You are a Network Engineer by "Info Tech" corporation that is one stop IT services company. You are responsible for implementing, maintaining, supporting, developing and in some cases, designing communication networks within organization. Project manager assigned you to new project for their company. Project goal is to ensure the integrity of high availability networks infrastructure to provides maximum performance for the user's requirement. You are responsible for new project to configure and install various network devices and services (eg: router, switches, wireless access points, firewall, Load balancers, VPN, QoS), designing and developing scalable, maintainable, highly available network architectures that meet business requirements.

Considering a given scenario, identify the topology protocol selected for the efficient utilisation of a networking system.