|Re: ADSL and SDSL?|
|Robert Bonomi (firstname.lastname@example.org)|
Fri, 18 Feb 2005 09:50:43 -0000
In article <email@example.com>, Dean|
> Robert Bonomi wrote:
>>> Robert Anderson wrote:
>>>> Do you more reliably get the higher bandwidth with SDSL than with
>>>> For example, is the CIR higher with SDSL?
>>>> We are a very small business using VoIP and our connection is
>>>> We were thinking of switching from ADSL over to SDSL, to see if that
>>>> Robert Anderson
>>> ADSL is asymmetrical
>>> SDSL is symetrical
>> As "commonly deployed", SDSL has same speed up and down, and ADSL has
>> However, I have had "symmetric rate" ADSL, and "Asymmetric rate" SDSL,
> Can you elaborate? I thought the 'A' in ADSL and the 'S' in SDSL stood
Your understanding of the _names_ underlying the acronyms is correct.
The names reference two different, incompatible, implementations of
The names do -not- dictate the actual link speeds in either direction.
I don't know enough about the 'deep innards' of the specific
I know SDSL _does_ use the 'voice spectrum' bandwidth, and thus
I *do* know what service I have actually had.
1) 512kbit up / 512kbit down. on a non-shared line.
2) 768k down / 384k up, on a non-shared line.
You can "google" up the specs of those specific modems to confirm the
I had numerous occasions where I saturated those links for extended
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