The work of CCITT in the field of telematic services.- NBS Program in Open Systems Interconnection (OSI).- OSI and research.- Management in OSI.- Considerations for security in the OSI architecture.- ISDN-technology, networking concepts and applications.- Telecommunications trends in Europe.- SNA: Recent advances and additional requirements.- Integration of group communication into CCITT X.400 message handling systems.- Directory system requirements and the CCITT-model.- Database access in open systems.- Manufacturing automation protocol (MAP) OSI for factory communications.- Communication support for distributed processing: Design and implementation issues.- Commitment, Concurrency, and Recovery — ISO-CASE and IBM LU.62.- Communication primitives in programming and specification languages.- Experiences with the accent network operating system.- Network operating system kernels for heterogeneous environments.- Request-response and multicast interprocess communication in the V kernel.- Communication support in operating systems for distributed transactions.- Replicated distributed processing.- Formal specification in OSI.- The dimension of time in protocol specification.- From protocol specification to implementation and test.- Methodology and framework for OSI conformance testing.- European harmonisation of OSI usage and conformance testing services.- ENC - IBM European Networking Center.