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The Internet is a packet-switched network, and most of the protocols in this list are designed for its protocol stack, the IP protocol suite. They use one of two transport layer protocols: the Transmission Control Protocol (TCP) or the User Datagram Protocol (UDP).
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. UDT3 (2006) extended the usage of the protocol to the commodity Internet.
UDP is a connectionless protocol meaning that messages are sent without negotiating a connection and that UDP does not keep track of what it has sent. [ 1 ] [ 2 ] UDP provides checksums for data integrity , and port numbers for addressing different functions at the source and destination of the datagram.
Data are carried using the Transmission Control Protocol (TCP). [10] SOCK_DGRAM will create a datagram socket. [b] A Datagram socket does not guarantee reliability and is connectionless. As a result, the transmission is faster. Data are carried using the User Datagram Protocol (UDP). [14] SOCK_RAW will create an Internet Protocol (IP) datagram ...
The type and planned usage of a service determines the necessary core protocol. In a simple way, the UDP cannot handle huge data transmissions, because it lacks the abilities to rearrange packages in a specified order or guarantee their integrity, but it is faster than TCP. TCP has these functions, but it is slower.
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]
The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the set of communication protocols used in the Internet and similar computer networks according to functional criteria. The foundational protocols in the suite are the Transmission Control Protocol (TCP), the User Datagram Protocol (UDP), and the Internet ...
Transmission Control Protocol (TCP), the main protocol used on the Internet, is a reliable unicast protocol; it provides the abstraction of a reliable byte stream to applications. UDP is an unreliable protocol and is often used in computer games , streaming media or in other situations where speed is an issue and some data loss may be tolerated ...