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Author Topic: G.INP - BT rollout 2015.  (Read 266416 times)

Dray

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Re: G.INP - BT rollout 2015.
« Reply #375 on: May 27, 2015, 07:14:36 PM »

I think AndyH once remarked that you don't want it on an ECI cab as it introduces a lot of latency.

I see Openreach have begun turning it off on upstream connections no doubt due to BT Retail's stupid policy of handing out HH5A's to everyone regardless of cab make. So everyone else has to suffer due to BT Retail's stupidity.
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blue166

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Re: G.INP - BT rollout 2015.
« Reply #376 on: May 27, 2015, 07:20:26 PM »

Correct I do not want G.INP enabled on my ECI cab. I have even gone to BT Openreach with this, but until someone somewhere can confirm I have my concerns with it.

You mentioned about Openreach turning off G.INP Upstream off because of BT retail. What impact does this have on connections? I know this is still for the Huawei DSLAMs.
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Dray

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Re: G.INP - BT rollout 2015.
« Reply #377 on: May 27, 2015, 07:24:02 PM »

Well, they'll start off on fastpath but when noise or faults affect the upstream, they will be interleaved with a corresponding increase in latency which will be bad for gaming. Streaming should be ok though.
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blue166

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Re: G.INP - BT rollout 2015.
« Reply #378 on: May 27, 2015, 07:26:06 PM »

Will it have an effect on speed?

Also is that much different to the old DLM system? If there were noise/faults before you would lose speed and higher latency to make the line more stable? Am I right in saying that?
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Dray

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Re: G.INP - BT rollout 2015.
« Reply #379 on: May 27, 2015, 07:30:17 PM »

It will be the old DLM system. Those unlucky Huawei modem users on Huawei cabs will lose some of the advantages of G.Inp for gaming.
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blue166

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Re: G.INP - BT rollout 2015.
« Reply #380 on: May 27, 2015, 07:31:39 PM »

Thanks @Dray - I understand it better now.

I was under the understanding that the DSLAM would seek out modems that could support G.INP in both directions and filter according?
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Dray

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Re: G.INP - BT rollout 2015.
« Reply #381 on: May 27, 2015, 07:37:51 PM »

Will have to see what happens after the trial
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andy265

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Re: G.INP - BT rollout 2015.
« Reply #382 on: May 27, 2015, 07:52:35 PM »

My line is on the G.INP ECI modem trial and I just put a Billion 8800NL on instead so I could see what the DLM was doing. At the moment there is only G.INP on the downstream, I'll leave the Billion connected and see what happens as it does support it on the upstream.
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burakkucat

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Re: G.INP - BT rollout 2015.
« Reply #383 on: May 27, 2015, 07:58:22 PM »

I think AndyH once remarked that you don't want it on an ECI cab as it introduces a lot of latency.

My understanding is that the emanations from AndyH have been discredited and should be ignored.  :-X
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NewtronStar

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Re: G.INP - BT rollout 2015.
« Reply #384 on: May 27, 2015, 08:31:16 PM »

My line is on the G.INP ECI modem trial and I just put a Billion 8800NL on instead so I could see what the DLM was doing. At the moment there is only G.INP on the downstream,

Was there not a config setting on the 8800NL GUI to turn on/off PHyR on the upstream ?
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andy265

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Re: G.INP - BT rollout 2015.
« Reply #385 on: May 27, 2015, 08:37:03 PM »

Was there not a config setting on the 8800NL GUI to turn on/off PHyR on the upstream ?
Yes, I have up and down ticked. Up is off by default, but I turned it on before the router was connected to the line. I've attached a screenshot.
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Dray

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Re: G.INP - BT rollout 2015.
« Reply #386 on: May 27, 2015, 08:37:13 PM »

I think AndyH once remarked that you don't want it on an ECI cab as it introduces a lot of latency.

My understanding is that the emanations from AndyH have been discredited and should be ignored.  :-X
Well we'll see if it comes true or not :)
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underzone

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Re: G.INP - BT rollout 2015.
« Reply #387 on: May 27, 2015, 08:57:14 PM »

My line is on the G.INP ECI modem trial and I just put a Billion 8800NL on instead so I could see what the DLM was doing. At the moment there is only G.INP on the downstream, I'll leave the Billion connected and see what happens as it does support it on the upstream.

Any chance you could leave the Billion 8800NL on and have it upload the line stats to:

http://www.mydslwebstats.co.uk/

Pretty please?
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kitz

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Re: G.INP - BT rollout 2015.
« Reply #388 on: May 27, 2015, 09:43:11 PM »

I have on a couple of occasions attempted to clarify the situation on the ECI's with Openreaches Director of Network Strategy and Chief Engineer whom Im told by their CEO is the best person to answer.  Unfortunately the answers that I do have so far only raise further questions which is why I can't say anything for definite as some of it seems to imply what was happening and not will happen after they've made the next batch of changes.

All I can say for certain is that there's nothing in the immediate future for the ECI's, but it will likely be reviewed after the new changes have all been rolled out to all of the Huawei's. So hopefully in a couple of months we will have a better idea whats happening with the ECI's
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kitz

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Re: G.INP - BT rollout 2015.
« Reply #389 on: May 27, 2015, 09:50:46 PM »

Since Ive asked for permission to quote and Ive not had any objection,  then I presume that there is no issue with releasing the following information, which I think most of us had guessed they were doing this anyhow.

Quote
we have been working closely with industry on our approach to the application of interleaving where upstream retransmission is not supported, and will be providing an update on progress more widely soon.
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