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Posted: October 11th, 2022

Write an essay describing the network design in the supply chain

Write an essay describing the network design in the supply chain 8 and discussing the variables that guide network design choices in the supply chain

Supply chain network design is a complex process that involves determining the optimal configuration of facilities, transportation modes, inventory locations, and flows of materials within the supply chain. The goal of supply chain network design is to meet customer demand as efficiently as possible while minimizing total supply chain costs. There are many variables that must be considered when making network design choices, as these choices have long-term strategic implications for the supply chain. This paper will provide an overview of common supply chain network designs and discuss key variables that influence network design decisions.
Types of Supply Chain Network Designs
There are three main types of supply chain network designs: centralized, decentralized, and hybrid. Each design has advantages and disadvantages depending on the characteristics of demand, product, supply sources, and other factors.
Centralized Network
A centralized network consolidates operations and inventory into a single location to benefit from economies of scale (Croom et al., 2017). All supply chain activities such as production, warehousing, and distribution occur at one centralized facility. This provides maximum control over operations and lowest unit costs due to specialization. However, it requires long and complex transportation routes to reach customers dispersed over a wide geographic area. Centralized networks are best suited for products with low demand variability and stable demand patterns across regions (Christopher, 2016). They allow efficient production planning and capacity utilization but lack responsiveness to local market needs. Industries like oil and gas often utilize centralized networks due to bulk commodities and standardized products.
Decentralized Network

A decentralized network distributes operations across multiple localized facilities to be closer to demand sources (Simchi-Levi et al., 2014). Each local facility handles a portion of the supply chain activities for its region. This improves customer service through faster delivery times and higher inventory availability. It also increases supply chain resilience by mitigating disruption risks. However, decentralized networks have higher operating costs due to duplication of resources and lower economies of scale benefits. They require complex coordination between facilities. Industries like retail and automotive commonly use decentralized networks to match regional production to localized demand.
Hybrid Network
A hybrid network balances the advantages of centralized and decentralized networks by combining elements of both (Chopra & Meindl, 2016). It centralizes common activities like procurement at centralized plants or DCs while distributing other functions like customization, packaging, or final assembly to localized satellite plants or DCs. Hybrid networks allow efficient scale while maintaining some responsiveness. They are flexible and can be adapted based on specific product and market characteristics. Many supply chains utilize hybrid networks as the most practical solution.
Variables Influencing Network Design
There are various qualitative and quantitative factors that influence the choice between centralized, decentralized, or hybrid network designs. Careful consideration of these variables is needed to configure a supply chain network that best meets a company’s objectives.
Demand Characteristics
The patterns, variability, and volatility of customer demand across different markets or products heavily impact network design (Simchi-Levi et al., 2014). Stable demand favors centralized networks while variable demand requires decentralized or hybrid networks. Regional differences in demand levels or seasonality also guide the need for local responsiveness. Forecasting demand accurately is crucial for network planning.
Supply Sources
The geographical locations and reliability of raw material sources shape network design options (Chopra & Meindl, 2016). Centralized sourcing from a few bulk suppliers supports centralized production while multiple localized suppliers enable decentralized manufacturing. Supply risks such as disruptions or shortages tilt the decision towards multiple supply points.
Product Characteristics
Attributes like product value, size, customization needs, and life cycles determine suitable network configurations (Croom et al., 2017). High-value products require decentralized networks for quick response whereas bulk commodities suit centralized networks. Standardized products are efficiently produced centrally while customized offerings need local flexibility.
Transportation Costs
Relative transportation expenses for inbound materials and outbound finished goods impact the optimal plant locations and distribution centers (Simchi-Levi et al., 2014). Higher inbound freight costs favor decentralized production near suppliers while outbound transportation costs push towards centralized production near large customer markets.
Inventory and Warehousing Costs

Holding inventory and operating warehouses incurs carrying charges (Christopher, 2016). Centralized networks consolidate inventory economically but lengthen order fulfillment cycles. Decentralized networks shorten lead times at the cost of redundant inventory. The trade-off between inventory and transportation costs guides network choices.
Regulatory Environment
Government regulations on trade, transportation, environmental standards, and local content influence the feasibility of different network configurations (Chopra & Meindl, 2016). Regulations may restrict or encourage certain design options. For example, trade barriers favor local production over imports.
Competition
Rival networks and strategies also determine a company’s network choices to some extent (Croom et al., 2017). A supply chain needs responsive capabilities if competitors offer quick delivery. Industry norms and maturity impact standard network designs. First mover advantages are possible by innovating network structures.
Technology
Advances in transportation, communication, production, and inventory tracking technologies continuously reshape optimal network topologies (Simchi-Levi et al., 2014). For instance, real-time tracking enables centralized control of decentralized inventory. 3D printing facilitates localized small-batch manufacturing. Big data analytics improves demand forecasting accuracy.
Conclusion
In summary, supply chain network design is a strategic decision involving complex trade-offs between costs, responsiveness, risks, and various qualitative factors. A thorough understanding and quantification of variables that characterize demand patterns, supply sources, product attributes, costs, regulations, competition, and available technologies is necessary to configure networks that create optimal value for customers and shareholders in the long run. While centralized, decentralized or hybrid networks each have merits depending on specific circumstances, most supply chains today utilize hybrid structures to balance scale and agility. Continuous network optimization remains important as market dynamics change over time.
References
Chopra, S., & Meindl, P. (2016). Supply chain management: Strategy, planning & operation (6th ed.). Harlow, Essex: Pearson Education Limited.
Christopher, M. (2016). Logistics & supply chain management (5th ed.). Harlow, Essex: Pearson Education Limited.
Croom, S., Romano, P., & Giannakis, M. (2017). Supply chain management: An analytical framework for critical literature review. European Journal of Purchasing & Supply Management, 6(1), 67-83. https://doi.org/10.1016/S0969-7012(00)00004-0
Simchi-Levi, D., Kaminsky, P., & Simchi-Levi, E. (2014). Designing and managing the supply chain: Concepts, strategies, and case studies (4th ed.). New York, NY: McGraw-Hill Education.

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