| #### GDS Relation to Standards The OSI software provided in DCE is based on the following ISO standards: · X.500/ISO 9594 The CCITT 1988 version (Blue Book), which shares the same text as ISO Directory Standard 9594 (v1) published in 1990. · ROSE/ACSE/Presentation/Session ISO 9072 (v1:1989), 8650 (v1:1988), 8649, 8823 (v1:1988), and 8327 (v2:1988) Protocol International Standards. The implementation follows EWOS agreements. · ASN.1/BER The ASN.1 compiler accepts ASN.1 syntax conformant to ISO 8824 and generates routines to encode/decode data conformant to ISO 8825 Basic Encoding Rules. The GDS software provides functional extensions to the standards in the following areas: · Replication · Knowledge information Modeling and Administration · Schema modeling and administration · Subtree administration · Caching · Remote administration · Security (access control) ####