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Topic # 108511 30-Aug-2012 16:48 Send private message

Has anyone had experience with having a SHDSL connection installed and would like to share?

I'm wondering if its worth the extra monthly expense to get this dedicated connection as opposed to VDSL2 which offers much higher maximum attainable rates, albeit with contention ratios.

We're running a Terminal server which has around 25-30 clients connecting to it, so low latency/jitter free is a plus, and extra upload bandwidth would make a huge difference (currently on ADSL2+).

Digital Islands offer 3mbit and 5mbit down/up dedicated, I'm just worried the download will be too limited at 3 or 5mbits on these connections, in case we need to restore an online backup..

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  Reply # 679382 30-Aug-2012 17:18 Send private message

Have a customer with 25 staff using terminal services with remoteFX on a VDSL2 connection no problems. Not really much jitter and if you get the correct profile you can get as low as 1ms latency (depending on where the PPP terminates and where your server is). Really only advantage with SHDSL is its a better SLA and available where VDSL2 isn't.





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  Reply # 679398 30-Aug-2012 18:32 Send private message

Yea I would suggest an HSNS connection is pretty much a last resort if VDSL isn't available due to the high cost. As Zeon says, there is pretty much no SLA on VDSL but from what I have seen it is a very stable service when the wiring has been done correctly. I think too many providers are allowing people to have it without a master filter installed which is just madness in my books. But if a solid SLA is important to you then go for the HSNS circuit. if you are wanting faster speeds and a probably just as reliable service go for VDSL.

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  Reply # 679826 31-Aug-2012 17:36 Send private message

Yes I would say go for SHDSL if you need guaranteed service and urgent repairs if anything goes wrong. If you are happy with best efforts service then nothing wrong with VDSL. Perhaps you can use ADSL/VDSL as a backup connection just for the extra bandwidth if you have a POTS line already, since you would be already be paying the line rental.




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  Reply # 681087 4-Sep-2012 01:04 Send private message

Thanks guys, the responses are really helpful - will go for VDSL or may wait for fibre next year!

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  Reply # 681094 4-Sep-2012 03:05 Send private message

chevrolux: Yea I would suggest an HSNS connection is pretty much a last resort if VDSL isn't available due to the high cost..

..I think too many providers are allowing people to have it without a master filter installed which is just madness in my books. But if a solid SLA is important to you then go for the HSNS circuit.


In the past I've been on the other end of the support calls from Digital Island for UNS connections and will vouch that they'll do anything possible to ensure the SLAs are met. The question of how much it would cost for 25-30 staff to sit around for two days while a VDSL fault is looked into needs to be considered!

As for not having full wiring for VDSL.. that's almost a non-issue as VDSL appears inherently way more stable than ADSL, and many VDSL installs are NAKED anyway.

My latest VDSL connection even has a POTS line attached to it, and I've got no master splitter nor any filters this time. The connection stays up for at least a month at a time, and I'm on DLM1, get around 4ms latency to my ISP. Maybe I'm the exception and not the rule.

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  Reply # 681105 4-Sep-2012 06:53 Send private message

insane:As for not having full wiring for VDSL.. that's almost a non-issue as VDSL appears inherently way more stable than ADSL, and many VDSL installs are NAKED anyway.

My latest VDSL connection even has a POTS line attached to it, and I've got no master splitter nor any filters this time. The connection stays up for at least a month at a time, and I'm on DLM1, get around 4ms latency to my ISP. Maybe I'm the exception and not the rule.


Naked or clothed - wiring is still a key issue.

And as for you not having a filter, that's fine. The minute you try and make a voice call however your internet will turn to custard without a filter.


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  Reply # 681552 4-Sep-2012 23:10 Send private message

sbiddle:
insane:As for not having full wiring for VDSL.. that's almost a non-issue as VDSL appears inherently way more stable than ADSL, and many VDSL installs are NAKED anyway.

My latest VDSL connection even has a POTS line attached to it, and I've got no master splitter nor any filters this time. The connection stays up for at least a month at a time, and I'm on DLM1, get around 4ms latency to my ISP. Maybe I'm the exception and not the rule.


Naked or clothed - wiring is still a key issue.

And as for you not having a filter, that's fine. The minute you try and make a voice call however your internet will turn to custard without a filter.



I'm not suggesting wiring in general is not important, just that a 'full install' isn't always required, ie in the case of a NAKED connection.

As for my VDSL line, I thought that would be the case too at first, but nothing seems to be able to shake it, not the ringing, the hangup clicks or even ongoing voice causes any issue at all in terms of performance or stability, honestly it's rock solid.

Again I'm not suggesting my setup should be followed, just pointing out that VDSL appears to be far more forgiving than ADSL :)



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