divided logistics function into two categories. The first category
refers to physical activities that are required various utilities of customer need. These will
include inventory, transportation and customer service operations. The second category refers to
flow of information or transaction activities that follow or initiate the physical activities. The
physical and information flows in logistics function is well-depicted in Figure 1 that shows the
categorization of logistics functions as described by Vaidyanathan (2005). As shown in the
figure, information flows between logistics function are managed, coordinated and supported by
various logistics technologies.