Routing is the act of moving information across an internetwork from a source to a destination. Along the way, at least one intermediate node typically is encountered. Routing is often contrasted with bridging, which might seem to accomplish precisely the same thing to the casual observer. The primary difference between the two is that bridging occurs at Layer 2 (the link layer) of the OSI reference model, whereas routing occurs at Layer 3 (the network layer). This destination provides routing and bridging with different information to use in the process of moving information from source to destination, so the two functions accomplish their tasks in different ways.
Related Topics:- Routing Components
- Routing Algorithms
- Design Goals
- Algorithm Types
- Static Versus Dynamic
- Single-Path Versus Multipath
- Flat Versus Hierarchical
- Host-Intelligent Versus Router-Intelligent
- Intradomain Versus Interdomain
- Link-State Versus Distance Vector
- Routing Metrics
- Network Routing Protocols
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