transportprotokolli

Transportprotokoll is a Swedish term that translates to "transport protocol" in English. In the context of computer networking, a transport protocol is a crucial layer in the network protocol stack responsible for providing end-to-end communication services for applications. It sits above the network layer and below the application layer.

The primary functions of transport protocols include segmenting data from the application layer into manageable packets for transmission across the network, reassembling these packets at the destination, managing the flow of data to prevent overwhelming the receiver, and ensuring reliable delivery of data. Reliability is often achieved through mechanisms like error detection, acknowledgment of received packets, and retransmission of lost packets.

The most widely used transport protocols on the internet are TCP (Transmission Control Protocol) and UDP (User Datagram Protocol). TCP is a connection-oriented protocol that guarantees reliable, ordered, and error-checked delivery of data. It is suitable for applications where data integrity is paramount, such as web browsing, email, and file transfer. UDP, on the other hand, is a connectionless protocol that offers faster but less reliable data delivery. It is often used for real-time applications like online gaming, video streaming, and voice over IP, where occasional data loss is acceptable in exchange for lower latency.

The choice of transport protocol depends on the specific requirements of the application and the network environment. Understanding the role and differences between transport protocols like TCP and UDP is fundamental to comprehending how data is moved across the internet and other computer networks.