This document provides a design for the network of DIT Bank, a medium-sized banking organization. It includes:
1) Logical and physical network diagrams for the headquarters building and remote locations. Subnets are defined for different departments and sites.
2) Requirements for the network design including business goals of reducing costs and enhancing productivity, and technical goals of high availability, scalability, and security.
3) Descriptions of the network applications used by banks and the different user communities and data stores.
4) Details of the physical network infrastructure for the headquarters and remote sites, including access, distribution, and core networks at HQ and connectivity between sites.