Instead, the packet data are copied and subsequently stored. Packets are not taken away from their original destination when packet capture is performed. It may sound like the original packets are taken completely off the network, however that is not the case. Packet capture refers to a method where IT teams intercept packet data at a certain point along the network. Due to the structural nature of data packets, these bits of data are easily intercepted along specific points throughout a network. It is used for analyzing, troubleshooting, and optimizing network performance. Packet capture is a powerful analysis tool for IT teams. The data contained within certain data packets make them invaluable for network analysis. Information in data packets ensures the reliable and efficient transmission of data across a network. For example, IP data packets may contain an IP address of origin and the intended receiver’s IP address. This information helps data packets reach their destination. As the picture appears on your screen one pixel at a time, the data packets are being delivered to your device.ĭata packets typically contain control information and user data. These small bits of information are seen in action when you have a slow internet connection and a picture loads piece-by-piece. These broken-down structures are typically known as data packets. When data is sent over a network, it is broken down into smaller structures and reassembled into the original form of data at the end point.
IT teams are then able to use the data obtained in order to optimize network and application performance.īefore getting into packet capture, it may be helpful to understand what IT teams are actually capturing. Packet capture is an effective networking tool for IT professionals to obtain comprehensive information about their network traffic. With increasingly saturated volumes of network traffic, IT teams need to be able to ensure that their network can handle the demand.
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