I am trying to work out how to calculate the throughput for inter-cluster TS7700 links.

We currently have two TS7700s connected via GigE over about 20 miles.

We want to attach a third cluster and I need to calculate how long the initial synch will take.

The third cluster will be connected and then we will copy to the 3rd.

My dilemma is what is the realistic throughput I can expect, given that this will be a long and continuous process over many days.

We need to order a fat IP link and just to add complexity, it will be trans Pacific - a long haul link with lots of latency, at present we are considering an OC3 link which is rated at 155Mbs.

Does anyone have a formula or calculator to help me out - I haven't found anything specific via Google.

Regards
Bern
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