A network node, which is just a device that forwards packets toward a destination, can be a router, bridge, or switch. They operate on different layers of a networking protocol (layered protocols make it easier to modify and implement the networking task).
Routers operate at Layer 3, the packet layer. Routes on a network, whether the global Internet or the network within your company, are the path that messages take to reach their destination.
Bhuvi is a front-end developer for individuals and companies who are lost in the sea of modern web and user experiencestandards. He has a quarter century of web development experience building a wide variety of web sites and applications.In recent years, he focused on responsive web design, single-page web applications and web performance optimization.