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  2. User Datagram Protocol - Wikipedia

    en.wikipedia.org/wiki/User_Datagram_Protocol

    Because both TCP and UDP run over the same network, in the mid-2000s a few businesses found that an increase in UDP traffic from these real-time applications slightly hindered the performance of applications using TCP such as point of sale, accounting, and database systems (when TCP detects packet loss, it will throttle back its data rate usage).

  3. HTTP/3 - Wikipedia

    en.wikipedia.org/wiki/HTTP/3

    The differences are in the mapping of these semantics to underlying transports. Both HTTP/1.1 and HTTP/2 use TCP as their transport. HTTP/3 uses QUIC, a transport layer network protocol which uses user space congestion control over the User Datagram Protocol (UDP).

  4. Transmission Control Protocol - Wikipedia

    en.wikipedia.org/wiki/Transmission_Control_Protocol

    When TCP runs over IPv6, the method used to compute the checksum is changed: [129] Any transport or other upper-layer protocol that includes the addresses from the IP header in its checksum computation must be modified for use over IPv6, to include the 128-bit IPv6 addresses instead of 32-bit IPv4 addresses.

  5. QUIC - Wikipedia

    en.wikipedia.org/wiki/QUIC

    One concern about the move from TCP to UDP is that TCP is widely adopted and many of the "middleboxes" in the internet infrastructure are tuned for TCP and rate-limit or even block UDP. Google carried out a number of exploratory experiments to characterize this and found that only a small number of connections were blocked in this manner. [3]

  6. STUN - Wikipedia

    en.wikipedia.org/wiki/STUN

    STUN (Session Traversal Utilities for NAT; originally Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators) is a standardized set of methods, including a network protocol, for traversal of network address translator (NAT) gateways in applications of real-time voice, video, messaging, and other interactive communications.

  7. Comparison of file transfer protocols - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_file...

    Some protocols designed to transmit data over UDP also use a TCP port for oversight. The " Server port " column indicates the port from which the server transmits data. In the case of FTP , this port differs from the listening port.

  8. UDP-based Data Transfer Protocol - Wikipedia

    en.wikipedia.org/wiki/UDP-based_Data_Transfer...

    Over the commodity Internet, UDT has been used in many commercial products for fast file transfer over wide area networks. Because UDT is purely based on UDP, it has also been used in many situations where TCP is at a disadvantage to UDP. These scenarios include peer-to-peer applications, video and audio communication, and many others.

  9. WireGuard - Wikipedia

    en.wikipedia.org/wiki/WireGuard

    WireGuard uses only [7] UDP, [5] due to the potential disadvantages of TCP-over-TCP. [7] [11] [12] Tunneling TCP over a TCP-based connection is known as "TCP-over-TCP", and doing so can induce a dramatic loss in transmission performance due to the TCP meltdown problem. Its default server port is UDP 51820.