This feature may be applied to a Client so as to enable
failover from the initial target endpoint to any other
compatible endpoint for the target service.
This feature may be applied to a Client so as to enable
load distribution amongst a set of target endpoints or addresses
Note that this feature changes the conduit on the fly and thus makes
the Client not thread safe.
The LoadDistributorTargetSelector attempts to do the same job as the
FailoverTargetSelector, but to choose an alternate target on every request
rather than just when a fault occurs.