Image Forming Apparatus User Authentication and LDAP Query
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Solution Overview
Problem
Image forming operations, such as scanning to email, often fail due to incorrect user information, leading to failed communication as the receiver's reply may not reach the sender, emphasizing the need for accurate user information acquisition from LDAP servers.
Innovation Solution
A method involving user authentication using domain information, followed by querying an LDAP server to acquire necessary user information for image forming operations, ensuring accurate user data is used for operations like scanning and email transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If user information is acquired by querying LDAP server without using domain information, then the query process is simple, but the accuracy of user information is reduced leading to communication failures
Solution Approach 1:
The patent applies preliminary action by performing user authentication using domain information before querying the LDAP server. The authentication server validates the user's domain information in advance, ensuring that only authenticated users can access the LDAP server. This preliminary authentication step guarantees the accuracy of user information while maintaining a relatively simple query process, as the authentication framework is established beforehand.
Solution Approach 2:
The patent uses an authentication server as an intermediary between the user and the LDAP server. The authentication server verifies domain information and provides authenticated access to the LDAP server. This intermediary layer ensures that user information accuracy is maintained through proper authentication while keeping the LDAP query process simple and standardized, as the complex authentication logic is handled by the intermediary server rather than the LDAP query itself.
2Reliability
If domain information is integrated into LDAP query, then communication accuracy is improved, but the query process becomes more complex
Solution Approach 1:
The patent segments the system into distinct functional components: an authentication server handling domain information verification, an LDAP server storing user information, and a client application performing the actual queries. This segmentation allows domain information to be integrated into the query process with improved communication reliability, while the complexity is distributed across separate modules rather than concentrated in a single complex system.
Solution Approach 2:
The authentication server performs preliminary verification of domain information before the LDAP query is executed. By validating domain information in advance and establishing authenticated sessions, the system ensures communication reliability without requiring complex real-time validation during the LDAP query process itself. The preliminary authentication simplifies the overall system configuration by separating concerns into distinct phases.
Data Source
AI summary
A method of performing an image forming operation using user information, the method including receiving domain information of a user and performing user authentication using the received domain information; receiving a request for the image forming operation after successfully performing the user authentication; querying a lightweight directory access protocol (LDAP) server using the domain information used for the user authentication to acquire user information necessary for performing the image forming operation; and performing the image forming operation using the user information acquired by querying the LDAP server.