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Full Fibre Network
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Old 06-03-2018, 19:56   #1
Al30
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Full Fibre Network

Do you think that Virgin Media will ever replace the coaxial cables with Fibre?

I know that they making all new installations full fibre, but will they ever go back and replace the old network with fibre to the home.

Would it be beneficial to Virgin Media though? The old network still has life in it, but would it give them more capacity in congested areas?

Virgin Media would also be able advertise their services as Full Fibre.

Sad I know but questions like this always get me thinking what the answer would be. Just wondering what everyone else would think about this.
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Old 06-03-2018, 20:41   #2
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Re: Full Fibre Network

Not for the foreseeable future
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Old 06-03-2018, 20:44   #3
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Re: Full Fibre Network

No. Coaxilal is fully capable of delivering speeds equal to fibre optic for residential connections.

Congestion has nothing to do with delivery by coaxial or fibre they both end up at the same place to enter the backbone.

Full fibre/hybrid fibre? Just marketing terms.
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Old 06-03-2018, 20:59   #4
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Re: Full Fibre Network

No, doesn't make sense on investment when its cheaper to squeeze the HFC network and with DOCSIS 3.1 and symmetrical 3.1 on the horizon there is even less of a requirement to upgrade legacy plant. On that note, I cant see there ever being a difference in service between HFC and Fibre areas either, helps drive the argument that full fibre doesn't offer "that much" of a benefit in the short term... which it doesn't really.
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Old 06-03-2018, 21:03   #5
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Re: Full Fibre Network

Quote:
Originally Posted by weesteev View Post
No, doesn't make sense on investment when its cheaper to squeeze the HFC network and with DOCSIS 3.1 and symmetrical 3.1 on the horizon there is even less of a requirement to upgrade legacy plant. On that note, I cant see there ever being a difference in service between HFC and Fibre areas either, helps drive the argument that full fibre doesn't offer "that much" of a benefit in the short term... which it doesn't really.
Add to that the fact that Openreach's current CBT fibre offering (cheaper to deploy) is over 20% less reliable than their legacy offering.
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Old 06-03-2018, 23:34   #6
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Re: Full Fibre Network

Quote:
Originally Posted by weesteev View Post
No, doesn't make sense on investment when its cheaper to squeeze the HFC network and with DOCSIS 3.1 and symmetrical 3.1 on the horizon there is even less of a requirement to upgrade legacy plant. On that note, I cant see there ever being a difference in service between HFC and Fibre areas either, helps drive the argument that full fibre doesn't offer "that much" of a benefit in the short term... which it doesn't really.
Theres one thing DOCSIS will probably never escape though, and thats jitter. It's just an inherent side effect of TDMA, and whilst you can use buffers to smooth it out, for games it's not a great fix (plus, buffer bloat, yay).

I think VM would be silly not to have it as a long term aspiration, but until they see their technology as a liability it's never really going to happen.

BT and the other operators would be wise to use it to their advantage with advertising, though.
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Old 06-03-2018, 23:53   #7
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Re: Full Fibre Network

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Originally Posted by Skie View Post
Theres one thing DOCSIS will probably never escape though, and thats jitter. It's just an inherent side effect of TDMA, and whilst you can use buffers to smooth it out, for games it's not a great fix (plus, buffer bloat, yay).

I think VM would be silly not to have it as a long term aspiration, but until they see their technology as a liability it's never really going to happen.

BT and the other operators would be wise to use it to their advantage with advertising, though.
This is very true.

Advertising is the key for any business.
Most consumers think that Full Fiber to the home is the goal you should be aiming for, as that is what they are told.

So Virgin really should be careful as their competitors (in the future) could use that to their advantage by saying they are providing FttH where Virgin are not.
Unless of course Virgin get better in advertising that their network isn't the same as others and can be a challenge to full fiber.

And Gamers hate virgin as it affects their gaming experience.
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Old 07-03-2018, 00:04   #8
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Re: Full Fibre Network

Jitter doesn't necessarily go away on an EPON link compared with a DOCSIS one. It's still a shared / split pathway.

More performant CPE will help lower it though, for sure.
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Old 07-03-2018, 15:30   #9
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Re: Full Fibre Network

Quote:
Originally Posted by Skie View Post
Theres one thing DOCSIS will probably never escape though, and thats jitter. It's just an inherent side effect of TDMA, and whilst you can use buffers to smooth it out, for games it's not a great fix (plus, buffer bloat, yay).

I think VM would be silly not to have it as a long term aspiration, but until they see their technology as a liability it's never really going to happen.

BT and the other operators would be wise to use it to their advantage with advertising, though.

When VM made the move to docsis 3.0 with the Ambit 300 modems. I was an early adopter.

Jitter was not an issue with this kit.

pings were 16ms with 0-1ms jitter.



Years later a Hitron Modem and 350Mbit business service jitter cannot be escaped however

anything from 1 to 8.
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