Token Ring FDDI, . (Source Routing, SR) , - , , , -. , , - - , - .
Source Routing ( , SR-) , . 3.21. , . . SR- , , .
. 3.21. Source Routing
SR- ( Routing Information Field, RIF, Token Ring FDDI) . , , . . -, , ( ) ( ) 1, -, ( ).
, , , RIF 1 / (I/G) ( , ).
RIF , .
RIF. RIF, .
, MTU. ( MTU ).
RIF , , .
- - SRBF (single-route broadcast frame) - ARBF (all-route broadcast frame).
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SR- , ARBF , - , SRBF , . . 3.21 3 SRBF.
, , -, , , -, , , . , , , - . , , . , - SRBF.
SRBF RIF, . , SR- , . SRBF sr-moct . - SRBF , .
- SRBF, , . - ARBF -. SRBF . RIF ( , ), .
ARBF . - , . , .
- -, , ( ). ARBF .
.
, , . 3.1.
3.1.
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- - Token Ring. , , , , .
. , . . . , . , SRT (Source Route Transparent), . Token Ring , .
20. , . .
- , . . , . 3.22.
. 3.22.
, . 10 . , .
1 10 . 1, 2. 10 1, :
, 2. , Ethernet. 2 1 ( 2 . 3.22). 2 2 . , 10 , , , 10 2, 1. 2 , 10 2.
2 10:
1, 2 2.
.
, ( - , - . .).
, , .
, 10 , .
, , , , . , .
, .
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. , . , , , - .
, , . , , . (Spanning Tree Algorithm, STA), . , , , .
21. 8- , . ( " ").