| http://www.w3.org/ns/prov#value | - If one segment is over subscribed, or the users are particularly demanding, you can switch some customers to a different PON segment to even out the contention.Migrations to newer technologies can be staged, in the instance that they are not backwards compatible.You can shift users one by one onto the newer cards at the exchange end.Over time, you would expect that newer technologies make the base
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