Paul M. Jones | Ddd 2026-05-08T09:12:58-05:00 DDD, Authentication, and Credential Exchange 2021-03-02T09:20:33-06:00 In a typical DDD layered architecture, the Application layer will almost always need to know who is using it, even if only to help determine authorization. This is not a problem of authentication per se. Instead, it is a problem of taking the identif...