What are the differences between UDP and TCP protocols in terms of reliability and speed?

  • TCP is faster and more reliable as it ensures packet delivery
  • TCP is widely used for streaming media, while UDP is suitable for emails
  • UDP is connection-oriented, while TCP is connectionless
  • UDP is faster but less reliable as it does not guarantee delivery of packets
UDP (User Datagram Protocol) and TCP (Transmission Control Protocol) differ primarily in their reliability and speed characteristics. UDP is faster than TCP but less reliable, as it does not guarantee packet delivery. On the other hand, TCP is slower but more reliable due to its mechanisms such as acknowledgment, retransmission, and flow control, ensuring that data reaches its destination accurately and in order. TCP is commonly used for applications that require high reliability, such as web browsing and file transfers, while UDP is suitable for real-time applications like video streaming and online gaming where speed is prioritized over data integrity.
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