Quotes About TCP

commands like ping. As a protocol, ICMP does not rely on TCP or UDP, and it does not use any application layer protocol. It exists as a protocol used to assist IP by helping manage the IP network functions.

TCP works very hard to get the data delivered in order without errors and does retransmissions and recoveries and all that kind of stuff which is exactly what you want in a file transfer because so you don't want any errors in your file.

Coming back to the topic of computer security, the TCP Wrapper is an example of such a safety net. I wrote it when my systems were under attack by someone who appeared to walk through walls.

Kahn and Cerf had already started planning it out: a completely rewritten version of the existing Arpanet protocol that they called TCP, the Transmission Control Protocol.