UDP
Port Number
UDP is a layer 4 (transport) protocol.
the protocol used for email is simple mail transfer protocol and the layer is transport layer.
transport layer
UDP is a Transport layer protocol or fourth layer protocol. UDP is a connection less protocol used in transport layer. UDP header have four fields in total .
**The TCP transport layer protocol uses windowing and acknowledgments for reliable transfer of data. **The TCP and UDP port numbers are used by application layer protocols. **The TCP transport layer protocol provides services to direct the data packets to their destination hosts.
There are actually two different GTP protocols. GTP (Go Text Protocol) is basically an application layer protocol, although the definition is a bit fuzzy. GTP (GPRS Tunneling Protocol) is a transport layer protocol that is used in conjunction with another transport layer protocol (TCP or UDP).
transport protocol control the transportation of data and choose the best way for transmit ion.
TCP and UDP are transport layer protocols; the OSI layer is layer 4 (transport)
transport protocol control the transportation of data and choose the best way for transmit ion.
Layer 4 (Transport)
Transport layer TCP/IP Protocols are TCP and UDP