KS X 3901-2008 Information processing systems－Open Systems Interconnection－Basic connection oriented session service definition《信息处理系统 开放系统互连 基本连接定向服务定义》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS X 3901 KS X 3901:2008 2008 12 16 http:/www.kats.go.krKS X 3901:2008 : ( ) ( ) () ()SJ ( ) : (http:/www.standard.go.kr) ： ： 1988 12 24 ： 2008 12 16 2008-0888 ： ： ( 02-509-7262) (http:/www.kats.go.kr). 10 5 , . KS X 3901:2008 Information processing systems

2、Open Systems InterconnectionBasic connection oriented session service definition 1 ( OSI .) . a) b) c) OSI OSI . . . 2 . . ( ) . KS X 3002, KS X 3304, KS X 3701, KS X 3902, 3 . 4. . 3.1 KS X 3002 , . KS X 3901:2008 2 a) b) c) d) e) f) g) h) (duplex) i) (half-duplex) 3.2 OSI ( ) . a) b) c) d) ( ) e)

3、( ) f) ( ) g) ( ) 3.3 . a) SS (calling SS user) SS b) SS (called SS user) SS SS c) SS (responding SS user) SS SS SS , SS SS . SS , SS . d) SS (sending SS user) (13. ) SS e) SS (receiving SS user) SS SS SS . f) , SS (requestor, requesting SS user) SS g) , SS (acceptor, accepting SS user) SS h) (token

4、) SS i) ( )conditional(parameter) KS X 3901:2008 3 . j) (proposed parameter) S CONNECT S CONNECT SS k) (selected parameter) 4 4.1 . a) SS (session service) b) SSAP (session service access point) c) SSDU (session service data unit) d) NSSDU (normal data session service data unit) e) TSSDU (typed data

5、 session service data unit) f) XSSDU (expedited session service data unit) g) QOS (quality of service) 4.2 . a) V(A) 10.4.1.1 b) V(M) 10.4.1.2 c) V(R) 10.4.1.3 d) Vsc 10.4.1.4 5 5.1 OSI ( ) . , . 11.4 SS SS . 5.2 9 28 . “M”, “C”, “U”, , “( )” . a) M . b) C . KS X 3901:2008 4 . c) U . d) . e) ( ) . 6

6、 OSI ( ) . 2 SSAP SS SS . SS SS . 7 7.1 SS . SS . a) SS , . b) , , . c) . d) , . 7.2 SS . . a) 4 . 1) 2) 3) 4) b) . 1) , . 1.1) SS . ( ) . 1.2) SS . . 2) SS . , SS . SS KS X 3901:2008 5 (7.4 ) SS . 11.2 . 7.3 SS . SS (11.4 ). SS SS . 2 . a) b) . . . . . 1 . . 1 7.4 SS . . , . . , . . 2 . SS . 2 ( )

7、KS X 3901:2008 6 7.5 SS . . . . 3 . a) . b) . c) SS . 7.6 SS . 7.6.1 (9. ) . SS . SS SS . 12.1.2 . 7.6.2 . a) SS . 1) SS 2) SS 3) SS b) . 1) “ SS ” SS SS 2) SS 7.6.3 SS , , SS . SS , . SS , SS SS . KS X 3901:2008 7 SS . . 8 3 . 8.1 8.2 . 12. 14. . 8.1 SS . (12.1 ) . . 8.2 SS . . a) 4 . 1) (13.1 ) SS

8、DU(NSSDU) . . 2) (13.2 ) , SSDU(XSSDU) . 3) (13.3 ) SSDU (TSSDU) . 4) (13.4 ) , SS . b) 3 . 1) (13.5 ) SS SS . 2) (13.6 ) SS SS . 3) (13.7 ) SS SS . c) 3 . 1) (13.8 ) SS NSSDU TSSDU NSSDU TSSNU . . 2) (13.9 ) SS KS X 3901:2008 8 NSSDU, TSSDU XSSDU . . 3) (13.10 ) SS . NSSDU, TSSDU XSSDU . d) 2 . 1)

9、(13.11 ) SS SS SS . NSSDU, TSSDU XSSDU . 2) (13.12 ) SS , SS . NSSDU, TSSDU XSSDU . e) 5 . 1) (13.13 ) . . 2) (13.14 ) . . 3) (13.15 ) . . NSSDU, TSSDU XSSDU . 4) (13.16 ) . . NSSDU, TSSDU XSSDU . 5) (13.17 ) . . . SS , , , , , , , . 8.3 . 3 . a) (14.1 ) . b) (14.2 ) . NSSDU, TSSDU XSSDU . c) (14.3

10、) SS . NSSDU, TSSDU XSSDU . . 9 KS X 3901:2008 9 9.1 . a) SS b) 1 . . 1 ： mm 2 . KS X 3901:2008 10 2 ( ) 12.1 13.1 14.1 14.2 14.3 14.1 13.5 13.6 13.5 13.6 13.2 13.3 13.4 13.8 13.5 13.6 13.9 13.5 13.6 13.10 13.11 13.12 13.13 13.14 13.15 13.16 13.17 13.5 13.6 13.7 9.1.1 , . 9.1.2 . . 9.1.3 KS X 3901:2

11、008 11 . . . 9.1.4 . . 9.1.5 . 9.1.6 . 9.1.7 . . 9.1.8 . . 9.1.9 . . 9.1.10 . 9.1.11 . . 9.1.12 . . 9.2 . a) KS X 3901:2008 12 . b) . , 3 . . . . 9.2.1 (BCS) . . . a) b) c) 9.2.2 (BSS) , , , , . . a) b) c) d) e) f) g) h) 9.2.3 (BAS) , , , , . . a) b) c) d) KS X 3901:2008 13 e) f) g) 10 (QOS) . QOS SS . SS SS . SS QOS . SS QOS . 10.1 QOS QOS QOS . QOS 10.3 . SS SS QOS . QOS 2 . a) 1) (10.3.9 ) 2) (10.3.10 ) 3) (10.3.5 ) 4) (10.3.3 ) 5) (10.3.4 ) 6) (10.3.13 ) 7) (10.3.12 ) b) ,