How does it "deliver" in terms of the benefits touted by Carrier Ethernet (granular services, multi-service QoS handling, reliability, etc).
We built a small 10gb CE ring for a port in Belgium using 3930 boxes and found that it was very flexible and in particular how it handles COS traffic. Also there are 150+ stats you can monitor port and traffic wise so you can see exactly whats going on all the time.
Reliability wise with G8032 protection on top, twelve months on no complaints at all.
Ciena are pretty keen to help you build a lab to test etc, at cost, don't quote me on that !!, but they did for us...
Hope this helps.
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