EFM v ADSL performance - Real world Experiences please...
Hi Experts,
Has any one replaced Broad Band line(s) with Ethernet First Mile?
What was the performance inprovement?
I'm looking to swap out a couple of 12/1 ADSL lines with a 5/5 EFM line in an effort to improve our remote access and site to site VPN facilities.
Also may think about using it for our Exchange server later.
I know about contention rates\ symetrical v asymetrical rates etc, what I'm looking for is someone that can tell me about their real world experiences when swapping from ADSL to EFM.
Many thanks!
Has any one replaced Broad Band line(s) with Ethernet First Mile?
What was the performance inprovement?
I'm looking to swap out a couple of 12/1 ADSL lines with a 5/5 EFM line in an effort to improve our remote access and site to site VPN facilities.
Also may think about using it for our Exchange server later.
I know about contention rates\ symetrical v asymetrical rates etc, what I'm looking for is someone that can tell me about their real world experiences when swapping from ADSL to EFM.
Many thanks!
ASKER
Thanks for the info Noci. I'm extremely jealous of your link and I'm with you on the Help desk point. I've got FTTC at home giving me 38/7 (last time I checked).
However the link I'm discussing is different to both. The EFM offerred to us is delivered through 2 or 4 lines of Copper cable, see http://en.wikipedia.org/wiki/Ethernet_over_copper
Any one using this?
However the link I'm discussing is different to both. The EFM offerred to us is delivered through 2 or 4 lines of Copper cable, see http://en.wikipedia.org/wiki/Ethernet_over_copper
Any one using this?
EFM is different to FTTH or FTTC.
I have used EFM in a lot of places where leased lines (for example) weren't cost effective due to various factors.
They work quite well compared to a single xDSL. The technology provides several benefits obviously such as redundancy over the lines, etc.
I think you'll find that it's a good investment from a stability point of view, even if you do have to suffer a slight loss in download speed. Upload will be substantially better.
I have used EFM in a lot of places where leased lines (for example) weren't cost effective due to various factors.
They work quite well compared to a single xDSL. The technology provides several benefits obviously such as redundancy over the lines, etc.
I think you'll find that it's a good investment from a stability point of view, even if you do have to suffer a slight loss in download speed. Upload will be substantially better.
ASKER
What speed EFM did you use? What was the speed of the ADSL link?
DId you find browsing slowed down? I'm aware of the 5Mb download of 2 line EFM as opposed to the 11-12Mb (contested) of ADSL.
We are looking to replace two ADSL lines mainly used for VPN with one 5Mb EFM but I'm also interested in browsing performance.
thanks.
DId you find browsing slowed down? I'm aware of the 5Mb download of 2 line EFM as opposed to the 11-12Mb (contested) of ADSL.
We are looking to replace two ADSL lines mainly used for VPN with one 5Mb EFM but I'm also interested in browsing performance.
thanks.
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ASKER
What speed EFM?
The EFM speed depends on the number of lines and the bandwidth available on each.
Some customers went with 8-10Mbps EFM (4 or 5x 2Mbps SDSL lines). Others went with just 2 ADSL lines ranging from 512Kbps to 17Mbps.
Some customers went with 8-10Mbps EFM (4 or 5x 2Mbps SDSL lines). Others went with just 2 ADSL lines ranging from 512Kbps to 17Mbps.
ASKER
OK sounds good. Thanks.
It is known here as FTTH. (Fibre to the Home)
It is delivered through a single strand of fibre which tops @100Mbps and it is retelimited to lower speeds 30Mbps, 50Mbps etc. depending on ISP.
The link is delivered as 2 .1q VLAN's . #4 for Digital TV, #6 for Internet connection.
My ADSL line could handle 8/1 one without problems, with speeds in excess of 10Mpbs connections became flakey. I had big time troubles with every speed increase ISP's delivered, and a a week worth of trouble before i could pursuade them to get me back to 8/1.
Since FTTH is active i have no such problems anymore, the link is hardly down. In two years i may have had 3 hours (2 events) of outage mainly because of the Mains losing it's power.
(Both DSL & FTTH) would have problems with that. Where my location had power before the power was restored to the ISP's end point.
First and for all find a reliable ISP and one that does operate a Help desk not a coin collection service.
YMMV obviously.