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1.1 Scope This paper deals with the following subjects: 1. Introduction 2. Feasibility study definition in IT 3. Forming a feasibility study team 4. The feasibility study work 5. The feasibility study report 6. Discussion 1.2 Information Technology (IT) Information was defined as anything sensed by at least one of the human senses and that may change the level of his knowledge. The information may be true or false, sent by premeditation or generated by coincidence, needed by the interceptor or intended to create new needs. The creation of the information may be very costly or free of charge. The information may be an essential need or just a luxury. Each information may be a one shot nature, eg., announcing a marriage, or a constant update need one, eg., news. Information technology as defined herein means all the types of systems needed to deal wi.th the information, transfer it to any place, store it, adapt it, etc. Information technology is usually bused on Telecommunications. Telecommunications means a large variety of possibilities. Usually, the IT's are based on the creation, updating, processing and transmission of information. The information itself is usually alphanumeric and graphic. Gradually, there is a tendency to step over to what is seen as more natural information, audio and visual.
List of contents
1 Information Technology.- Information Technology - the requirements.- Feasibility Studies on New Informative Technologies.- Merging of Defence and Civilian Interests in Computer Communications.- 2 Standardisation.- Open Systems Interconnection.- Issues in Multimedia Computer based Message System Design and Standardisation.- Practical benefitsfran Standardisation.- 3 Information Services.- The SERC Network - Its History and Development.- SITA Advanced Telecommunications Services.- Names, Addresses and Directory Services for Computer Mail.- The Demand and Supply of Telematic Services in Portugal.- 4 Network Development.- The Universe Project.- Performance Comparison of Local Area Network Architectures.- Convergence of LAN and Digital Telephone Exchange Systems.- 5 Network Management.- Network Management in a Service Environment.- The Transition towards Open Working.- The Management of the SERC Network.- Computational Techniques for Evaluation of Communication System Performance.- 6 Protocols and Secure Systems.- Open Systems Interconnection Protocols.- Services for Supporting Application Layer Protocols for Distributed Database Systems.- An Overview of Data Encipherment in the Public Domain.- Key Management for Data Encipherment.- Authentication and Signature for Message Handling.- 7 Delegates 'Short' Papers.- The Bibnett 2 Project.- Telplanner (TM) An Expert System for Planning Communication Services.- On the Influence of the Interaction between Entities for Protocol Description.- Communications Services and Distributed System Operations.- Telecommunications related Information Services;the User's point of view.- Participants.
