What is difference between adhoc and infrastructure networks?

Ad hoc networks are temporary, decentralized networks formed spontaneously by devices communicating directly with one another without a central control point, often used for short-term connectivity. In contrast, infrastructure networks rely on a central access point, such as a router or switch, to facilitate communication between devices, providing a more stable and organized structure. Infrastructure networks typically offer better reliability and scalability, while ad hoc networks are more flexible and can be quickly established in dynamic environments.