Part II-8. TCP/IP TRANSPORT LAYER PROTOCOLS
The first three layers of the OSI Reference Model—the physical layer, data link layer, and network layer—are very important layers for understanding how networks function. The physical layer moves bits over wires; the data link layer moves frames on a network; and the network layer moves datagrams on an internetwork. Taken as a whole, they are the parts of a protocol stack that are responsible for the actual nuts and bolts of getting data from one place to another.
Immediately above these three layers is the fourth layer of the OSI Reference Model: the transport layer, called the host-to-host transport layer in the TCP/IP ...
Get TCP/IP Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
