Information Technology Systems Infrastructure
Chapter 11 is one of the most important chapters in the book. The TCP/IP suite of protocols is the basis for information technology networked systems. TCP/IP operates on levels 3 and 4 of the OSI networking model. Data is encapsulated from the application program through the seven layers down to the network wire, sent across the network, and then decapsulated back up the seven layers to the application on the other end.
Chapter 11 covers the family of TCP/IP communications protocols related to security systems, including TCP, UDP, RTP and IP. TCP/IP protocols are described both as protocols and also as an addressing scheme. Chapter 11 also includes common wiring schemes including Ethernet ...
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