what is better, T1 or cable modem?

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stiflersmom

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uhm, Im not really very knowledgable in the area of internet connections, so I was wondering which was better, a T1 connection or a cable modem? what about an ASDL?

the only thing I know for sure is that its not a 56k modem, which is what I have...... :-(
 

sirus-jtg

Mad Bomber
not really sure about anywhere else but my cable modem connection is just slightly faster than a t1 line on down speeds but i'm not sure about up, and adsl is just faster than cable. but really there all about the same so it's really about cost. but then someone with more knowledge than me can come and give exact specs
 

apURPLESANDWICH

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answers

ok, a t1 line is 1.5 megebits per second both download and uploading ALWAYS, it is a super reliable line(HDSL) that stays at 1.5 megabits per second all the time(no fluxuation at different times of day) cable, is FAST downloading, very fast"(I normally get between 1-3 megabits per second downloading(divide a megabit by 8 to get 1 megabyte)but isnt that good uploading(this is a gerneralization)
adsl is fast and blabh blah blah I have to get off now well it normally comes in 768/128 kilobites per second(there is different speeds) but blah blah its normally more reliable then cable got to go now.
 

Lizard Of Oz

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Oct 25, 1998
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Code:
Lizard	38.6 Kbps On a good day.
ISDN	64 Kbps to 128 Kbps
Cable	512 Kbps to 52 Mbps
ADSL	512 Kbps to 8 Mbps
T1	1.544 Mbps
T3	44.736 Mbps
OC-1	51.84 Mbps
OC-2	155.52 Mbps
OC-12	622.08 Mbps
OC-24	1.244 Gbps
OC-48	2.488 Gbps
OC-192	10 Gbps
OC-256	13.271 Gps Yeah Momma!
 

the~oreca

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Jul 10, 2000
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Do you know if I should go with Shaw/Rogers for my connection? I'm tired of NBTel.

Right now I have a ADSL wich I never seen go download at 512 K/second.
I guess i'm stuck with it because I think rogers offers ADSL and not a T1 or any of the rest Liz mentioned.
What should I go with?
And what's a OC-256?
 

Valk

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Certain kinds of DSL, namely ADSL can be faster than a T1 for downstream transfer rates. ADSL has a downstream limit of 8Mbits, and an upstream limit of 1Mbit. A T1 isn't going to be offered by your shaw/rodgers cable company. T1's are telco lines and are purchased from AT&t, MCI, Sprint...etc. Some local ISPs offer T1 service, but they just act as a middle man buying it from the local telco service. T1's aren't practical for home use as they require commercial grade telco connections, and most telco carriers won't install to residential locations. To top things off, T1 prices range from $900-1500 per/mo and this doesn't include the local loopback charges you must pay the phone company. :)

OC-256 is the fastest line speed available. It serves as the internet backbone in some areas. It's a fiber connection running at 13.27Gbps. This link http://www.geog.ucl.ac.uk/casa/martin/atlas/isp_maps.html has a bunch of cool pictures showing different networks and backbones. :)
 
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Gamma_Sword

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HOLY COW!

OC-256!!!!!!!! 13.271 Gbps!!!!!!!!

~ I WANT THAT NOW!!! ~

Okay... let's be serious... That thing will probably cost some million dollars to get it running... Oh well. But we all can hope when the time comes for such connection to cost only $20!
 

Lizard Of Oz

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Oct 25, 1998
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Code:
Time it takes to transmit 1 Gb over various connections:

Standard Modem	1 day, 18 hours, 37 min 
2 Channel ISDN	18 hours, 38 min, 29 sec 
Common DSL	4 hours, 33 min, 4 sec 
T1		1 hour, 32 min, 43 sec 
Ethernet		14 min, 19 sec 
DS3 (T3)		3 min, 12 sec 
OC3		55.23 sec 
OC12		13.81 sec
 

Gamma_Sword

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Uh... Lizard of Oz...

That Standard Modem speed... it's hard to believe that on an ordinary 56k modem you could achieve such feat.

Am I getting something wrong here? Because when I downloaded 180 MB of file, it took me 53 hours @ (about) 2.7 kbps. At 5.0 kbps it would take about half as long to download just 1/10 of an gig.

Really, in my rough math, it tells me that it would take something like 250 hours to get 1 gig file!

Hmm... that's not something I'd like to do on my connection!
 

(BoD) nepenthe

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Originally posted by the~oreca
Right now I have a ADSL wich I never seen go download at 512 K/second.

oreca, first you divide by 8 to convert to kilobytes. You get 64 KB/sec. Now mutiply by .93, which is about the max you can expect to ever get from a capped line. Now go tweak your registry on dslreports.com. Now download Download Accelerator Plus. Now try to download something from a fast server using DAP. Are you getting about 59 KB/sec? That's about perfect.

It's not only about the bandwidth, of course, especially if you've an eye toward online gaming performance. For instance, I have residential class Assymetric DSL. My pings to my gateway are 24 to 29. And the packets take a low priority route through the various servers. Business class SDSL will tend to come with a guaranteed low gateway ping (under 10 sometimes), guaranteed and equal download and upload speeds, and higher priority packet routes. Gaming would be enhanced. However, the price would be about 4 times what I pay and the download speed would be slower.
 

Gamma_Sword

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You're right...

Of course, but I've yet to see someone who actually downloads 1 gig file at such small amount of time!

Now that's the kind of speed I want for my slow modem! Go, modem, go!

Anyway thanks for clarification, Lizard of Oz!
 

Fomhoire

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I have 1.544Mbps/384Kbps (download/upload) ADSL here. Apparently it is not capped. The modem usually syncs at 1.536Mbps, but once in a while it is higher. I have briefly peaked around 2Mbps while downloading multiple files. I've seen uploads peak around 600Kbps. The average transfer rates I get are around 1.38Mbps/360Kbps. When factoring in all the hosed routers and congested pipes in the internet zone, the effective downloads during peak hours vary from 500Kbps - 800Kbps coming from the best servers. I get these speeds because I am 3000 feet by wire from the CO here.

So far since I've had DSL, not a problem other than a defective bridge (dsl modem). Unfortunately DSL or cable doesn't resolve issues with congested networks, and those are usually the limiting factors. You don't realise this on a 56k connection, but when you route across something with packetloss, you notice the slowdown right away.

Unfortunately aren't as many competitive choices for DSL because the phone companies have managed to make provisioning for resellers such a hassle that it drives up the labour costs for those companies enough that they can't make a profit. Without the competition, the service gets worse. Some of the telcos are going to cut back on download speeds, and cap uploads. PacBell has recently capped them at 128Kbps, and Verizon caps at 90Kbps, soon to be 64Kbps.

If you think they are doing this because they don't want you to put up a server, you are right. Some of them have recently added a "no server" clause in the terms of service. If you want to purchase higher upload speeds, that is going to cost you around $200 for 384K uploads with PacBell DSL. That is up from $89 a few months ago. The idea here is this price increase is not worth it for residential customers. Currently, the best DSL offers are through Covad, so if you are looking to get DSL, that is the first place to look.

Cable usually has faster downloads, but they cap speeds in many places too. Again, they hope to stop people from hosting servers. It is generally less problem-prone than DSL for people that don't live next door to the CO like me. People around here have it, and it generally works well, but even though they are supposed to get 4Mbps downloads, nobody is downloading any faster than I am with my DSL, and they currently require a cable TV subscription, so you have to pay for TV even if you don' watch TV, so it is around $70 a month here. The rumour is they are doing away with that requirement this summer, so it will cost $50 a month. The problem with getting cable access here is they cancel you if you run a server, have bandwidth use limitations, make it a hassle if you change network cards cuz they authenticate with the Mac address, and are generally communist in their thinking, just like the phone companies and their DSL policies.

Anyway, I've typed enough. Just had to add my 2 cents.

And I just realised I can't use ALT+255 for the cents symbol in BeOS.
 

(BoD) nepenthe

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Fommy, if you have 1.5m download speed, your downloads should be around 183 KB/sec. KiloBYTES. Right?

I remember some 'no server' thing in my agreement with then GTE (now Verizon).

I have the 768/128 ADSL from Verizon and my upload speed is still a smooth 121 kbits/sec. Download is 721 which translates into downloads that max out at about 88 KBytes/sec or 90 with one 4 stream DAP.
 

Fomhoire

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Yup, that is what I normally can expect to peak at.

Verizon is one of the worst when it comes to servers. I don't think it is the bandwith issue as much as it is a controling mentality issue with them.