router is?

Router functions as the connector between two or more networks to forward data from one network to another network. Router with a different switch. Switch some of the equipment is to form a Local Area Network (LAN).

Analogy Router and Switch

As an illustration of the difference function router and switch is a switch is a street, and the router is between the roads. Each house is on the road that has an address in a particular order. In the same way, switch the various tools, where each instrument has its own IP address on a LAN.

Router is used in many technology-based network protocol TCP / IP, and the type of router that is also called with the IP Router. In addition to IP Router, there are more AppleTalk Router, and still have some other type of router. Internet is the main example of a network that has multiple IP router. Router can be used to connect many small networks into a larger network, called the internetwork, or to divide a large network into several subnetwork to improve performance and simplify management. Router is also sometimes used to mengoneksikan two networks that use different media (such as a wireless router, in general, than he can connect the computer using the radio, he also supports joining UTP cable to the computer), or a different network architecture, as well as from the Ethernet to Token Ring.

Router can also be used to connect to a wireless telecommunication services such as telecommunications Leased Line or Digital Subscriber Line (DSL). Router used to connect a LAN to a Leased Line connection such as T1, or T3, is often referred to as access servers. Meanwhile, the router used to connect the local network to a DSL connection is also called a DSL router. Router-router type generally has a firewall function to perform packet filtering based on source address and destination address package, although some routers do not have them. Router that has a feature called packet filtering with the packet-filtering router. Generally, the router to block traffic data that emanated the broadcast so that it can prevent the broadcast storm is capable of slow network performance.