Shippers are emphasizing logistics, since networking has become complex due to the globalization and demand variability has become huge for various products across countries. In order to meet customer demands, vendors must ensure appropriate quantities of storages at the point of demand and must ensure optimal distribution plans that include routing of the distribution vehicles. Managing such complex logistic networks, with high level of customization and services expected by customers, require various strategies to keep the transportation and inventory costs low. This requirement has evolved...