Monday, September 22, 2008

What are the 5 in ERP 5

The 5 in ERP5 represents the 5 core principles which form the basis of ERP5. These five principles are explained in the book Beautiful Code [1] as follows:

Resource. Describes a resource necessary to realize a business process, such as individual skills, products, machines, and so on.

Node. A business entity that receives and sends resources. It can be related to a physical entity (such as industrial facilities) or an abstract one (such as bank account). Metanodes are nodes containing other nodes, such as companies.

Path. Describes how a node accesses resources it needs from another node. For instance, a path may be a trade procedure that defines how a client obtains a product from a supplier.

Movement. Describes a movement of resources among nodes at a given moment and for a given period of time. For example, one such movement can be the shipping of raw material from the warehouse to the factory. Movements are realizations of Paths.

Item. A unique instance of a resource. For instance, a CD driver is a resource for assembling a computer, while the CD driver PART NUMBER 23E982 is an item.

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