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UDP Full Form- User Datagram Protocol

Updated on 19 January, 2024

Akansha Semwal

Akansha Semwal

Study Abroad Expert

What is UDP? The full form of UDP is User Datagram Protocol. A communications protocol called User Datagram Protocol (UDP) is used for time-sensitive tasks including DNS lookups, gaming, and video playback. UDP transfers data more quickly since it doesn't take time to establish a strong connection with the destination before doing so. Faster data transfer speeds are achieved by removing this step since creating the connection takes time.  On the other hand, data packets may potentially be lost during transit from the source to the destination due to UDP. It can also make a distributed denial-of-service (DDoS) assault relatively simple for a hacker to carry out.

The key aspects and facts about UDP

  • When compared to other networking protocols, UDP's operation is rather straightforward. 
  • The "datagrams," or packets of data, are transferred to a designated target computer. 
  • Nothing is set up to specify the order the packets should come in. Additionally, there is no way to verify that the datagrams arrived at their intended location.
  • The absence of a mandatory handshake in UDP poses an issue, despite the fact that it has checksums to guarantee data integrity and port numbers to distinguish the role data plays at source and destination. 
  • With UDP, the user exposes the software they are running to unreliable aspects of the underlying network.
  • As a result, there's a chance that the data will be delivered or not. Furthermore, unlike TCP, there is no control over the sequence in which it arrives, so the data may appear jerky, out of order, or with blank spaces when it gets to its destination.
  • However, this might not be a big deal if there's no need to review the material that has been delivered or fix any problems. 
  • UDP is used in video applications for this reason among others. The sporadic hiccups are worth it to get the video signal to its destination on time.

Akansha Semwal

Study Abroad Expert

Akansha Semwal is a content marketer at upGrad and has also worked as a social media marketer & sub-editor. Experienced in creating impressive Statement of Purpose, Essays, and LOR, she knows how to captivate the attention of Admissions Committee. Her research-driven;study-abroad articles helps aspirants to make the prudent decision. She holds a bachelor's & master's degree in Literature from the University of Delhi.

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