ISO-ISP-12068-2-1996.pdf
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1、INTERNATIONAL STANDARDIZED PROFILE ISO/IEC ISP 12068-2 First edition 1996-l l-01 Information technology - International Standardized Profile FDI 4 - Directory data definitions - Use of the Directory for OSI TP - Part 2: FDI 42 - Enhanced naming and addressing Technologies de /information - Profil no
2、rmaM international FDI 4 - Dkfinitions des don - European Workshop for Open Systems (EWOS); - OSE Implementors Workshop (OIW); ISO/IEC ISP 12068 consists of the following parts under the general title Information technology - Memational Standardized Profile FDI 4 - Directory data definitions - Use o
3、f the Directory for OS/ TP : - Part I : FDI 41- Basic naming and addressing - Part 2 : FDI 42 - Enhanced naming and addressing Annexes A and B form an integral part of this part of ISO/IEC ISP 12068. iii Copyright International Organization for Standardization Provided by IHS under license with ISO
4、Licensee=Defense Supply Ctr/9960866100 Not for Resale, 04/24/2007 12:15:02 MDTNo reproduction or networking permitted without license from IHS -,-,- ISOAEC ISP 12068-2:1996(E) 0 ISOAEC Introduction The concept and structure of International Standardized Profiles for Information Systems are laid down
5、 in the Technical Report ISO/IEC TR 10000. The purpose of an International Standardized Profile is to recommend when and how certain information technology standards shall be used. ISOAEC ISP 12068 specifies application profile FDI 4 as defined in the Technical Report ISOAEC TR 10000-2. ISOllEC ISP
6、12068 is one of a set of International Standardized Profiles relating to the Directory (see ISOllEC TR 10000-2). It specifies the schema of information for the OSI TP application to be stored in the Directory according to ISO/IEC 9594. ISOAEC ISP 10616 profiles information to be stored within the Di
7、rectory which is common to a variety of applications. This ISP augments that information with OSI TP specific information. Statements and conformance requirements stated in ISP for the information profiled by ISOAEC ISP 10616 are also valid for the OSI TP specific information profiled by this ISP. I
8、SOAEC ISP 12068 specifies the use of the Directory for OSI TP, using existing object class and attribute type definitions from the Directory specifications themselves, and additional definitions. These existing and additional definitions are also intended to support the use of the Directory by users
9、 of OSI TP applications. iv Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Defense Supply Ctr/9960866100 Not for Resale, 04/24/2007 12:15:02 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARDIZED
10、PROFILE o ISO/IEC ISO/IEC ISP 12066-2:1996(E) Information technology - International Standardized Profile FDI 4 - Directory data definitions - Use of the Directory for OSI TP - Part2: FDI 42 - Enhanced naming and addressing 1 Scope 1 .I General ISOllEC ISP 10616 profiles information to be stored wit
11、hin the Directory which is common to a variety of applications. ISOllEC ISP 12068 augments this information with OSI TP specific information. Statements and conformance requirements stated in ISOllEC ISP 10616 for the information profiled by ISO/IEC ISP 10616 are also valid for the OSI TP specific i
12、nformation profiled by this international Standardized Profile. ISOllEC ISP 12068 specifies the use of the Directory, for OSI TP, using existing object class and attribute type definitions from the Directory specifications themselves, and additional definitions. These existing and additional definit
13、ions are also intended to support the use of the Directory by users of OSI TP applications. This part of ISOllEC ISP 12068 defines those additional information which are needed to retrieve basic addressing information for applications using the OSI TP service. 1.2 Position within the taxonomy ISO/IE
14、C ISP 12068 is identified in ISOllEC TR 10000-2 as “Information technology - International Standardized Profile FDI 4 - Directory data definitions - Use of the Directory for OSI TP. 1.3 Scenario An OSI TP application, by means of its associated DUA, obtains Directory information by accessing directl
15、y or indirectly one or more DSAs of the Directory (see figure) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Defense Supply Ctr/9960866100 Not for Resale, 04/24/2007 12:15:02 MDTNo reproduction or networking permitted without license from IH
16、S -,-,- ISO/IEC TR 10735:1993 (E) Q ISO/IEC 3 Abbreviations The following abbreviations are used in this Technical Report MAC Medium Access Control LAN Local Area Network LLC Logical Link Control ANSI American National Standards Institute IEEE Institute of Electrical and Electronic Engineers 4 Binar
17、y and Illustrative Representation of LAN MAC Addresses An illustrative (in hexadecimal) representation of LAN MAC addresses has been defined ISO/IEC 10039 and is used throughout this Technical Report. Figure 1 illustrates an example of a 48-bit LAN MAC address in both binary and illustrative represe
18、ntations. octet 0 1 2 3 4 5 Binary representation 00110101 0111 1011 00010010 I Universally/Locally Administered address bit 00000000 oooo oooo 0000 000 1 individual/Group address bit (First Bit transmitted on the IAN medium) Illustrative representation: AC-DE-48-00-00-80 Figure 1 - Representation o
19、f LAN MAC Addresses The 48-bit address (universal or local) is represented as a string of six octets. The octets are displayed from left to right, in the order that they are transmitted on the LAN medium, separated by hyphens. Each octet of the address is displayed as two hexadecimal digits. The bit
20、s within the octets are transmitted on the LAN medium from left to right. In the binary representation the first bit transmitted, of each octet, on the LAN medium is the least significant bit of that octet. The Individual/Group address bit is the least significant bit. The left-most bit of the binar
21、y representation (Individual/Group address bit) of a MAC address distinguishes individual from group addresses. The Universally/Locally administered address bit is the next bit following the Individual/Group address bit. The U/L bit indicates whether the MAC address has been universally or locally a
22、ssigned. For the previous example, the first octet transmitted is AC and the last octet transmitted is 80. The first bit transmitted is the low order bit of AC, a zero. The last bit transmitted is the high order bit of 80, a one. 5 Standard Group MAC Addresses 5.1 General All MAC protocol data units
23、 contain addressing information. The addressing information consists of two fields: the destination MAC address and the source MAC address. Both of these address fields are 48-bit fields; the structure and semantics of the address field are defined in ISO/IEC 10039. 2 Copyright International Organiz
24、ation for Standardization Provided by IHS under license with ISO Licensee=Defense Supply Ctr/9960866100 Not for Resale, 04/24/2007 12:15:02 MDTNo reproduction or networking permitted without license from IHS -,-,- ISOllEC ISP 12068-2:1996(E) 0 ISOAEC For the purposes of this part of ISOAEC ISP 12068
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