-- | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at
Broadband speeds
-- Les Cargill
"Jim Thompson" wrote in message news: snipped-for-privacy@4ax.com...
Performance enhancing seeds?
Cheers
=A0 =A0...Jim Thompson
Nobody seems to remember SneakerNet, when you copied your file onto and 8" floppy and walked it across to its destination.
-- Bill Sloman, Nijmegen
Good story made the news around the world. Bit hard on Telkon though.
Although highly amusing as a report it isn't far off what you would expect for a basic ADSL connection on old copper wire. ASDL is by design assymetric - bulk uploads are typically a factor of between 4 and 10 times slower than downloads. So if they have a poxy 1MB line with
250kb/s upload ~25kb/s => 40s /MB then 4GB will take 4000x longer ~ 43h.The pigeon will win hands down if it takes only a couple of hours - with even better data rates if they use 8GB or 16GB pigeon friendly media.
Regards, Martin Brown
Bill Sloman Inscribed thus:
Easier than carrying a box of punched cards down to the data room !
I use SneakerNet 3.0. Copy the data onto a USB memory stick and carry it to the other computer.
There was a report that in South Africa someone is sending data by putting SD memory cards on carrier pigeons. The transfer rate is higher than the local "high speed" internet.
On a sunny day (Fri, 11 Sep 2009 14:08:46 +0100) it happened baron wrote in :
I'v been mailing CDs and DVDs for many years. It is only recently upload from my site is faster. But Blu-Ray then wins again. Especially when you need to send to more then 1 destination, snail mail is faster. And not every destination has a DSL connection either.
I participated in one like this just a few years ago, although we used CD-RWs. ;-)
Cheers! Rich
In the 1980's in a BBS network I once saw a discussion about how Iceland was connected to the rest of the world. A person worked in the UK and spent the weekends in Iceland carrying floppies with him both ways :-).
Also in the 1980's a common wisdom was that nothing beats the transfer capacity of a truck full of 1/2 inch magnetic tapes.
In those days a few 14 inch 300 MB disk packs in a car could transfer quite a lot of data within a city. Of course at sub-zero temperatures, you had to be very careful that the disk packs did not cool too much, which might cause condensation, when moving the packs into a warm and humid computer room. Any condensation could cause head crashes, if the disk packs did not reach room temperature, before inserting into the disk drive :-)
Paul
As the old saying goes, "Never underestimate the bandwidth of a 747 full of tapes."
Cheers
Phil Hobbs
Apparently, the High-Energy Physics folk (CERN etc) prefer to send RAID arrays. When you're dealing with that much data, copying to/from tape takes too long.
In the days of 1200 baud modems and long-distance rates, it was faster and cheaper to give a guy a 9-track tape reel and a coast-to-coast airplane ticket.
John
Before FedEx it was my common practice to take a mailing tube with D-size drawings or stabilene layouts to the American Airlines ticket counter in Phoenix. They would give it to a pilot going to San Jose. My foundry guy would pick them up at the San Jose ticket counter.
Same day delivery for, IIRC, $36 ;-)
Of course this was back in the days when you could park at the curb, walk directly to the ticket counter, without a line... before TSA :-(
...Jim Thompson
As someone once said, never underestimate the bandwidth of a truckload of DVDs
Back when the pilot leaned out the window and yelled 'CONTACT' so the ground crew would hand spin the propeller. ;-)
Yep ;-)
I flew DC-3's Huntington-Boston-Huntington regularly from 1958-1962. My first trip to Phoenix was on a DC-7... Boston-Chicago-Phoenix, except it ended up being Boston-over Chicago-St.Louis-Chicago-Phoenix due to thunderstorms :-(
Then I regularly flew the infamous Lockheed Electra... even after the FAA enforced a speed limit... due to the wings vibrating and failing due to metal fatigue... falling off :-(
It used to have a stand-up bar in the back... that's where I learned to like Martini's ;-)
...Jim Thompson
While the wings fell off? ;-)
Fortunately not. There were (IIRC) three failures in rapid succession, they were grounded, then resumed operation with speed restricted. I always liked them, comfortable, lacking the shake-you-awake vibration of DC-3's ;-)
...Jim Thompson
That reminds me of the classic SNL skit where they are welcoming passengers to the airlines brand new DC-101s when the DC-10s were grounded.
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