Most organizations today are looking for more cost effective approaches to delivering enterprise applications to their user base. Among the alternatives that are becoming increasingly popular are various forms of outsourcing and in particular the use of ASPs (Application Service Providers) to deliver "software-as-a-service". We have analyzed these trends recently and concluded that the "software-as-as-a-service" model will become a dominant form of delivering enterprise applications in the near future [4] [5]. Increasing, the use of externally supplied information services will determine the shape of the IS/ICT market and management decisions about deployment of enterprise IS/ ICT. Leading Czech IS/ICT professionals predict that IS/ICT will undergo even more dramatic changes this decade than towards the end of the last century [17]. These changes will affect both user organisations and organisations supplying IS/ICT products and services. In this paper we analyse the above trends and discuss how the IS/ICT user and supplier organisations can prepare for these developments. In the next section, we discuss the key enterprise computing trends including the strategic importance of ICT. In the following sections we consider the impact of these trends on ICT user organizations and ICT suppliers.
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