tailieunhanh - Springer Series in Advanced Manufacturing_6

Tham khảo tài liệu 'springer series in advanced manufacturing_6', khoa học xã hội, kinh tế chính trị phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Process Alignment or ERP Customisation 149 In contrast the term customisation is usually kept for cases when the standard package is considered as providing an unsatisfactory answer to the company s needs. Whatever the customisation could be including integration of other standard software or specific developments the result is a specific software which will require specific validation and effort for maintenance and upgrade Light 2001 . Exceptions to these considerations can be found like Soffer et al. 2003 in which customisation is considered as the result of configuration. In this last paper different levels of configuration are distinguished called optionality levels by the authors system configuration level controlling options affecting the software functionality throughout the entire system object level intermediate optionality level allowing different instances of an object to be handled in different manners occurrence level which applies to a single occurrence of a process or object. Three types of system parameters can be used at the system configuration level high-level process definitions providing preconditions to user-interface sessions . a Boolean parameter indicating whether warehouse location control is implemented in the system low-level process definitions indicating the specific algorithms and rules to be applied when performing a specific action . definition of what type of action require logging a record of change history by the system process parameter definitions providing values indicating how a specific action is performed . definition of a planning horizon . An example of object level configuration can be a parameter indicating whether location is controlled or not in a specific warehouse once location has been activated at the system level . The occurrence level can for instance be used for defining an option of fast approval for a given delivery. It is worth noticing that for the authors the processes resulting from the use of .