This report provides a comprehensive analysis of network infrastructure development for Cookie CO., addressing the company's need to connect its main office with various branch offices. The report begins with an executive summary and table of contents, followed by an introduction that emphasizes the importance of a robust network infrastructure for business success. The discussion section delves into the specifics of network infrastructure, including network convergence, LAN and cabling types, WAN connections (including VPN options), transmission media, and IP and DNS management. The report then explores network services such as file sharing, email, print servers, and VoIP. Finally, the report examines data processing facilities, covering data storage options like cloud infrastructure and data processing methods such as client-server and peer-to-peer technologies. The report concludes by summarizing the key findings and recommendations for Cookie CO.'s network infrastructure development.