Learning Python Networking - Second Edition
by José Manuel Ortega, Dr. M. O. Faruque Sarker, Sam Washington
Introduction to TCP/IP
TCP/IP is a set of protocols that were designed to work together to provide an end-to-end transmission of messages across interconnected networks. TCP provides transparent data transfers between end systems using the services of the lower network layer to move the packets between the two communicating systems. TCP is a protocol that works at the transport layer, while IP works at the network layer.
TCP is responsible for creating connections through a data flow. This process guarantees that the data is delivered to the destination without errors and in the same order in which they came out. It is also used to distinguish different applications in the same device.
IP is responsible for sending and receiving data in blocks. ...
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