Introduction to the Internet Protocols
Both TCP and UDP control how packets are prepared for sending across the internet and what happens to them when they are received on the other side. The TCP/IP protocols are a suite of protocols used to support different types of communication between devices over an IP network such as the Internet. Part of an important network protocol called TCP/IP that is used to control data moving through the Internet.
When TCP/IP is used on top of X.25, the X.25 interface breaks the datagrams up into 128-byte packets. This is invisible to IP, because the packets are put back crossgrid.org together into a single datagram at the other end before being processed by TCP/IP. So in this case, one IP datagram would be carried by several packets.
- All the protocols used on a TCP/IP network have been categorised/grouped into 4 abstract layers called the TCP Stack.
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