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If an application requires a high degree of reliability, a protocol such as the Transmission Control Protocol may be used instead. Most often, UDP applications do not employ reliability mechanisms and may even be hindered by them. Streaming media, real-time multiplayer games and voice over IP (VoIP) are examples of applications that often use ...
In computer networking, the Reliable User Datagram Protocol (RUDP) is a transport layer protocol designed at Bell Labs for the Plan 9 operating system.It aims to provide a solution where UDP is too primitive because guaranteed-order packet delivery is desirable, but TCP adds too much complexity/overhead.
In the context of distributed protocols, reliability properties specify the guarantees that the protocol provides with respect to the delivery of messages to the intended recipient(s). An example of a reliability property for a unicast protocol is "at least once", i.e. at least one copy of the message is guaranteed to be delivered to the recipient.
SABUL was later renamed to UDT starting with version 2.0, which was released in 2004. UDT2 removed the TCP control connection in SABUL and used UDP for both data and control information. UDT2 also introduced a new congestion control algorithm that allowed the protocol to run "fairly and friendly" with concurrent UDT and TCP flows.
Connectionless communication, often referred to as CL-mode communication, [1] is a data transmission method used in packet switching networks, using data packets that are frequently called datagrams, in which each data packet is individually addressed and routed based on information carried in each packet, rather than in the setup information of a prearranged, fixed data channel as in ...
This creates a so-called protocol overhead as the additional data does not contribute to the intrinsic meaning of the message. [5] [6] In telephony, number dialing and call set-up time are overheads. In two-way (but half-duplex) radios, the use of "over" and other signaling needed to avoid collisions is an overhead.
NORM operates on top of the User Datagram Protocol (UDP), and ensures reliable communication based upon a negative acknowledgement (NACK), selective Automatic Repeat Request (ARQ) mechanism, as opposed to the positive acknowledgement (ACK) approach that the standard Transmission Control Protocol (TCP) uses. In other words, receivers using NORM ...
The UDP-based Data Transfer Protocol (UDT) project has been a base for the SRT project. [9] The SRT C API is largely based in design on the UDT API [10] SRT was designed for low-latency live video transmission. [9] [3] Haivision released the SRT protocol and reference implementation as open source at the 2017 NAB Show. [9]