Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
UDP is a connectionless protocol that allows data to be sent across networks without establishing a dedicated connection. It provides fast transmission but does not guarantee delivery or order of packets.
Related terms
ICMP (Internet Control Message Protocol): ICMP is an Internet Layer protocol used by network devices to send error messages indicating issues with packet delivery.
RTP (Real-time Transport Protocol): RTP is a protocol designed for real-time transmission of multimedia data such as audio and video over IP networks.
VoIP (Voice over Internet Protocol): VoIP refers to technologies that allow voice communication over IP networks, enabling phone calls to be made using the internet instead of traditional telephone lines.