DSL Cons: Weaker SLAs, Slow Mean Time To Repair, Aggregated service.
T1 Pros: Dedicated 1.544Mbps, Good SLA, Most problems fixed remotely.
T1 Cons: More expensive to to the cost of the local loop to the central office.
DS3 Pros: 45Mbps is as fast as 29 T1s, you are riding on Fiber over Sonet not copper…
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