<P> Although not developed under the OSI Reference Model and not strictly conforming to the OSI definition of the transport layer , the Transmission Control Protocol ( TCP ) and the User Datagram Protocol ( UDP ) of the Internet Protocol Suite are commonly categorized as layer - 4 protocols within OSI . </P>
<P> Although not developed under the OSI Reference Model and not strictly conforming to the OSI definition of the transport layer , the Transmission Control Protocol ( TCP ) and the User Datagram Protocol ( UDP ) of the Internet Protocol Suite are commonly categorized as layer - 4 protocols within OSI . </P>
the tcp and udp protocols both exist at what layer of the osi model
the tcp and udp protocols both exist at what layer of the osi model
layer - 4
layer - 4