B-ISDN
n (U-plane) , , .. .
n (C-plane) , . . .
n (M-plane) : () () . "" ATM, . .
B-ISDN
| . / . . / . | ||
| . / . / . / . | ||
| , . |
(QoS)
:
n (CBR- onstant Bit Rate);
n (VBR -Variable Bit Rate),
VBRrt, VBRnrt;
n (UBR - Unspecified Bit Rate);
n (ABR- Available Bit Rate).
(QoS) :
n (PCR -Peak Cell Rate), (SCR -Sustainable Cell Rate) (MCR Minimum Cell Rate) ;
n (Cell loss ratio) , ;
n (Cell transfer delay) ( ), ;
n (Cell delay variation - CDV) - .
