![]() ![]() This layer 4 data can include user data protocol (UDP).ĭepending on the service, TV, computer, or mobile device, millions of packets are transmitted in a certain sequence and need to arrive in the same sequence. The payload is the data that is the actual intended information, the end user videos, phone audio, images and information data - like the page you are reading right now. The header contains information for delivering the data in the payload, like Ethernet ll segments, where the DMAC and SMAC addresses are defined if there is a VLAN or not and IPv4 or IPv6 protocols where the Source IP and destination IP address are defined - these are considered layer 2-3 data. These packets are broken down into two general sections - a header or control information and the payload or user data. Network packets are a granular unit of data used to distribute information across the internet and network. To investigate the root cause of your application's poor performance, you need to access the packet data. That's right, I'm talking about getting your hands dirty and diving into the minutiae of your network. ![]() Until you remember that you can go to the source to investigate data transmission. You're going crazy trying to understand where your bug is. You've checked out all the usual suspects and can't find the issue that needs to be repaired. Imagine this: one of the applications running on your network is performing poorly, and you have no idea why.
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