NSAP. . NMS.
(), . , 100. , , . , .
, : - , , "" (, , , 4 ),
- SDH ( ),
- , , NSAP .
, , , . , 1 IS-IS , 2 .
NSAP .3-13. - 20 .
NSAP : - DSP.
- .
- - , SDH SDH. NM, SDH, SDH. - , . , .
- IBM PC , , Windows, Windows 95, Windows NT. , -, , SDH. , - Options, Window, Help, : Node - , Data - , Monitor - Configure - .
|
|
, -: , -, .
.
- NM - , SDH SDH . , 3.1, OSI, :
- - () ,
- ,
- NE , NM, , , ITU-T G.784 [23], . [60], .217 [99], .227 [100], .219 [101], .229 [102], ISO 9595 [103], ISO 9596 [83]. , , NM :
- ,
- ,
- ,
- ,
- ,
- .
NM , OS Unix, SUN SPARC (OS Solaris) Hewlett Packard (OS OpenView) , , , "OpenView" Hewlett Packard, , NM
ENM ECI [122], SUN SPARC OS Solaris (Unix- OS) - Alarm, Performance, Configuration, Maintenance, Security, System, . , .
12. SDH
SDH , . , G.810 [116], , . , , "" "" (slip) .
- . , .
, , PRC (), , , - SRC (), , TNC, () LNC. ( ) 1011. UTC [117]. .
|
|
[116]: - . , , .
SDH, "-", , , .
.2.7.2, [29], SDH :
- , PRC, ITU-T G.811 [118], 2048 ;
- , TNC, ITU-T G.812 [119], 2048 , 2048 /;
- , LNC, ITU-T G.812 [119], 2048 ;
- STM-N, , 2048 , 155.520 / 4n x 155.520 /.
, 2 / , , SDH . 1-5x106 - ,
" ", . STM-N.
PDH (/ ). . SDH, STM-N, . SDH PRS, " " [117]. PRS Bellcore GR-2830-CORE [120].