82_________________________________________ Internet

 . 2.21    IPv6    -
,     TCP.

IPv6 headerNext header = Rouiting	Routing headerNext header = Fragment	Fragment headerNext header = TCP	 : TCP header + data

. 2.21.   IPv6    

     ,   -
   IPv6,  , 
  .      
   . .  ,    
        ,  
  , ,      -
 .

  :       -
       (  -
),         .
     Hop-by-Hop Options,  -
 ,       
 ,    .    ,
        IPv6.

   IPv6   
(      ):

1. IPv6 header.

2. Hop-by-Hop Options header.

3. Destination Options header (  1).   -
  ,       -
    ,   -
  (Routing).

4. Routing header ().

5. Fragment header ().

6. Authentication header ().

7. Encapsulating Security Payload header ( ).
       .

8. Destination Options header (  2).   -
    .  Destination Option
header-1   Destination Option header-2   -
    ,  
    .

9.    (, TCP).