This report provides a comprehensive analysis of Asia Pacific International College's (APIC) network infrastructure, with a specific focus on the newly established Sydney branch. It begins with an overview of APIC's geographical network scope, presenting a diagram illustrating its global presence. The report then delves into the logical design of the Sydney branch's network, including a three-layer hierarchical diagram, network requirements, IP addressing methods, and subnetting details. Furthermore, it explores virtualization methodologies in cloud computing, recommending two leading cloud service providers, Amazon Web Services (AWS) and Microsoft Azure, and discussing their virtualization techniques and dynamic scaling capabilities. The report concludes with recommendations and a summary of the key findings, providing a detailed assessment of APIC's network infrastructure and its potential for future growth and optimization.