1. Open Distributed Processing ODP An attempt to standardise an OSI application layer communications architecture. ODP is a natural progression from OSI, broadening the target of standardisation from the point of interconnection to the end system behaviour. The objective of ODP is to enable the construction of distributed systems in a multi-vendor environment through the provision of a general architectural framework that such systems must conform to. One of the cornerstones of this framework is a model of multiple viewpoints which enables different participants to observe a system from a suitable perspective and a suitable level of abstraction.
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