 2.   TCP/IP 67

10 16 24 31

Source Port	Destination Port
Sequence Number
Acknowlegement Number
Data Offset	Reserved	U R G	A  	P S H	R S 	S Y N	F I N	Window
Checksum	Urgent Pointer
Options	Padding
Data

. 2.13.  TCP-

Acknowledgment Number (32 ).     -
.       ,  
      , 
 .     
 .

Data Offset (4 ).    .   -
 32-   TCP-.    -
    .

Reserved (6 ).  .  .
  ( ):

URG:    

:    ,   

PSH:     

RST:     

SYN:     

FIN:         

Window (16 ). .      , 
    ,    ,
   Acknowledgment Number.

Checksum (16 ).   .    16 
   16-    .  -
       ,   -
  .      -
    .