Another drawback is that, by their nature, ADSL circuits have a higher latency than standard T1 service. So if this is something thats really important, a "propper" T1 might be a better option. Then there's that little problem of maintaining routing over 8 parallel links, etc. On Wed, Jul 21, 2004 at 10:32:30AM -0700, Adam Debus wrote:
Something to be careful on with ADSL is repair times. For example, with Qwest there is a 4 hour guarenteed dispatch (24x7x365) on T1 circuits, and a 23 business hour dispatch on ADSL. YMMV with other telcos.
--- Adam Debus Network Engineer, ReachONE Internet adam@reachone.com ----- Original Message ----- From: "Jon R. Kibler" <Jon.Kibler@aset.com> To: "Andre Oppermann" <nanog-list@nrg4u.com> Cc: <nanog@merit.edu> Sent: Wednesday, July 21, 2004 09:44 Subject: Re: T1 short-haul vs. long-haul
Andre:
If your distance for the short-haul is less than 10 miles or so (line-of-sight), I would go wireless. Reasons: a) you can get 10-30MBps on wireless vs. 1.4Mbps for T1. b) if you already have an antenna or other high-point, you can own the wireless network for about what the Telco would charge for a T-1 over about a year.
If you really want a wire circuit, for long-haul or short-haul, consider multiple xDSL connections. For example, under the current pricing we are seeing, we can install 8 ADSL circuits for about what one T-1 would cost. With 8 ADSLs, you would be getting >10 Mbps inbound and 2.8Mbps outbound -- equivalent to 8 inbound T-1s and 2 outbound T-1s for the same price as a single T-1.
Just some thoughts.
Jon Kibler -- Jon R. Kibler Chief Technical Officer A.S.E.T., Inc. Charleston, SC USA (843) 849-8214
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