https://stackoverflow.com/questions/3200197/creating-wcf-channelfactoryt?rq=1
https://stackoverflow.com/questions/7841748/wcf-channel-and-channelfactory-caching?rq=1
https://stackoverflow.com/questions/3200197/creating-wcf-channelfactoryt?rq=1
https://stackoverflow.com/questions/7841748/wcf-channel-and-channelfactory-caching?rq=1