How are machine learning and AI algorithms being used to optimize traffic routing and bandwidth allocation on the internet?

What is the fundamental architecture of the Internet, including the roles of routers, servers, and clients?

Connections to wireless networks are becoming more important in the world's emerging countries today. Local area networks (LANs) and physical connections have been largely rendered obsolete by the proliferation of wireless technology. Is there anything good or terrible that may be taken away from this circumstance?

In developing nations, wireless network infrastructure is very necessary.In many contexts, local area networks (LANs) and other forms of traditional communication have been displaced by wireless communication.Is it beneficial or harmful?