...snip > seems quite fragile,
In what way? > if it wouldn't be more robust to do the earlier suggestion of just > having the sca binding look up the endpoint from the endpoint registry > on each invocation. No I don't think so. In distributed environments you will *always* have to deal with the error case. See fallacies 1 and 2 [1]. If you were to rely solely on the registry and the registry tells you that the endpoint hasn't change is this true or has the registry just not caught up with real changes out there. Simon [1] http://en.wikipedia.org/wiki/Fallacies_of_Distributed_Computing
