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No TCP a reliable protocol whereas UDP is unreliable.

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16y ago

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Why does WikiAnswers incorrectly refer to UDP which stands for unreliable datagram protocol?

ANSWER According to W. Richard Stevens's book, TCP/IP Illustrated, Volume 1, UDP stands for User Datagram Protocol. It is unreliable, in the sense that there is no retrying defined in the protocol. This is in contrast to TCP, which stands for Transmission Control Protocol. TCP creates a connection layer on top of the unreliable Internet Protocol (IP), by retrying the transmission of sequence-numbered packets so that the receiver can correctly reconstruct the data as it was sent. UDP just transmits the packet, and if any attempt at guaranteeing that a packet was received is needed, it must be done by the application level, not at the protocol level. Note that although it seems like an application should never use an unreliable protocol, the overhead involved in creating TCP connections is often deemed unnecessary, especially for operations done on LANs (ARP, BOOTP, etc).


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TCP is a sub-protocol within the IP protocol. Think of TCP as one of the instruments in a band.


Difference TCP and UDP?

TCP is the protocol of network layer, It is connection oriented protocol. UDP is the protocol of network layer, It is connection less protocol.


What is the bandwidth of TCP-IP protocol?

TCP-IP is a protocol, not a transmission medium. Bandwidth doesn't affect it.


Which is the default protocol used in windows server 2008?

TCP/IP is the standard default.


What protocols are supported by TCP wrappers?

tcp based protocols,internet protocol,sometimes file transfer protocol also supported by tcp wrappers. tcp is reliable and connection oriented.


What is the full form of TCP?

Transmission Control Protocol (TCP) is one of the core protocols of the Internet protocol suite.


In tcp ip the protocol that garuntees packet delivery is ip?

No, the protocol that guarantees packet delivery is TCP.No, the protocol that guarantees packet delivery is TCP.No, the protocol that guarantees packet delivery is TCP.No, the protocol that guarantees packet delivery is TCP.


Why do you have type data gram socket?

A datagram socket represents a connectionless, non-guaranteed communication protocol. It represents the UDP protocol in the TCP/IP suite.Contrast this with a stream socket, which represents a connection oriented, guaranteed, communication protocol. It represents the TCP protocol in the TCP/IP suite.UDP is the underlying protocol for TCP. If you are talking OSI model, UDP is layer 3, and TCP is layer 4.


What protocol is used for breaking data into packets?

TCP


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Which layer of the tcp ip protocol stack do tcp and udp belong to?

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