Download Speed Up Without Upgraded ISP line.

  • Thread starter Thread starter Red Cloud
  • Start date Start date
R

Red Cloud

I don't know why my internet download speed gone up. Average Youtube
download speed has up from 91kb/sec to 125kb/sec with basic DSL
line. My internet service provider did not upgrade my line but I did
upgrade the CPU, 25% faster. It is not known CPU efficiency has
anything to do with internet download speed. Before the upgrade
CPU, the download average has never exceeded over 91kb. With new
CPU, it is around 125kb.
If CPU efficiency is the factor of download speed, all I need is the
fastest CPU.
Does anyone know about this?
 
Red said:
I don't know why my internet download speed gone up. Average Youtube
download speed has up from 91kb/sec to 125kb/sec with basic DSL
line. My internet service provider did not upgrade my line but I did
upgrade the CPU, 25% faster. It is not known CPU efficiency has
anything to do with internet download speed. Before the upgrade
CPU, the download average has never exceeded over 91kb. With new
CPU, it is around 125kb.
If CPU efficiency is the factor of download speed, all I need is the
fastest CPU.
Does anyone know about this?
Click to expand...

Using Youtube is not a very good test case.

Try an FTP file transfer or an HTTP file transfer, from
a site which is known to have good transfer rate. You should
find, that the CPU made no difference.

ADSL has two speeds. There is "the speed you paid for". Say
that is 3mbit/sec for example. Well, there is a setting called
the "profile", and the ISP could adjust the line for operation
at 1mbit/sec because the line noise is high. By doing so,
there will be fewer data retransmissions, there will be more
noise margin, and the modem will not be "re-syncing" all the
time (during which there is a short outage). Using a "profile"
is a stupid concept, because all of that could be automatically
handled in hardware. But, that's how they manage it. My profile
is set pretty low, for the conditions on my line right
now (I'm reasonably close to a remote concentrator, so my
line should run flat out - it wasn't always like that). Before
we had the remote box at the end of the street, the signal had
to go many thousands of feet, to the CO in another neighborhood.
Now, there's no longer a technical excuse for poor performance.

It's like a car manufacturer installs a turbo in your car...
and then installs a governor that prevents the engine from
going above 2,000 RPM :-) That's how clever our telephone
company is. Of course, when they advertise the car they have
for sale, the word "turbo" is prominently featured, while
the fact a "governor" is present, is not mentioned anywhere.

Paul
 
Using Youtube is not a very good test case.



Try an FTP file transfer or an HTTP file transfer, from

a site which is known to have good transfer rate. You should

find, that the CPU made no difference.



ADSL has two speeds. There is "the speed you paid for". Say

that is 3mbit/sec for example. Well, there is a setting called

the "profile", and the ISP could adjust the line for operation

at 1mbit/sec because the line noise is high. By doing so,

there will be fewer data retransmissions, there will be more

noise margin, and the modem will not be "re-syncing" all the

time (during which there is a short outage). Using a "profile"

is a stupid concept, because all of that could be automatically

handled in hardware. But, that's how they manage it. My profile

is set pretty low, for the conditions on my line right

now (I'm reasonably close to a remote concentrator, so my

line should run flat out - it wasn't always like that). Before

we had the remote box at the end of the street, the signal had

to go many thousands of feet, to the CO in another neighborhood.

Now, there's no longer a technical excuse for poor performance.



It's like a car manufacturer installs a turbo in your car...

and then installs a governor that prevents the engine from

going above 2,000 RPM :-) That's how clever our telephone

company is. Of course, when they advertise the car they have

for sale, the word "turbo" is prominently featured, while

the fact a "governor" is present, is not mentioned anywhere.



Paul
Click to expand...

Good post. When I was near a Fiber Optic line in California my speeds for DSL were way up. I also found that cable modems are pretty fast, about 3 MB/s which is fast enough for my purposes. They do have fiber optic FiOS inthe DC area, that I've not tried. And indeed a noisy line cuts your transmission radically, as I found out at another place that had crosstalk in the phone lines. When I physically switched phone lines the connection speedwent up 3x right away, said Speedtest.net

RL
 
I don't know why my internet download speed gone up. Average Youtube
download speed has up from 91kb/sec to 125kb/sec with basic DSL
line. My internet service provider did not upgrade my line but I did
upgrade the CPU, 25% faster. It is not known CPU efficiency has
anything to do with internet download speed. Before the upgrade
CPU, the download average has never exceeded over 91kb. With new
CPU, it is around 125kb.
If CPU efficiency is the factor of download speed, all I need is the
fastest CPU.
Does anyone know about this?
Click to expand...

With a four, thin-wire copper carrier for the telephone, when I called
for 3rd party to intercept the TELCO for data transmissions, as well
voice on a ADSL modem, that's what I got. And I've been through some
pretty crappy computers since ditching 56K datapumps with an upgraded
service that called for a TELCO contract and line test. There's three
ways, actually, to go at the lines behind me - a) fiber optic, b) a
dedicated carrier, c) POTs. When I talked to a carrier subcontractor,
he thought the fiber optic a load of crap;- I guess he just might,
being he's in direct competition for customer subscriptions with
them. Oh- and last thing, you should trust me on this - the dish
networks running boiler room sales operations for direct satellite
streams - you don't even want to go there.
 
Using Youtube is not a very good test case.

Try an FTP file transfer or an HTTP file transfer, from
a site which is known to have good transfer rate. You should
find, that the CPU made no difference.
Click to expand...

Try on HTTP speed, I got the same as youtube speed....My best bet is
my ISP did something. Probably they upgraded to FIO line without
changing my actually residental line to FIO. I usually experience the
fastest speed when I connect to
South Korea where their ISP line is the fastest in the world.
 
Red said:
Try on HTTP speed, I got the same as youtube speed....My best bet is
my ISP did something. Probably they upgraded to FIO line without
changing my actually residental line to FIO. I usually experience the
fastest speed when I connect to
South Korea where their ISP line is the fastest in the world.
Click to expand...

Actually, the ADSL modem can provide some information. But
it's not very easy to get. And the way I have my ADSL modem
set up, I don't think this software will work. (I run my modem
bridged rather than routed.)

http://img.mhilfe.de/DMT.gif

The tool is called DMT

http://dmt.mhilfe.de/

and rather than all the different copies of the software being
"versions", they're intended to handle different groups of modems.

The program may use something like TELNET to log into the modem,
and extract the statistics.

I don't know if there's any other, better way to do that.
I'm hoping one of the numbers displayed in there, represents
the profile value. In this example, the 6016 and 800 values
could be the profile. Not really sure. I think that software
is also supposed to estimate how high you could push it
and still have enough noise margin.

http://www.broadbandreports.com/r0/...c6e37367ce97194bfd9201c5/dmt20071206_1941.png

Note that even dialup modems had a capability like that (provide
info on each "frequency bin"). You'd run the dialup modem for
a session, then disconnect, and a certain AT command would give
the statistics of the connection. That was a way to get some
diagnostic info on the line quality. The DMT for ADSL modems
is conceptually similar.

Paul
 
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