CODA-4582 Modem & DOCSIS 3.1 in North York area

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Datalink
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Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

I think you will find that UDP performance has been greatly improved with the 4582 and V2.0.10.27.  I can run 500 Mb/s down, 50 Mb/s up UDP, without any missing UDP datagrams.  Above that, the missing datagram numbers start to grow.  You would probably have to run an overclocked Windows pc or maybe run linux to test the modems UDP performance to its limits.  I suspect that 500/50 is far above anything you will see for UDP capability for an XBox, PS3/4 or typical pc. 



lethalsniper
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Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

I find the cgn ignite rocket modem plays better with NHL 17 on the Xbox one it give me better ping then the coda
Datalink
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Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

CODA with V2.0.10.27 loaded?  If that wasn't the case at the time, have a look at the following post and look at the ping time comparison between .26 and .27:

 

http://communityforums.rogers.com/t5/Internet/CODA-4582-Open-Issues-for-Investigation/m-p/393227#M44...

 

Those are simultaneous download/upload ping test results.  .27 shows considerable improvement over .26

 



lethalsniper
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Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

Yea with .27 firmware ...ping was lower before I would get roughly lowest ping was 15 and highest 20 on the cgn modem but now on the coda I get anywhere from 19 - 29
Datalink
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Posts: 7,328

Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

Is that ping time to the CMTS or ping time to a target somewhere?



lethalsniper
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Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

Nhl 17 shows us ping in game under network performance
RyzenFX
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Posts: 590

Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

@tony2tran91 I'm glad to say that the gaming performance of the CODA-4582 with firmware 2.0.10.27 has been fantastic. In my gaming sessions of League of Legends, Battlefield 1, and CS:GO I have noticed that my ping has decreased. With this also comes increased responsiveness and thus smoother gameplay. Having said this, it is safe to switch from your CGNM-3552 to the CODA-4582. Robot Happy

 

Firmware 2.0.10.27 was a big one to hit the CODA-4582 as it included a new Intel base code for the Puma 7 which dramatically reduced buffer bloat. Buffer bloat occurs when the modem is handling too much data and it has to drop packets in order to process the data effectively- this was to blame for the modem's poor gaming performance pre-2.0.10.27. Since 2.0.10.27 was released, a lot of users have reported positive feedback such as lower ping, dramatically lower buffer bloat, and generally more consistent performance. Since the release of 2.0.10.27 it has been quiet here on the forums so I'm suspecting the majority of the users are happy with their CODA-4582. 

 

Looking ahead on the CODA-4582, firmware 2.0.10.30 will include an improvement in WiFi performance (increased speed), and maybe increased range.

 

It's an all clear to make the switch to the CODA-4582. When you have the time, make the switch to the CODA-4582 and let us know on how it performs. If you do need help don't hesitate to ask for help from us as well Smiley Happy

RyzenFX
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Posts: 590

Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

@lethalsniper From what I know and have read, the UDP packet loss issue is to blame due to the poor buffer bloat performance of the modem on firmware versions pre-2.0.10.27. 

 

UDP packet loss is still seen on firmware 2.0.10.27, BUT that is because my node has high uplink usage (it's not the problem dropping the packets, the node is).

lethalsniper
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Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

What do you mean you have high uplink usage on your node ? Your upload speed drops ?
RyzenFX
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Posts: 590

Re: CODA-4582 Modem & DOCSIS 3.1 in North York area

In short yes, my upload speed drops because my node does not have enough bandwidth to handle all of the outgoing data. As a result, packets are dropped as the node tries to squeeze in more outgoing data.

 

Even if the upload speed goes down to 20Mbps, I still notice my ping increase in League of Legends from 25ms to 40+ms.

 

If the node upload speed drops down to 20Mbps on a daily basis, at that point Rogers should decide to segment the node or initiate upstream capacity uplift. It's ridiculous to have upload speeds as low as that now a days. Throughout the last 6-7 months, I have seen the trend that the upstream usage has increased by a lot. Rogers should be working to re-define when to plan for upstream capacity uplift, especially given the fact that DOCSIS 3.1 Upstream (OFDMA) is around the corner.