.
: - , - . .
, ATM. AF 6 , : CBR, VBR-nrt (VBR ), VBR-rt (VBR ), UBR, ABR GFR, , , ATM .
, . ATM QoS . .800 I.350, , QoS : QoS NP.
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6-1. , ATM? OSI ?
6-2. ATM ?
6-3. ATM?
6-4. ATM?
6-5. ATM 11?
6-6. ATM? ?
6-7. ATM?
6-8. AAL ATM?
6-9. AAL ATM?
6-10. ATM ATM?
6-11. LANE, ?
6-12. VoATM, ?
7
ISDN
- Packet Switched Network (PSN), .25, Frame Relay ATM. - , , , , , . , PAD'ob - - () FRAD'ob - FR.
- (.. , ) , (CBR) , - Circuit Switched Network (CSN). , : ( ), (), , , 80- () (), Integrated Services Digital Network (ISDN).
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, , , , , ( " ") - .
ISDN
ISDN
ISDN - Narrowband ISDN (N-ISDN), , , , B- ( - Bearer channels), 64 /. (2×64=128 /) , D- (Delta channel) 16 /. , ISDN , , 1984 ( 1993, ITU-T).
(2×64+16=144 /) , , . 1986 AT&T 5ESS (. ).
ISDN, , / D, 144 /. ,
160 192 /. -- , .. , , 384 /, , 0, 6 (3 2) . : 10, 11 12, ISDN (-ISDN)
ISDN
, ISDN : - , , (), .
, , , (), , (-), broadband ISDN (B-ISDN).
B-ISDN: (23B+D) (30B+D). D- 64 /, B-ISDN 1536 /, - 1984 /.
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