288_________________________________________ Internet

4.      . 
 RPC   ,   
  .     -
   RPC.     
        
 RPC-.

5.    .    
   ,    
       .

  

  RPC-   , 
RPC-      .
       ,  
 (RM  Record Marker).  RPC- "" -
  RM.

RPC-     .  -
       ( 0  2**31-1) . 
  ,     ,  -
 31     .

 RPC       
   XDR  ,   -
.   ,    RPC  
XDR,    .

 RPC-   :

struct rpc msg (

unsigned int xid;

union switch (msg_type mtype) {
case CALL:

call body cbody;

case REPLY:

reply_body rbody;

} body;

);

 xid    , call_body   ,
reply_body   .     :