Further, Porter cites "linkages" as a driver to sustainability.
Linkages are ties "which require coordination across organizational lines or with independent suppliers or channels" (p. 112).
The Council of Logistics Management (1998) defines logistics as, "that part of the supply chain process that plans, implements, and controls the efficient flow and storage of goods, services, and related information from the point of origin to the point of consumption in order to meet customers' requirements."
In essence, the flow and storage aspects of Porter's definition of "linkages" is logistics.