I think thins line from the Wikipedia article is significant:
""T1" now seems to mean any data circuit that runs at the original
1.544 Mbit/s line rate."
So, I would want to know just what is being sold as a "T1" line. I
don't think it is old infrastructure per se - you can get a T1 line
over both fiber and copper, the key being that the signal is digital
not analog, and can handle up to 24 voice channels simultaneously, or
a fat load of data.
Maintaining a T1 line on the user side is trivial - you plug it into
the router using the vendor's configuration. Back in the day we use a
pair of separately routed T1 lines to guarantee uptime for our HQ.
Never went down so long as the building had power (and even then the
line did not go down, but the router's UPS eventually would give up
the ghost and the landlord would not allow a generator).
So, just what is being sold? Does it include an SLA?
Matthew
On Jun 13, 2008, at 11:06 AM, Tom Piwowar wrote:
I need a technology update. Somebody just asked me about dropping
DSL for
a T1 line.
Is not T1 old infrastructure that phone vendors are looking to
unload on
the unwary? I know that T1 is regulated and comes with SLAs (Service
Level Agreements), but I think that would have little meaning to most
customers and would just make it more expensive than equivalent-
speed DSL.
Also, is it not true that provisioning and maintaining T1 is more
complicated?
I see some articles on the web touting T1, but it looks like the web
is
being salted by carriers who want to sell T1.
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