.


:




:

































 

 

 

 


(TCP)




TCP . , . :

1. , , , , , ( ) ISN (Initial Sequence number).

2. , ISN , ISN , 1.

3. , ISN , 1.

, ISN . , TCP TCP , , , , , .

(UDP)

TCP UDP . UDP , . UDP IP . UDP TCP , , , TCP, .

. , ( ) ( ). TCP/IP IP.

IP

IP , . (ASK, Acknowledgment) . , , .

. IP . . , , .

IP-

TCP/IP : (MAC-), (IP-) (DNS-).

, , , , . , - і , , 11-0-17-3D-BC-01. , . 6 : 3 - , 3 .

, IP-, 4 , , 109.26.17.100. . . IP- : . , Internet (Network Information Center, NIC), Internet. Internet NIC, . IP . IP- - , . IP-. IP-, . IP- , .

, DNS-, , SERV1.IBM.COM. , , , , . , , FTP telnet.





:


: 2016-03-28; !; : 528 |


:

:

, .
==> ...

815 - | 652 -


© 2015-2024 lektsii.org - -

: 0.011 .