Network for a large organization.

Think about and describe a scenario whereby you are the individual responsible for the design of a network for a large organization. This network would entail connectivity between sites in the US, Europe, Africa and Japan as well as within regions. Specify the remote-access and WAN technologies you would employ. Explain how you would choose the necessary topology, routers, switches, media, etc. Discuss reasons for choosing those technologies and explain the organizational requirements that would be addressed.