By L. M. Camarinha-Matos, H. Afsarmanesh (auth.), Luis M. Camarinha-Matos, Hamideh Afsarmanesh (eds.)
The sector of digital businesses, and business digital companies particularly, is attracting a wide and growing to be curiosity either by way of the study and improvement and the implementation of recent enterprise practices. An ever-increasing variety of overseas initiatives and nationwide tasks were introduced lately. many of the prior efforts are serious about the improvement of aiding infrastructures, even supposing an increasing number of projects now pursue the exploitation of this idea in enterprise phrases. Being a up to date learn and improvement sector, and inspite of the pointed out curiosity, there's a loss of a dependent and entire textual content that may be used as a reference resource. such a lot to be had literature is dispersed in different convention court cases, journals, and e-book chapters. This e-book represents an try out in the direction of such based textual content. even though the publication used to be ready within the framework of PRO-VE'99, a operating convention on infrastructures for digital companies geared up by way of the Esprit undertaking PRODNET II and IFIP, it has the aim of masking extra standard VE necessities and addressing a number of different ways and significant facets during this paradigm.
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Extra info for Infrastructures for Virtual Enterprises: Networking Industrial Enterprises IFIP TC5 WG5.3 / PRODNET Working Conference on Infrastructures for Virtual Enterprises (PRO-VE’99) October 27–28, 1999, Porto, Portugal
Material/services related aspects. It is important to support functionalities necessary to represent and monitor the flow of products and services through the VE network. Some required functionalities include: Materials/services-flow management. Identification, representation and monitoring of all materials/services flows within the network. Logistics. Planning of the transportation, inventory and warehousing. , for instance all activities which provoke materials/services flow between a point of origin and a point of consumption/destination, including the subsets of supply logistics, production logistics, distribution logistics and waste logistics.
Specification of 1M query/update operations From the study of the three focus areas described in the previous section, we have determined that 1M query/update operations can be provided through the following mechanisms: Local queries. The most evident mechanism to support the persistent information management requirements of the interoperation layer modules, is to make a function available which contains a generic query as a parameter. If it happens that the sender of the query, being the PPC or a layer module, knows and specifies that the query is local to this node, in that case, the query is evaluated locally at the 1M of the node.
Support for visibility access levels on specific information. A mechanism to define and preserve information visibility levels for secure access and retrieval of data among the VE nodes is one important aspect to consider in the design of the 1M support operations. Lower-level facilities exploitation. The possibility that the 1M component may be built on top of an already existing DBMS with its own query/update language support (Le. the SQL) must be fully exploited, trying to reduce the implementation efforts and reinvention of the wheel.