Võrgupaketi

A võrgupakett, often translated as network packet, is a unit of data that is transmitted over a computer network. It is the fundamental building block for communication between devices on a network, whether it's a local area network (LAN) or the internet. Each võrgupakett contains a portion of the data being sent, along with control information that helps ensure its proper delivery.

The structure of a võrgupakett is typically divided into two main parts: the header and the payload. The header contains crucial metadata, such as the source and destination IP addresses, the packet's length, and information about the protocol being used (like TCP or UDP). This header acts like an address label and instructions for routers and other network devices, guiding the packet to its intended recipient. The payload, on the other hand, is the actual data being transmitted.

When a larger piece of data needs to be sent across a network, it is broken down into multiple smaller võrgupaketid. This segmentation allows for more efficient transmission and management of data flow. If a packet gets lost or corrupted during transit, only that specific packet needs to be retransmitted, rather than the entire data stream. This process of breaking down and reassembling data into packets is handled by network protocols.