TCP:- UDP:- 1.It means Transmission control 1.It means user datagram protocol. protocol. 2.TCP assured reliable delivery of data 2.UDPisefficientforbroadcast/mulicast to the destingnation. transmission. 3.It provides extensive error checking 3.It has only basic error mechanism mechanism. using checksum. 4.sequencing of data is a feature of TCP. 4.there is no sequence of data in UDP.