i just got hooked into a 5MB cable modem speed and was wondering what optimaztion i could do and if cable modems are designed to handle this kind of bandwidth.
can cable modems handle 5-6 MB's bandwidth?
- Thread starter hclarkjr
- Start date
- Oct 25, 1999
- 29,553
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- 126
Easley, even with their hands tied behind their back.
There is usually no setting in the Modem, but you can optimize the computers for Cable connection.
Link to: Optimizing & Measuring the "Speed" of Internet Connection.
:sun:
Cable modems can easily handle this kind of bandwidth. The only thing keeping you from max bandwidth are two things. One is DOCSIS provisioning which is where your service provider limits you to a certain speed. Second is your neighborhood competition. Each person on your local cable loop is competing for the same bandwidth as you. If you were the only cable modem on your block, and you were very close to the CMTS (Cable Modem Termination System -- the other end of where the cable line hooks up to), you could theoretically reach 30+ Mbps.
I should know, I'm a Linksys Cable Group Product Engineer.
I should know, I'm a Linksys Cable Group Product Engineer.
SunnyD
Belgian Waffler
Originally posted by: qaa541
Cable modems can easily handle this kind of bandwidth. The only thing keeping you from max bandwidth are two things. One is DOCSIS provisioning which is where your service provider limits you to a certain speed. Second is your neighborhood competition. Each person on your local cable loop is competing for the same bandwidth as you. If you were the only cable modem on your block, and you were very close to the CMTS (Cable Modem Termination System -- the other end of where the cable line hooks up to), you could theoretically reach 30+ Mbps.
I should know, I'm a Linksys Cable Group Product Engineer.
In bold, which is why DSL is better than cable... but not.
5MB != 5Mb
regardless I think I know what he means, and there are registry tweaks from what I have heard.
Originally posted by: SunnyD
Originally posted by: qaa541
Cable modems can easily handle this kind of bandwidth. The only thing keeping you from max bandwidth are two things. One is DOCSIS provisioning which is where your service provider limits you to a certain speed. Second is your neighborhood competition. Each person on your local cable loop is competing for the same bandwidth as you. If you were the only cable modem on your block, and you were very close to the CMTS (Cable Modem Termination System -- the other end of where the cable line hooks up to), you could theoretically reach 30+ Mbps.
I should know, I'm a Linksys Cable Group Product Engineer.
In bold, which is why DSL is better than cable... but not.
Sorry. As a technology cable is much, much, much, much, faster than DSL.
I repeatedly get 20 Mbs on my cable. It all depends on the provider and nothing else. But as far as "which is a better technology?" Cable by far.
But then again I understand what you are saying. "Its dedicated bandwidth" Well that is true to a certain extent but with DSL you are still limited by the "last mile", the copper and equipment. With cable you are limited by "who wants to rape it the most"
so technology wise cable is far superior.
But all this talk of what techology is better is meaningless because ultimately it is up to the provider to do what they want with it. the "but there are other people on your node" is a worthless argument, IMHO. Its like saying "but it depends on how many people are making phone calls in your neighborhood."
The choke is not at the local loop.
- Oct 25, 1999
- 29,553
- 430
- 126
Now let see.
I have a 3Mb/sec. Verizon DSL I get a solid stable 350KB/sec. download (I am only few hundreds feet from the DSLAM).:thumbsup:
I also have 6Mb/sec. Cable RR, I get about 700KB/sec. download off time and about 550KB/sec. Peak time.
So I guess 350KB/sec. stable is better then variable ?Speed? 550- 700 KB/sec.:shocked: Hmm I do not think so, 550 is better than 350 and 700 twice the speed.
However, money wise the DSL is half the price of the Cable.:thumbsup:
So Jack the DSL is cheaper. I.e. better???:light:
Well Yes and No, it is less expensive but for my work, I need the extra seed that is provided by the Cable, so for my specific need the Cable is far better.:thumbsup:
:sun:
I have a 3Mb/sec. Verizon DSL I get a solid stable 350KB/sec. download (I am only few hundreds feet from the DSLAM).:thumbsup:
I also have 6Mb/sec. Cable RR, I get about 700KB/sec. download off time and about 550KB/sec. Peak time.
So I guess 350KB/sec. stable is better then variable ?Speed? 550- 700 KB/sec.
:shocked: Hmm I do not think so, 550 is better than 350 and 700 twice the speed.However, money wise the DSL is half the price of the Cable.:thumbsup:
So Jack the DSL is cheaper. I.e. better???:light:
Well Yes and No, it is less expensive but for my work, I need the extra seed that is provided by the Cable, so for my specific need the Cable is far better.:thumbsup:
:sun:
SunnyD
Belgian Waffler
I was not referring to overall use, hence the "... but not." I've had both, at the time both were 3Mbps down, and DSL was rock solid stable. Then again, so was cable. Cable was about 2x the price.
Cable has theorhetical speeds far greater than DSL, and is currently showing it with the latest speed bump, cable's pipes in most areas are nowhere near saturated yet.
DSL has some life left in it, but it's really a bandaid technology. FIOS is the way of telco future. Another story for another day.
And Spidey... how in the hell are you getting 20Mbps down? Aside from an uncapped modem... While I don't doubt that your loop is not saturated to get those speeds (meaning your neighborhood is sparse?), my question is what cable co. do you go through and did they authorize those speeds?
Cable has theorhetical speeds far greater than DSL, and is currently showing it with the latest speed bump, cable's pipes in most areas are nowhere near saturated yet.
DSL has some life left in it, but it's really a bandaid technology. FIOS is the way of telco future. Another story for another day.
And Spidey... how in the hell are you getting 20Mbps down? Aside from an uncapped modem... While I don't doubt that your loop is not saturated to get those speeds (meaning your neighborhood is sparse?), my question is what cable co. do you go through and did they authorize those speeds?
He's probably the head of a cable provider...I've never heard anyone w/ any speed > 6 Mbps on cable modem
Check the brand. Some Castlenet and Terayon modems aren't capable of more than 4Mbps.
Comcast offers 4400kbps, 6600kbps and 8800kbps tiers now.
Comcast offers 4400kbps, 6600kbps and 8800kbps tiers now.
I was one of the first in my city to get cable modem back in 1999 through the @home offerings. I think my equipment was never factored into the control systems. Needless to say I've never called to complain.
You're sooo lucky.
I thought the DOCSIS spec requires the configuration file be downloaded to cable modem each time it boots...or is the bandwidth not part of the config file?
I thought the DOCSIS spec requires the configuration file be downloaded to cable modem each time it boots...or is the bandwidth not part of the config file?
SunnyD
Belgian Waffler
Hmm... I have a Terayon... I get my 5Mbps (~550KBps).
Comcast also offers capped monthly bandwidth with all of their packages too...
Yeah, they just don't bother enforcing it.
Some Terayons. Depends on the model. If you want I can find out, but it'll be tomorrow.
I think the "which one is better" debate is essentially useless for 90% of the population, if not more. Shared bandwidth if, IMO, a valid argument as it's a primary reason why I don't have cable. Price and despising the provider are the other two, but that has nothing to do with which is better. Cable is a better technology? Sure is, I think we've known that for quite some time most of us at least. But DSL being a so-called "bandaid" technology...does that make it an inferior product? A patchwork product that can give me near 100% uptime and constant 3Mb download speeds for less than cable, hell that sounds good to me! Of course I'd LOVE to have the bandwidth-raping abilities of cable, but then again I can't really justify the price. Btw, my DSL has no cap, well the 1-3 and 4Mb versions don't.
And Spidey I'm calling your provider and ratting you out. No fair!!!!
And Spidey I'm calling your provider and ratting you out. No fair!!!!
The cable co does send connection information down to your modem, which then enforces the policy. They have all kinds of encryption & hashes on that data, btw, which is why cable modem hacking has become much less prevalent. Pre-DOCSIS modems, however, don't do that - they generally go as fast as they can go ... the vast majority of CMTSs out there still support pre-DOCSIS stuff (there are tons of legacy customers on pre-docsis modems out there), so you get uncapped connections.
Don't tell anybody, call support or anything spidey - they'll come and yank your modem. They replaced my pre-docsis cable modem when my line went down, been < 1/2 the speed ever since. :-(
edit - spelling
Don't tell anybody, call support or anything spidey - they'll come and yank your modem. They replaced my pre-docsis cable modem when my line went down, been < 1/2 the speed ever since. :-(
edit - spelling
For real? Yowza. I didn't think that was possible with DSL the way it is now. Huh, learn me to stay out of the loop.
Well I was surprised as well, don't know what the technology is and I can't find it on verizon's page.
Very cool, well if you find out let me know. I thought DSL's max was theoretically 10Mb or so? Just guessing, it's been a long time since I've really paid attention to Cable/DSL. Imagine the price on that package.
Originally posted by: spidey07
Originally posted by: SunnyD
Originally posted by: qaa541
Cable modems can easily handle this kind of bandwidth. The only thing keeping you from max bandwidth are two things. One is DOCSIS provisioning which is where your service provider limits you to a certain speed. Second is your neighborhood competition. Each person on your local cable loop is competing for the same bandwidth as you. If you were the only cable modem on your block, and you were very close to the CMTS (Cable Modem Termination System -- the other end of where the cable line hooks up to), you could theoretically reach 30+ Mbps.
I should know, I'm a Linksys Cable Group Product Engineer.
In bold, which is why DSL is better than cable... but not.
Sorry. As a technology cable is much, much, much, much, faster than DSL.
I repeatedly get 20 Mbs on my cable. It all depends on the provider and nothing else. But as far as "which is a better technology?" Cable by far.
But then again I understand what you are saying. "Its dedicated bandwidth" Well that is true to a certain extent but with DSL you are still limited by the "last mile", the copper and equipment. With cable you are limited by "who wants to rape it the most"
so technology wise cable is far superior.
But all this talk of what techology is better is meaningless because ultimately it is up to the provider to do what they want with it. the "but there are other people on your node" is a worthless argument, IMHO. Its like saying "but it depends on how many people are making phone calls in your neighborhood."
The choke is not at the local loop.
I agree that Cable is superior to DSL. I have used both personally in several situations. I have found that DSL seems to have higher latency. This is no doubt caused by the filters and old lines it has to travel through. Not to mention, I have never received my DSL rated speeds within 25%. I know that the 1.5 megabits is an ideal speed and thus, will never be achieved, but on average I am getting around 1 megabits on a good day. My latency seems to be around 90 for the closest CS server. When I was on Cable, my Latency was found down to 40, easily.
But after all this is said, even though Cable users share a segment, it is unlikely that you will face slowdowns as a result. You have to remember that we all share the backbone lines anyway... So, even if you do have a 30 megabit connection, what sever is going to send to you that fast? Not many... In fact, the majority of your downloads will be limited by the servers upload cap per person. Else someone else will steal it all if it goes uncapped.
With that said, I think both technologies are great, but I do prefer cable, even though it is more expensive.
update on verizon.
I goofed. It is NOT DSL.
Its fiber.
http://www22.verizon.com/FiOSforhome/channels/FiOS/root/package.aspx
I goofed. It is NOT DSL.
Its fiber.
http://www22.verizon.com/FiOSforhome/channels/FiOS/root/package.aspx
When I heard of Verizon's FIOS service some months ago, I got all psyched and called them immediately, only to find out that the service is on trial basis, only available in very limited areas.
I wish similar service could be deployed nationwide...I'll sign up soon as it's avaiable.
Now, could someone please post if you know any pre-DOCSIS modem that I can get online to get the uncapped bandwidth?
I wish similar service could be deployed nationwide...I'll sign up soon as it's avaiable.
Now, could someone please post if you know any pre-DOCSIS modem that I can get online to get the uncapped bandwidth?
I have one for sale.
5000 bucks. Oh, and you have to personally pull it from my clinging fingers as well.
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