What are some of the benefits of routing?

What will be an ideal response?

Network administrators use routers in large networks to provide packet filtering, connections between local networks, traffic control, and wide area network (WAN) connections. Routers operate at the Network layer of the OSI reference model and because of Network layer addressing, routers can direct packets to both local and remote segments.

One of the main benefits of using a router is that it filters traffic. When a device sends a packet on the local segment, all other devices on that segment must receive or discard the packet. Bridges can segment the network at the Data Link layer, but broadcast traffic from one segment to another must still pass through the bridge because the bridge cannot distinguish addresses above layer 2. In a large network composed of one large segment, this broadcast traffic could seriously affect performance. Routers solve the problem by filtering traffic and forwarding only packets that are addressed to hosts on other networks. In this way, routers reduce traffic by segmenting the network and filtering broadcasts. Said another way, routers create collision domains as well as broadcast domains.