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[Speed] DOCSIS 3.0?I'm on the 15Mb/s plan in Greenville NC. Is there any benefit for me to use a DOCSIS 3.0 modem?
Thanks in Advance. |
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Yes in the sense that you'll be connecting across 4 channels instead of 1. No if you're hoping for faster than 15 on the 15 package. |
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WEEDmonEl Loco join:2007-04-26 Greenville, NC |
WEEDmon
Member
2012-Nov-27 11:51 pm
I'm confused....why is it better to be connected across 4 channels instead of 1? Like what's the benefit of that? |
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LBKANON
Anon
2012-Nov-28 1:54 am
I believe every 1 channel has a theoretical limit of 38 mbps to it. So you, along with the other users on your node connected to that channel have 38 mbps to share among each other. With 15mbps, all it takes is 3 users on your node maxing out their connections, connected to the same channel to start impacting your speeds. When you're bonding 4 channels, your data is distributed over all 4.
Although this isn't a great example, think of a highway having more than 1 lane. Even if there is construction (too many users/congestion) in one lane, you're free to take any of the other lanes that are empty.
Basically, if too many users on your node are connected to the same channel as you, speeds can (and more than likely will) dip at peak times when everyone is using their connection without bonding. Bonding to multiple channels will take enable you to grab available bandwidth from all channels you're connected to instead of just 1.
Higher speed packages require D3 modems because one 30mbps subscriber for example, will use almost all the bandwidth available on one channel. |
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to piratefan2
Docsis 3 modems, with the correct contract, are able to use the wideband interface which has its own bandwidth and is significantly higher. |
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WEEDmonEl Loco join:2007-04-26 Greenville, NC |
to LBKANON
Gotcha. So in other words, if one of the 4 channels your bonding too is congested or is heavily used, then it will go to one of the other 3 channels that are less used/less crowded/less congested so you will still maintain your fast speed your subscribed too. Is that right? |
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LBKANON
Anon
2012-Nov-29 1:21 pm
You got it. Although I believe your data will be split up through all channels you're connected to. A little bit on each channel. I know D3 helped me a lot, because I wasn't hitting my 15mb during peak times with my old D2 modem. Speeds would drop to 7-8mb during the evening. I upgraded to 30mb with a D3 modem and I get 31 or 32mb all the time now. In my market (Lubbock, TX) we have 8 bonded downstream channels. |
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WEEDmonEl Loco join:2007-04-26 Greenville, NC |
What about upload. Do you think Suddenlink will ever bond our upload speed or are they in the process of doing that? |
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Suddenlink can bond upstream in Lubbock with it's current (new) CMTS platform but they choose not to.
Although you may have 4 channels-that is great-they are often spread amongst 2, 3 or 4 nodes. This is all dependent on how many ports they have available on the CMTS(s), and how the wiring is done in the headend. So you could have anywhere from 200 to 750 modems on one set of 4 channels, or in Lubbock's case, 8.
Upload channels are often spread amongst multiple nodes also. They just don't need to bond with the crappy upload speeds they offer right now. One 64 QAM channel is enough for the time being.
Remember that voice also has its own DOCSIS channel as well as all the VOD DOCSIS channels-these take up space also. |
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Channel bonding 2 megs up...... I'm pretty sure SL staff asked themselves also, 'Why bother' |
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Thanks for all of the info in this thread.
I ended up getting a Cisco DPC3010 modem. I also upgraded to the 30Mb/s service. Everything seems to be working fine.
Is there a way I can monitor the modem to see if I am bonded to 4 or 8 channels? |
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Look at the signal stats page. Pretty sure though that only test markets are getting more than 4 channels right now |
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HarryH3 Premium Member join:2005-02-21 |
to piratefan2
Open a browser, go to » 192.168.100.1 and you should be able to see your modem stats from there. |
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to moldypickle
8 Channel downstream groups are nice. |
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to HarryH3
Thanks! |
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mtrot join:2006-03-26 Tyler, TX Netgear CM600 Netgear R7000
1 edit |
to piratefan2
Well, I'm on the 15Mbps plan in Tyler with the D2.0 modem that comes if you get their phone service. Up until the last couple weeks, it seems like I would consistently get from 15 to 19Mbps download test speeds with wired connections. Lately, I am getting a lot of tests in the 2 to 2Mbps range. Here's one a few minutes ago: :::.. Download Speed Test Results ..::: Download Connection Speed:: 2591 Kbps or 2.6 Mbps Download Speed Test Size:: 3 MB or 3072 kB or 3145728 bytes Download Binary File Transfer Speed:: 324 kB/s Tested At:: » TestMy.net Version 13 Validation:: » testmy.net/db/DqSwHA9More Stats:: » testmy.net/compID/6804102267459Test Time:: 2012-12-13 15:34:44 Local Time 1MB Download in 3.16 Seconds - 1GB Download in ~54 Minutes - 46X faster than 56K This test of exactly 3072 kB took 9.744 seconds to complete Running at 33% of hosts average (Suddenlink Communications) User Agent:: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20100101 Firefox/17.0 [!] Only 2.6Mbps! Multiple techs have been to the house and cannot find anything wrong. Why am I paying for 15Mbps service? I think the node is tapped out and they won't do anything about it. And another one, using wireless:
And, using wired connection:
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