FR , .25,
.
:
1 - () FR;
2 - , FCS; , , 1, - 3;
3 - DLCI ;
4 - DLCI ( FRS), - DLCI (); DLCI DLCI;
5 - FRS DLCI.
, .. . , . , , , , , FR.
FR
. 1 ( ), .
Access Rate (AR) - - FR, , FR;
Allowed Information Rate (AIR) - - ;
Data-Link Connection Identifier (DLCI) - ( ) - FR, FR;
Local Management Interlace (LMI) - - () FRS, ;
Committed Information Rate (CIR) - / () - , , .. CIR=BaTc;
Committed Burst size (Be) - ( ) , ;
Excess Information Rate (EIR) - - EIR=Be/Tc, Be - ( Be) , - ; Be ;
Excess Burst size (Be, Be) - - , ( );
Forward Explicit Congestion Notification (FECN) - ;
Backward Explicit Congestion Notification (BECN) - ( ) ;
Discard Eligibility indicator (DE) - ;
Link Access Procedure for the D channel (LAPD) - D- - ISDN 2 OSI;
Link Access Procedure to FMBS (LAPF) - - - FR- ( ISDN B-, D- -);
Committed rate Time interval (TC) - ().