TCP . , . :
1. , , , , , ( ) ISN (Initial Sequence number).
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3. , ISN , 1.
, ISN . , TCP TCP , , , , , .
(UDP)
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IP
IP , . (ASK, Acknowledgment) . , , .
. IP . . , , .
IP-
TCP/IP : (MAC-), (IP-) (DNS-).
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, IP-, 4 , , 109.26.17.100. . . IP- : . , Internet (Network Information Center, NIC), Internet. Internet NIC, . IP . IP- - , . IP-. IP-, . IP- , .
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