Multi-tier architecture for enterprise solutions

     Separation of enterprise information base, business logic, and presentation

     Standardized interface with database and application servers



     Certificate management based on PKI

     ITU-T X.509 certificate support

     Encryption and digital signature by public key algorithms

     User authentication by certificates

     Guarantees of integrity and confidentiality of files

     Non-repudiation of sender and receiver of messages



     Directory for public keys and digital certificates



     Latest standard for document management and e-business transaction


     Flexible interface for various standards



     Layers for presentation, business logic, and enterprise data