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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.
Applications, such as TFTP, may add rudimentary reliability mechanisms into the application layer as needed. [6] 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.
[1]: §1.1.3 It provides services such as connection-oriented communication, reliability, flow control, and multiplexing. The details of implementation and semantics of the transport layer of the Internet protocol suite , [ 1 ] which is the foundation of the Internet , and the OSI model of general networking are different.
Reliability is a synonym for assurance, which is the term used by the ITU and ATM Forum, and leads to fault-tolerant messaging. Reliable protocols typically incur more overhead than unreliable protocols, and as a result, function more slowly and with less scalability.
The FEC can be configured to be used either reactively (with NACKing receivers) or proactively (silent receivers), or in a hybrid manner that allows tradeoffs in latency and network overhead. Along with supporting reliable transport, NORM also provides TCP-compatible congestion control as well as end-to-end flow control. Unlike TCP, which uses ...
Reliability in iWARP is given by the protocol itself, as TCP is reliable. RoCEv2 on the other hand utilizes UDP which has a far smaller overhead and better performance but does not provide inherent reliability, and therefore reliability must be implemented alongside RoCEv2. One solution is to use converged Ethernet switches to make the local ...
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]
UDP-based Data Transfer Protocol (UDT), is a high-performance data transfer protocol designed for transferring large volumetric datasets over high-speed wide area networks. Such settings are typically disadvantageous for the more common TCP protocol.