For most users, they will be setting up a LAN (local area network) or WLAN (wireless LAN) and all computers on the Internet without a full subscription service to pay their broadband ISP for each computer on the network. In many cases, an ISP you can use a router and several computers with a single Internet connection and a nominal fee for each additional computer sharing the connection.
This is when home users will want to look at smaller routers, often called broadband routers that enable two or more computers sharing an Internet connection. Within a business or organization, you may have more computers accessing the internet, while even some private networks - and this is the kind of functions for a router design.
