KS X 3704-2006 Information technology-Telecommunications and informationexchange between systems-Open Systems Interconnection-Transport protocol identification mechanism《信息技术 系统间通信.pdf

1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 28 http:/www.kats.go.krKS X 3704 KS X 3704： 2006 (2011 ) X 3704： 2006 : ( ) ( ) : (http:/www.standard.go.kr) ： ：1996 12 31 ：2006 12 28 ：2011 12 29 2011-0657 ： ： ( 02-509-72635) (http:/www.kats.go.kr). 10 5 , . X 3704： 2006 i . X 3704： 2006 ii 1. 1 2

2、. 1 3. 1 4. 2 4.1 2 4.2 TPDU 2 5. 2 6. 2 6.1 2 6.2 2 6.3 2 7. UN TPDU 2 7.1 2 7.2 3 7.3 3 7.4 3 8. 3 8.1 3 8.2 NCONNECT 4 (PICS) 5 ICS 35.100.40 KS X 3704： 2006(2011 ) Information technology Telecommunications and information exchange between systems Open Systems Interconnection Transport protocol i

3、dentification mechanism 1. ISO/IEC 8073 ISO/IEC 8073 . OSI OSI OSI . KS X 3002 3 NSAP OSI OSI . NSAP NSAP . 2. KS X 3002 KS X 3002 3 KS X 3503 KS X 3701 ISO/IEC 8073： 1992 Information technology Telecommunication and information exchange between systemsOpen Systems Interconnection Protocol for provi

4、ding the connection-mode transport service ISO/IEC 8602： 1986 Information processing systems Open Systems Interconnection Protocol for providing the connectionless-mode transport service ISO/IEC 10736： 1992 Information technology Telecommunication and information exchange between systemsTransport la

5、yer security protocol CCITT X.25 Interface between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) for terminals operating in the packets mode and connected to public data networks by delicated circuit CCITT X.244 Procedure for the exchange of protocol identification during

6、virtual call establishment on packet switched public data networks 3. KS X 3002 . (Open Systems Interconnection： OSI) (network connection) (transport entity) X 3704： 2006 2 4. 4.1 UN TPDU TPDU 4.2 TPDU LI (Length indicator field) SHARE (Sharing option field) PRT ID (Protocol identifier field) 5. KS

7、X 3503 . N CONNECT (primitive) NS . 6. 6.1 NS N CONNECT . 6.2 UN TPDU N CONNECT NS . UN TPDU PDU , NCONNECT NS . a) UN TPDU PRT ID 7.3 . b) UN TPDU SHARE 0000 0000( ) . c) UN TPDU . . . a) ( , ) b) ( , ) SHARE UN TPDU . 6.3 (default) , . 7. UN TPDU UN TPDU 32 . (Network Layer) TPDU . X.25 (CALL) . X

8、.25 UN TPDU . CCITT (CCITT X.244 ). 7.1 UN TPDU . 1 2 3 4 5 P LI UN 0000 0001PRT ID SHARE X 3704： 2006 3 7.2 (LI, Length Indicator) TPDU . , 254(1111 1110) . . 2255(1111 1111) . NS . 7.3 (fixed part) . a) UN UN TPDU code： 0000 0001 b) PRTID ： 0000 0000 . 0000 0001 ISO/IEC 8073 0000 0010 ISO/IEC 8602

9、 0000 0011 ISO/IEC 8073 ISO/IEC 10736 0000 0100 ISO/IEC 8602 ISO/IEC 10736 0000 0101 OSI . 0111 1111 1000 0000 . 1111 1111 c) SHARE ： 0000 0000 7.4 . SHARE 0000 0000 . TYPE PRT ID (1101 1111), PRT ID PRT ID , 1 2 3 PRT ID LIST 1101 1111 1 26 TYPE PRT ID LIST(1101 1111), PRT ID PRT ID ( ) 8. 8.1 8.2

10、. 8.1 a) N CONNECT NS ISO/IEC 8073 b) N CONNECT NS UN TPDU UN TPDU X 3704： 2006 4 PRT ID . 8.2 N-CONNECT (indication) a) UN TPDU ISO/IEC 8073 b) UN TPDU UN TPDU PRT ID . . X 3704： 2006 5 (PICS) A.1 A.1.1 M O , . . . . A.2 TPDU TPDU ST1 UN 6.2 P1： O NOT P1： O , ST2 ISO/IEC 8073 UN 6.1, 6.2 ST1： O , ,

11、 ST3 UN 6.3 M Pl： ISO/IEC 8073 . A.3 UN TPDU IU1 7.3 b) ISO/IEC 8073； ISO/IEC 8602； ISO/IEC 8073 ISO/IEC 10736； ISO/IEC 8602 ISO/IEC 10736； ： 1000 0000, , 1111 1111 IU2 7.3 c) . A.4 UN TPDU RU1 7.3 b) ISO/IEC 8073； ISO/IEC 8602； ISO/IEC 8073 ISO/IEC 10736； ISO/IEC 8602 ISO/IEC 10736； ： 1000 0000, ,

12、1111 1111 RU2 7.3 c) . X 3704： 2006 6 A.5 PI1 N CONNECT UN TPDU ISO/IEC 8073 6.1 M PI2 6.1, 6.3 P2： M PI3 6.3 NOT P2： M P2： . 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 3704： 2006 Information technologyTelecommunications and information exchange between systems Open Systems Interconnection Transport protocol identification mechanism ICS 35.100.40