VC-11 VC-12 1544 / 2048 /. G.704. . 3.10 VC-12 3164 /.
3.4
E-n
E-n, . | VC-n | . . VC-n | . . VC-n | ||
-4 | VC-4 | 9(,,,,) | 9 S | ||
31 | VC-3 | 3(C ,C ,C , C ,C ), 3(C ,C ,C , C ,C ) | 3 S , 3 S | ||
-32 | VC-3 | 9(,,,,) | 9 S | ||
-2 | VC-2 | 4(C ,C ,C ), 4(C ,C ,C ) | 4 S , 4 S | ||
-12 | VC-12 | C ,C ,C , C ,C ,C | S , S | ||
-11 | VC-11 | C ,C ,C , C ,C ,C | S , S |
3.5
, / | VC-n | . VC-n |
VC-4 | ||
VC-3 | ||
6,784 | VC-2 | |
2,176 | VC-12 | |
1,600 | VC-11 | |
149760 | VC-4- | 2340 |
| |||
| |||||||
| |||||||
|
. . . . . , . , G.707.
. . 3.11. . , (LOF), (RST), - . , , . - ..
|
|
. 3.11 :
HPA (Higher order path adaptation) - ;
HPC (Higher order path connection) ;
HPT (Higher order path termination) - ;
LPA (Lower order path adaptation) - ;
LPC (Lower order path connection) - ;
LPT (Lower order path termination) - ;
MSA (Multiplex section adaptation) - ;
MST (Multiplex section termination) - ;
RST (Regenerator section termination) - .
LOS (Loss Of Signal) ;
LOF (Loss Of Frame) ;
BIP-8 (Bit Interleaved Parity-8) - -8;
MS-AIS (Multiplex Section Alarm Indication Signal)
;
BIP-24xN (Bit Interleaved Parity -24´N)
-24´N;
AU-AIS (Administrative Unit Alarm Indication Signal) -
;
AU-LOP (Administrative Unit Lost Of Pointer) -
;
HP PLM (Higher Order Path Payload Mismatch)
;
HP TIM (Higher Order Path Trace Identifier Mismatch)
;
REI (Remote Error Indication) ;
RDI (Remote Defect Indication)
;
TU-AIS (Tributary Unit Alarm Indication Signal)
;
TU-LOP (Tributary Unit Lost Of Pointer)
;
LPPLM (Low Order Path Payload Mismatch)
;
LPTIM (Low Order Path Trace Identifier Mismatch) -
;
BIP-2 (Bit Interleaved Parity -2) -
-2.
,
, . . - . ( ) ( ), . , , . . 3.12 3.15 . 3.6 3.9.
, :
|
|
1. " ".
2. .
3. - .
"-" , .
"" -, .
" -" -, .
. 3.12 3.15 . 3.6 3.9 , .
. ( ) , , , , . , , .
3.6
Ai | ||
Aj |
:
() (T)CPi (T)CPj,
i j.
3.7
Ai | Bi | ||
Aj | i = j | X | |
Bj | X | i = j |
:
() - (T)CPi (T)CPj,
i j;
(i = j) - (T)CPi (T)CPj,
i = j, , .
3.8
Ai | Bi | Ci | ||
Aj | i = j | X | X | |
Bj | X | i = j | X | |
Cj | X | X | i = j |
:
() - (T)CPi (T)CPj,
i j;
(i = j) - (T)CPi (T)CPj,
i = j, , .
3.9
Ai | Bi | Ci | Di | ||
Aj | - | i = j | X | - | |
Bj | i = j | - | - | X | |
Cj | X | - | - | - | |
Dj | - | X | - | - |
:
() - (T)CPi (T)CPj,
i j;
(i = j) - (T)CPi (T)CPj,
i = j, , ;
(-) - .
3.1. . :
,
, ,
.
.
. .
|
|
-0, . | -0, . | ||
-11 | STM-64 | ||
-12, . | 97728 / | ||
-21, . | -21, . | ||
-22 | STM-16 | ||
-31 | STM-1,. | ||
-0, . . | STM-1, . | ||
-4 | -12, . | ||
-21, . | -32 | ||
STM-4 | -12, . |
3.2. VC-4 STM - N, 7 8 1 2.
STM-N | ( . ) | ||
STM-1 | 00 00001011 | I | |
STM-4 | 00 00010001 | I | |
STM-16 | 00 00100001 | I | |
STM-64 | 00 00001111 | I | |
STM-256 | 00 00000110 | I | |
STM-1 | 00 00000111 | D | |
STM-4 | 00 10000000 | D | |
STM-16 | 00 00000001 | D | |
STM-64 | 00 00000101 | D | |
STM-256 | 00 00101000 | D |
3.3. VC-n , 7 8 V1 V2.
( . ) | ||||
VC-11 | VC-4 | 00 00001111 | I | |
VC-12 | VC-4 | 00 00000101 | I | |
VC-12 | VC-3 | 00 00001000 | I | |
VC-2 | VC-4 | 00 00001100 | I | |
VC-3 | VC-4 | 00 00001001 | I | |
VC-11 | VC-4 | 00 00000111 | D | |
VC-12 | VC-4 | 00 00000011 | D | |
VC-12 | VC-3 | 00 00001011 | D | |
VC-2 | VC-4 | 00 00000100 | D | |
VC-3 | VC-4 | 00 11000000 | D |
3.4. ( ) .
.
-11 | VC-11 | VC-4 | ||
-12 | VC-12 | VC-4 | ||
-2 | VC-12 | VC-4 | ||
-31 | VC-3 | VC-4 | ||
-32 | VC-3 | VC-4 | ||
-11 | VC-11 | VC-3 | ||
-12 | VC-12 | VC-3 | ||
-2 | VC-2 | VC-3 | ||
-4 | - | VC-4 | ||
-4 | - | VC-4 |
3.5. . . VC-4.
, .
-11 | ||
-12 | ||
-2 | - | |
-31 | ||
-32 | ||
-11 | - | |
-12 | ||
-2 | ||
-4 | - | |
-4 |
|
|
1. , . . . : / . . , . . ; , . . . . -. . , 2013. 56 .
2. , . . SDH OTN: / . . , . . ; , . . . . -. . , 2009. 96 .
3. , . . SDH>NGSDH: . / . . . .: , 2006. 736
4. , . : . ./ . ; .:
.. ,. . . 3- . .: -, 2004. 639 .
5. , . . - : 42000 7400 / . . . 4- ., . . .: , 2013.
793
6. ITU-T Recommendation G.707/Y.1322. Network node interface for the synchronous digital hierarchy (SDH), 2007.
7. ITU-T Recommendation G.800. Unified functional architecture of transport networks, 2012.
酅.. | |
1. .. | |
.. | |
2. ................ | |
.. | |
3. 腅. | |
3.1. | |
3.2. .. | |
3.3. . | |
.. |
,