1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 22 http:/www.kats.go.krKS X 3109 KS X 3109： 2006 (2011 ) X 3109： 2006 : ( ) ( ) : (http:/www.standard.go.kr) ： ：1996 12 31 ：2006 12 22 ：2011 12 29 2011-0657 ： ： ( 02-509-72635) (http:/www.kats.go.kr). 10 5 , . ICS 35.100.10 KS X 3109： 2006(2011 ) In
2、formation technology Open Systems Interconnection Physical service definition 1. 1.1 OSI . a) b) c) . OSI . , (entities) . . OSI . 1.2 . . KS X 0001 9 9： KS X 0001 10 10： KS X 3002 ISO/TR 8509： 1987 (Information processing systems Open Systems Interconnection Service conventions) ITU T X.200： 1989 I
3、TU T (Reference Model of Open Systems Interconnection for ITU T Applications) ITU T X.210： 1989 ITU T (Service Conventions of Open Systems Interconnection for ITU T Applications) 1.3 . KS X 0001 9 KS X 0001 10 . 1.3.1 OSI , KS X 3002 . a) (data circuit) b) (physical connection) c) (physical layer) d
4、) (physical media) X 3109： 2006 2 e) (physical service) f) (physical service access point) g) (physical service data unit) 1.3.2 OSI ISO/TR 8509 . a) (physical service user) b) (physical service provider) c) (primitive) d) (request) e) (indication) 1.4 OSI (Open Systems Interconnection) Ph (Physical
5、) PhC (Physical Connection) PhL (Physical Layer) PhPDU (Physical Protocol Data Unit) PhS (Physical Service) PhSAP (Physical Service Access Point) PhSDU (Physical Service Data Unit) QOS (Quality of Service) 1.5 1.5.1 OSI (ISO/TR 8509) (ITU T X.210 ). , , . 1.5.2 (ISO/TR 8509 ) . 1 4 (2.1 2.4 ). . ( )
6、 . . a) c) . . b) ( ) . c) . . PhSAP( ) . X 3109： 2006 3 1.5.3 PhC( ) PhSAP PhC PhS( ) , PhC( ) . PhSAP PhC . . PhC PhC . 1.6 PhS (transparent) . PhS . PhS . PhS PhS PhC . PhC , . . a) . . b) PhC . c) PhC PhSAP (PhC PhSAP , PhSAP PhSAP ). PhC (relay) . , PhC , KS X 3002 7.5.4.1( )(ITU T X.200 ) . ,
7、. . , . ITU T . 1.7 1.7.1 PhS . a) PhSDU( ) PhC . PhC PhS . PhC ( ) . b) PhC PhSDU . PhSDU . PhSDU ( ) PhC PhPDU( ) . PhSDU . c) PhSAP PhC . PhSAP PhC (1.5.3 ). d) PhS PhS PhC . PhC ( ) . 1.7.2 . X 3109： 2006 4 a) PhSDU ( ) , ( ) ( ) . , (1.8 ). b) , , PhSDU . c) PhSDU . . , . d) . . e) PhS PhC . 1.
8、8 , . a) b) , , , . , PhS ( ) . c) (point to point) (multi point) LAN . 1.9 1.9.1 OSI (ISO/TR 8509 4.) . PhSAP PhS PhS . PhS PhS . ( PhSAP ) PhC . PhC . PhSAP . 1.9.2 PhC PhC PhSAP . ( 1 ). (PhPDU) . . X 3109： 2006 5 1 PhC 1.9.3 PhS PhC PhC 1.9.2 ( 2 ). 2 PhS PhC 1.9.4 PhC PhC PhC( ) PhC( ) ( 3 ). P
9、hC . . A B Ph A B Ph PhL X 3109： 2006 6 3 PhC 1.10 “ (Quality Of Service： QOS)” PhC . QOS PhS PhC . PhS (PhS .) . PhS PhC QOS . PhC . PhC . a) (service availability) b) (error rate)： , , . c) (throughput) d) (transit delay) e) (protection)( ) QOS QOS . , . QOS PhC . PhS QOS , . 2. 2.1 2.2 2.4 . , .
10、1 PhS , ( , , ) . 2.1.1 PhC PhC PhC . PhC PhL A B Ph 3 2 3 2 M X 3109： 2006 7 2.2 2.4 . 4 . . 2.1.2 PhC PhC , 5 . 6 14 . 1 PhC (1) PhC Ph ACTIVATE (2) Ph ACTIVATE Ph DATA PhS Ph DATA PhC (1) PhC Ph DEACTIVATE (3) Ph DEACTIVATE (1) PhC PhC . (2) (1.8 ). (3) PhC . X 3109： 2006 8 ( ) 5 . 4 PhS , , PhS
11、, , PhS , PhS , PhS PhS , , PhS PhS , , , PhS PhS X 3109： 2006 9 5 PhC 6 / 1 INACTIVE2 ACTIVE 4 ACTIVE 3 ACTIVE Ph DATA Ph DATA Ph ACTIVATE Ph DEACTIVATE 1 INACTIVE 2 ACTIVE Ph DATA Ph DATA X 3109： 2006 10 7 , 8 , 1 INACTIVE3 ACTIVE Ph DATA 1 INACTIVE 4 ACTIVE Ph DATA X 3109： 2006 11 9 10 11 1 INACT
12、IVE3 ACTIVE Ph DATA Ph DATA Ph DEACTIVATE Ph ACTIVATE 4 ACTIVE 2 ACTIVE Ph DATA 3 ACTIVE Ph DATA X 3109： 2006 12 12 13 14 / 4 ACTIVE Ph DATA 3 ACTIVE Ph DATA 4 ACTIVE Ph DATA 2 ACTIVE Ph DATA 4 ACTIVE Ph DATA X 3109： 2006 13 2.2 PhC 2.2.1 PhC PhPDU , . Ph ACTIVATE PhC . , . Ph ACTIVATE , Ph ACTIVATE
13、 . Ph ACTIVATE PhS PhACTIVATE Ph DEACTIVATE . 2.2.2 PhC 2 . . 2.2.3 15 . 2 Ph ACTIVATE Ph ACTIVATE (4) (4) . 2.3 PhC 2.3.1 PhC PhPDU . . Ph DEACTIVATE PhC . , . Ph DEACTIVATE , Ph DEACTIVATE . Ph ACTIVATE PhS PhDEACTIVATE . 2.3.2 PhC 3 . 3 Ph DEACTIVATE Ph DEACTIVATE (5) (5) . X 3109： 2006 14 ACTIVE
14、 PhS PhS . 15 PhS PhS ： ( ) PhS PhS Ph ACTIVATE Ph ACTIVATE Ph ACTIVATE Ph ACTIVATE Ph ACTIVATE Ph ACTIVATE Ph ACTIVATE Ph ACTIVATE Ph DEACTIVATE X 3109： 2006 15 Ph DEACTIVATE PhS (invocation) PhS . 16 PhS Ph DEACTIVATE Ph DEACTIVATE PhS PhS ： ( ) Ph DEACTIVATE Ph DEACTIVATE Ph DEACTIVATE PhS Ph DEA
15、CTIVATE Ph DEACTIVATE PhS Ph DEACTIVATE Ph DEACTIVATE PhS Ph DEACTIVATE Ph DEACTIVATE Ph DEACTIVATE Ph DEACTIVATE X 3109： 2006 16 2.3.3 16 . 2.4 2.4.1 (PhSDU) . PhSDU . 2.4.2 4 . PhS PhSDU . PhSDU PhS . PhS PhSDU . 4 Ph DATA Ph DATA (6) X X( ) (6) . 2.4.3 PhSDU PhS (1.9 ). (PhSDU) . Ph DATA . Ph ACT
16、IVATE (PhSDU) PhS . Ph ACTIVATE (PhSDU) PhS . 17 . 17 Ph DEACTIVATE . 17 Ph DATA Ph DATA 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS X 3109： 2006 Information technology Open Systems Interconnection Physical service definition ICS 35.100.10
