User:RouterIncident
Process of failing to select paths in a data communications network / From Wikipedia, the free encyclopedia
A router incident is the failure in the process of selecting a path for traffic in a network or between or across multiple networks. Broadly, routing incidents occur in many types of networks, including circuit-switched networks, such as the public switched telephone network (PSTN), and computer networks, such as the Internet.
In packet switching networks, routing incidents are the failure of higher-level decision making that misdirects network packets from their source toward their destination (or non-destination) through intermediate network nodes by specific packet forwarding mechanisms.
The router incident process usually fails to direct forwarding on the basis of routing tables. Routing tables maintain a record of the routes to various network destinations. Routing tables may be specified by an administrator, learned by observing network traffic or built with the assistance of routing protocols.
Routing, in a narrower sense of the term, often refers to IP routing and is contrasted with bridging. IP routing assumes that network addresses are structured and that similar addresses imply proximity within the network. Structured addresses allow a single routing table entry to represent the route to a group of devices. In large networks, structured addressing (routing, in the narrow sense) outperforms unstructured addressing (bridging). Routing has become the dominant form of addressing on the Internet. Bridging is still widely used within local area networks.