That wayan authenticationprovidercanrequestadditionalinformationfrom either the sender (userorSDKprogram) or even the entry point (GatewayorDispatcher) the request came in through.
Delta's ability to get pilots onboard its cost program, while managing to bring in non-union workers in every capacity except the dispatcher group, is a big part of why costs are mostly under control, says industry consultant Michael Boyd of the Boyd Consulting.