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{{IMSMANG}} is designed to support information management in a decentralised context involving many users and groups at various sites. These users can include implementing partners, Mine Action operators and regional or decentralised Mine Action Authorities. While {{IMSMANG}} supports nearly any conceivable patterns for decentralised information exchange including multilateral exchange, peer-to-peer exchange and one- and two-direction exchange, the most prevalent common pattern is that of a Central Mine Action Authority and subordinate Regional Mine Action Authorities. Much of the discussion of maintaining a decentralised {{IMSMANG}} system refers to this typical example; however, many points apply to other information exchange patterns as welloperators.
The decentralised model with Regional Mine Action Centers is characterised by one or more regional sites that conduct data entry and data quality control for their region. Regional sites also typically perform some regional data analysis designed to support regional operations management and planning. By contrast, the Central Mine Action Authority manages the overall data set for the entire country, collecting all regional information in order to perform national planning and produce national statistics.
In the following example, Data Entry Forms are reconciled, entered, linked and approved at each regional site for the ongoing operations in that region. Using the Export Data Entry Forms functionality in the Advanced Search, the regional sites export data on a regular basis (for example, monthly) and send it to the Central Mine Action Authority. The Central Mine Action Authority then imports the maXML files from each site and resolves any issues with the imports as well as performs final quality control. When the import is complete, the Central Mine Action Authority compiles a set of national statistics and then distributes a complete dataset (in the form of a database backup) to each of the regional sites. The regional sites then shares the backup to the operators.