Internet Protocol, Version 4 (IPv4)
IP was developed approximately 20 years ago for the U.S. Department of Defense (DoD). The DoD needed a way to interconnect the various brands of proprietary computers and their equally proprietary support networks across a common internetwork. This was achieved by way of a layered protocol that insulated applications from networking hardware. This protocol uses a model that is slightly different from the OSI Reference Model. It is known as the TCP/IP Reference Model.
Unlike the OSI Reference Model, the TCP/IP model focuses more on delivering interconnectivity than on rigidly adhering to functional layers. It does this by acknowledging the importance of a hierarchical arrangement of functions, but still leaving ...
Get IP Routing Fundamentals 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.
