routers

Routers are those connectivity devices that connect two different networks means they are used two form more bigger network by connecting two networks if and only if that two different networks have SAME PROTOCOLUnlike bridges router when connect two n/w it never make a single n/w means two n/w are connected and their address space is also different means they exists as two n/w’s (different) which are able to communicate with each other.But bridge when connect two n/w it form a one bigger means they have common address space means they have SAME NETWORK ADDRESS.Router also performs ROUTING which means to finding out BEST path when there are multiple paths exists between two hosts.