 2.   TCP/IP_____________________________77_

    .  , -
       -
     IPv6.

  ,
   IPv6

    IPv6 (. 2.17).
              8              16                              31

Version	Prio.	Flow Label
Payload Length	Next Header	Hop Limit

Destination Address

. 2.17.    IPv6

Version (4 ). .    Internet- 
    6.

Prio (4 ). .     
        -
 .  16      
:    0  7   , 
      .  
-,  e-mail, FTP, NFS, TELNET, X-interactive. 
  8  15  ,     
  ( ) . ,  8 
  ,        -
    ,   15   . -
      -, -  -
 ,      .

Flow Label (24 ).  .     -
  ,   ,    -
   IPv6.   ,  
 ,      0    
.

    ,  -
  (  ),     
    (,   -
    ).   
       ,     -