouston
I read the details at the website quoted and found it amusing that the lettuce router needs to be pulled unless butter and garlic are put on the front of the carriage prompting the snail to move forward and away! Also that there may be disruptions of service in France where snails are on the menu; too funny!
Good point
Then you just have to select the right species. In France people only eat burgundy snails, they have a light brown color (with garlic, parsil and butter ), so the one shown on the picture is not the one to eat, so this is french compliant
(BTW, people eat snails also in north africa, like Marroco, Tunisia, Algeria... and I guess in alot of other places as well)


xoxoxoBruce  Thursday Feb 16 04:26 AM

Sure, we eat snails here too. Well, some of us do.



dar512  Thursday Feb 16 09:51 AM

I bet the lag time for Doom would be horrible.



wolf  Thursday Feb 16 02:41 PM

One of my doc's plan for the future is to retire to his homeland and raise snails. He has jobs for all of us on his snail farm. I will be in charge of snail security. We will spend our mornings tending to the snails and in the afternoon retire to his porch and drink palm wine and smoke the finest weed that Western Africa has to offer.



Wombat  Thursday Feb 16 05:17 PM

Quote:
37,000 kbps
Over what distance?


footfootfoot  Thursday Feb 16 09:14 PM

Quote:
Originally Posted by BigV
Sluggish, at best.
ohhhhhh.

Don't you have a quest to attend to?


xoxoxoBruce  Friday Feb 17 02:01 AM




barefoot serpent  Friday Feb 17 11:28 AM

heh...
S-car go!



BigV  Friday Feb 17 10:39 PM

Quote:
Originally Posted by footfootfoot
ohhhhhh.

Don't you have a quest to attend to?
Busted.

:chastened:


footfootfoot  Sunday Feb 19 08:57 AM

Quote:
Originally Posted by BigV
Busted.

:chastened:
Well, mine's not original; I cribbed it from SWMBO.

hahah


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