USER-IDENTIFIER TRANSLATOR AND LINKING APPARATUS FOR XML-BASED SERVICES AND CORRESPONDING METHOD

摘要

A method for communicating a message. such as a core service request, directed to or concerning a user, from a source entity (11) in a source system to a target entity (17) in a target system, which is typically different from the source system, the user having a first user identifier known to the source entity (11), but not necessarily used by the source entity to identify the user for communications in the source system, and a second user identifier used by the target entity (17) to identify the user in the target system, wherein the second user identifier is not known to the source entity (11), the method including: a step (71 81 82 83) in which the source entity (11) encapsulates the message in a first message envelope typically according to an XML-based protocol, the message envelope containing an element (52) including the first user identifier and an element (53) containing a user identifier placeholder, and also a link (L₁₂) relating the first user identifier and the user identifier placeholder.