Definition
Traffic refers to the flow of data packets across a network. It encompasses all digital communications, from simple web browsing to complex application interactions. Understanding traffic is crucial for network management, security analysis, and performance optimization as it allows professionals to monitor, control, and secure the movement of information. For instance, analyzing network traffic can reveal unusual patterns indicative of a cyberattack or a performance bottleneck. While often used interchangeably with 'data,' traffic specifically denotes the movement and transmission of that data. Concepts of traffic are fundamental to domains like Network+, Security+, and AWS Certified Solutions Architect Associate.