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| | Abstract Syntax Notation.One (ASN.1) |
 | | With abstract syntax the concern is solely with the information conveyed between the application program running in the computer at the weather station and the application program running in the computer at the monitoring centre. | | | The designer of the abstract syntax also defines the meaning of each possible report, and this allows the developers of the programs at each end to implement the appropriate actions. | | | This is because an abstract syntax itself is a type, as are its components, and their components, and so on. |
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http://www.bgbm.fu-berlin.de/TDWG/acc/Documents/asn1gloss.htm
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| | [No title] |
| | Abstract syntax notation A language that allows the denotation of data types in a representation- independent manner. | | | An element specification applied to an abstract database record results in another instance of the abstract database record (the latter may be a null transformation). | | | The syntaxes of the task packages (for retrieval, and also used on the ES request and response) are defined and registered in Appendix EXT. |
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http://ftp.sunet.se/pub/nir/wais/protocol/z3950-v3d10.part1.txt
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| | [No title] |
| | Abstract A number of IETF protocols make use of Abstract Syntax Notation One (ASN.1), which is a very complex language for describing abstract types and values, in addition to several sets of encoding rules for those types and values. | | | Introduction The Abstract Syntax Notation One (ASN.1) [X.680, X.681, X.682, X.683, X.690, X.691] is a joint ITU-T and ISO/IEC standard defining a complex language for describing abstract types and values, as well as describing sets of rules for encoding these types and values. | | | The use of this notation within the IETF is often a subject of debate, since many implementors encounter problems while attempting to handle ASN.1 syntax and encodings. |
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http://www.ietf.org/proceedings/00jul/I-D/draft-yu-asn1-pitfalls-00.txt
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| | ASN.1 Site - Book |
| | Abstract Syntax Notation number One (ASN.1) is a notation that is used in describing messages to be exchanged between communicating application programs. | | | It is a computing language that is both powerful and complex: it was designed for modelling efficiently the communication between heterogeneous systems. | | | This textbook is written by an expert of ASN.1, of its syntax and semantics, and clearly constitutes a reference on the language. |
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http://asn1.elibel.tm.fr/en/book
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| | [No title] |
| | The syntax of an object type defines the abstract data structure corresponding to that object type. | | | Implicitly tied to the notion of an object type's syntax and encoding is how the object type is represented when being transmitted on the network. | | | OBJECT: ------- ipInAddrErrors { ip 5 } Syntax: Counter Definition: The number of input datagrams discarded because the IP address in their IP header's destination field was not a McCloghrie & Rose [Page 26] RFC 1066 MIB August 1988 valid address to be received at this entity. |
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http://www.ietf.org/rfc/rfc1066.txt
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| | Understanding OSI - Chapter 8 |
| | Suppose the abstract syntax for version one is defined as the values of some type, and the abstract syntax for version two as the values of a type containing precisely the same set of values (with the same semantics), but with some additional values. | | | Words were used like "the abstract syntax is defined as the set of values of the ROSE datatype, with the holes filled by the operations and errors defined in the body of this Standard". | | | A hole at the abstract level could be supported by a "hole" in the bit-pattern of the encoding, embedding the encoding of the inner material in the encoding of the outer. |
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http://www.salford.ac.uk/iti/books/osi/chap8.html
(16827 words)
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| | [No title] |
| | ASN.1 is a flexible notation that allows one to define a variety data types, from simple types such as integers and bit strings to structured types such as sets and sequences, as well as complex types defined in terms of others. | | | For instance, a service at one layer may require transfer of certain abstract objects between computers; a lower layer may provide transfer services for strings of ones and zeroes, using encoding rules to transform the abstract objects into such strings. | | | ASN.1 notation is generally only for types, although for the type OBJECT IDENTIFIER, value notation is given as well. |
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http://www.cis.udel.edu/~mills/database/rsa/layman.doc
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| | Using ASN.1 (Abstract Syntax Notation 1): A Data Description Language |
| | Since the value notation and binary encoded forms of data are completely and reliably interconvertible using AsnTool, there is no problem doing this. | | | While we do not recommend the ASCII form of ASN.1 encoded data for large amounts of data, it is useful for developing and testing data representations or for easily generating ASN.1 values from other data files or local databases without specialized tools. | | | ASN.1 can be used to encode data in two ways, an ASCII human readable form called "value notation" or "print form," a binary encoding. |
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http://www.nal.usda.gov/pgdic/Probe/v2n2/using.html
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| | Abstract Syntax Notation One - OneLook Dictionary Search |
| | Abstract Syntax Notation One : CCI Computer [home, info] | | | Abstract Syntax Notation One : Dictionary of Computing and Digital Media [home, info] | | | Abstract Syntax Notation One : Glossary of Communications, Computer, Data, and Information Security Terms [home, info] |
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http://www.onelook.com/?w=Abstract+Syntax+Notation+One&ls=all
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| | OSS Nokalva - ASN.1 Overview |
| | Abstract Syntax Notation One (ASN.1) is a formal language for abstractly describing messages to be exchanged between distributed computer systems. | | | Information on Molecular Biology Standards software is available from the Institute for Biomedical Computing. | | | Note that related documents can be found at this site on the Computer Security Objects Register page, maintained by the National Institute of Standards and Technology (NIST). |
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http://www.oss.com/asn1/overview.html
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| | [No title] |
| | Abstract Abstract Syntax Notation X (ASN.X) is primarily an Extensible Markup Legg Expires 6 January 2006 [Page 1] INTERNET-DRAFT ASN.X: GSER Encoding Instructions July 6, 2005 Language (XML) representation for Abstract Syntax Notation One (ASN.1) specifications. | | | The ASN.1 type definitions for such abstract values, insofar as they pertain to the Legg Expires 6 January 2006 [Page 3] INTERNET-DRAFT ASN.X: GSER Encoding Instructions July 6, 2005 ASN.1 basic notation, are provided elsewhere [ASN.X], however this document provides the ASN.1 type definitions for representing GSER encoding instructions as abstract values. | | | The grammar of ASN.1 also permits the application of encoding instructions [X.680-1], through type prefixes and encoding control sections, that modify how abstract values are encoded by nominated encoding rules. |
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http://faqs.org/ftp/pub/pub/internet-drafts/draft-legg-xed-asd-gserei-00.txt
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| | Definition: ASN.1 (Abstract Syntax Notation One) [Web and XML Glossary] |
| | The approach of ASN.1 is to define an abstract syntax for the specification of structured data, and encoding rules for transforming structured data into a binary representation (which can then be exchanged). | | | Douglas Steedman, Abstract Syntax Notation One (ASN.1): The Tutorial and Reference, Technology Appraisals, Twickenham, UK, 1993, ISBN 1871802067 [0.8] | | | International Telecommunication Union, Information Technology — Abstract Syntax Notation One (ASN.1): Parameterization of ASN.1 Specifications, ITU-T Recommendation X.683, July 2002 [1] |
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http://dret.net/glossary/asn1
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| | Improve XML transport performance, Part 2 |
| | The XBIS-style approach that preserves the full meaning of the XML document (though not all of the syntax) provides some nice advantages, but schema-base binary encodings (as discussed in "The sacred data" section of Part 1) can deliver both a somewhat more compact representation and potentially much faster input and output. | | | Learn about the Abstract Syntax Notation One (ASN.1) standard at the ASN.1 Information Site, which also provides a good (though very pro-ASN.1) summary of XML-related ASN.1 work. | | | Projects that fit into both these categories are being done in conjunction with Abstract Syntax Notation One (ASN.1). |
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http://www.ibm.com/developerworks/xml/library/x-trans2
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| | Cover Pages: XML Encoding Rules for ASN.1 (XER) |
| | Z39.50 itself is described using ASN.1 (Abstract Syntax Notation) and Basic Encoding Rules (BER). | | | From http://asf.gils.net/xer/concept.html: The basic idea of XER is to standardize rules that would allow for information described in ASN.1 (Abstract Syntax Notation) to be carried in XML. | | | The software completely shields the user from the intricacies of the encoding rules and complexities of manual coding and debugging. |
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http://xml.coverpages.org/xer.html
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| | DynamicTMN®: Java ASN.1 API (Abstract Syntax Notation One) |
| | The ASN.1 API uses the DynamicTMN® GDMO and ASN.1 Metadata API to validate and generate ASN.1 values and value notation strings. | | | The DynamicTMN® Java ASN.1 API includes the complete set of Abstract Syntax Notation One (ASN.1) value API classes used by the DynamicTMN® product suite. | | | See the following example which shows the use of the ASN.1 API to construct and access the value for a simple ASN.1 SEQUENCE: |
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http://www.monfox.com/dtmn/java-asn1-api.html?style=printable
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| | [No title] |
| | The macro is used to extend the ASN.1 syntax but does not extend the encoding. | | | A macro definition may be viewed as a template that is used to generate a set of related types and values. | | | Ù 3 G ó ¨ MACROS ¡ , ó ! ¨ Macros ¨ Observations regarding macros There are three levels, and they must be carefully distinguished: The macro notation, used for defining macros A macro definition, expressed in the macro notation and used to define a set of macro instances. |
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http://www.ncst.ernet.in/education/pgdit/nms/slides/lect21.ppt
(1021 words)
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| | Robust XML Encoding Rules (RXER) for Abstract Syntax Notation One (ASN.1) |
| | This document defines a set of Abstract Syntax Notation One (ASN.1) encoding rules, called the Robust XML Encoding Rules or RXER, that produce an Extensible Markup Language (XML) representation for values of any given ASN.1 data type. | | | Robust XML Encoding Rules (RXER) for Abstract Syntax Notation One (ASN.1) | | | Rules for producing a canonical RXER encoding are also defined. |
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http://xml.resource.org/public/rfc/bibxml3/reference.I-D.legg-xed-rxer.xml
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| | HTTP-NG Architectural Overview |
| | The scheme used is a simplified form of ASN.1 and PER (Abstract Syntax Notation, and Packed Encoding Rules). | | | HTTP 1.0 uses a text based syntax to encode requests, and a modified form of MIME to handle responses. | | | This textural representation is easy for humans to understand, but quickly becomes extremely complicated when used to handle requests with complicated structure. |
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http://www.w3.org/hypertext/WWW/Protocols/HTTP-NG/http-ng-arch.html
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| | Microsoft warns of widespread Windows flaw CNET News.com |
| | The latest flaw exists in Microsoft's implementation of a basic networking protocol known as Abstract Syntax Notation One, or ASN.1. | | | However, developers of tools for creating network protocols and software from those descriptions frequently didn't consider that Internet attackers would use the channel as a way to break into computers, Scott said. | | | ASN.1 changed that, allowing developers to describe data in an abstract language. |
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http://news.com.com/2100-7355_3-5156647.html?part=rss&tag=feed&subj=news
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| | Z39.50-1995 ASN.1 |
| | This mapping may be different for each -- combination of database, schema, record syntax. | | | For example, if an origin -- can handle none of the record syntaxes a database can provide, -- it might choose not to access the database. | | | See IEEE 1003.2 Volume 1, Section 2.8 -- "Regular Expression Notation." For example if -- promptId is "Year of publication," regExpr -- might be "19[89][0-9]20[0-9][0-9]". |
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http://lcweb.loc.gov/z3950/agency/asn1.html
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| | XGEN: A Brief Introduction to ASN.1 and BER |
| | Abstract Syntax Notation One (more commonly known as ASN.1) is a language for defining standards without regard to the implementation. | | | Because both Microsoft Windows 2000 and Microsoft Exchange 2000 Server implement the above-mentioned standards in one form or another, fluency in reading and understanding ASN.1 and BER makes troubleshooting those two products that much easier. | | | This article describes Abstract Syntax Notation One (ASN.1) and Basic Encoding Rules (BER), and clarifies the differences between the two. |
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http://support.microsoft.com/default.aspx?scid=kb;en-us;252648
(990 words)
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| | ITU-T Study Group 17 - Languages for Telecommunication Systems |
| | Information technology - Abstract Syntax Notation One (ASN.1): Information object specification | | | Information technology - Abstract Syntax Notation One (ASN.1): Parameterization of ASN.1 specifications | | | Information technology - Abstract Syntax Notation One (ASN.1): Constraint specification |
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http://www.itu.int/ITU-T/studygroups/com17/languages
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| | [No title] |
| | Title: Information technology - Abstract Syntax Notation One (ASN.1) Encoding Rules - Part 4: XML | | | Title: Information technology - Abstract Syntax Notation One (ASN.1) - Part 2: Information object classes - | | | Title: Information technology - Abstract Syntax Notation One (ASN.1) Encoding Rules - XML Encoding |
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http://www.incits.org/tc_home/t3sd4.htm
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| | Solved exercises on ASN.1 and ABNF |
| | An identifier in a programming language is allowed to contain between 1 and 6 letters and digits, the first character must be a digit. | | | Write an ABNF specification for the syntax of such an identifier. | | | Exercise 20 said that a society used two kinds of votes: |
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http://www.dsv.su.se/~jpalme/internet-course/ASN.1-exercises.html
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| | ASN.1 Summary |
| | ASN.1, or Abstract Syntax Notation One, is an International Standards Organization (ISO) data representation format used to achieve interoperability between platforms. | | | Comments about site map to Renata Geer renata@ncbi.nlm.nih.gov |
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http://www.ncbi.nlm.nih.gov/Sitemap/Summary/asn1.html
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| | Microsoft, security, patches, ANS, vulnerability, operating systems > Microsoft Sharply Criticized For Long Patch ... |
| | Hackers could exploit flaws in Windows's usage of Abstract Syntax Notation (ASN), a language for defining the syntax of data messages shared between applications and computers. | | | If attackers successfully created exploits, they could clandestinely destroy data, steal information, or compromise network security. | | | Although Microsoft may have dodged a bullet by not being faced with an exploit while it created and tested its patch, it's inconceivable, said Maiffret, that an exploit for the vulnerability won't appear at some point. |
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http://www.techweb.com/wire/story/TWB20040213S0007
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| | ASN.1 / XML Software Tools from Objective Systems |
| | The message types are formally described using schema languages such as Abstract Syntax Notation 1 (ASN.1) or XML Schema (XSD). | | | Our primary focus is on producing software that automates the task of encoding and decoding standardized message types. |
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http://www.obj-sys.com
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| | MS score card: four patches, 20 vulns, heaps of trouble The Register |
| | Serious vulnerabilities have also been uncovered in the Microsoft Abstract Syntax Notation One (ASN.1) library, the Negotiate Security Software Provider (SSP) interface, Microsoft RPC runtime library and the parsing of MIME encoded content by Outlook Express. | | | Less serious problems have been found in SSL handshakes, H.323 parsing in Netmeeting, Microsoft LDAP, and the Help and Support Centre protocol. | | | The most serious is a critical vulnerability in the Windows Local Security Authority Subsystem (LSASS), discovered by security tools outfit eEye. |
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http://www.theregister.co.uk/2004/04/14/ms_patch_bonanza
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| | MSN Encarta - Search Results - abstract syntax notation one |
| | How well did we match your search term? | | | Abstract (quotations): Mathematics: I like mathematics because it… | | | MSN Encarta - Search Results - abstract syntax notation one |
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http://encarta.msn.com/abstract_syntax_notation_one.html
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| | ASN.1 - Abstract Syntax Notation One |
| | The general idea behind ASN.1 is to describe data type information independent of the transfer format. | | | ASN.1 (ITU-T Recommendation X.680-683) is a generic notation standardized by ISO and ITU for the specification of data types and values. | | | This makes it possible to use the data types of an application both in the SDL specification and in the TTCN test suite, which assures consistency between the information transferred in the system specification and the test specification. |
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http://www.lkn.ei.tum.de/arbeiten/faq/man/tau42_help/introsdl8.html
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| | Feds, Industry, Battle the Biggest Bug |
| | The CERT announcement was based on work performed last year by the Oulu University Secure Programming Group in Finland, a group that's perfected a technique of finding security holes in software by systematically flinging a wide range of unexpected values and illegally formatted data at it, and noting when, and how, it breaks. | | | Originally developed in 1984, ASN.1 is an internationally recognized standard for coding and transmitting complex data structures, similar to XML. | | | While their target was SNMP, the Finnish researchers' attacks actually hinged on manipulation of an even more fundamental and common language -- on which SNMP is built -- called Abstract Syntax Notation One (ASN.1). |
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http://online.securityfocus.com/news/474
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| | ASN.1 - a Whatis.com definition - see also: Abstract Syntax Notation One |
| | Here's an example of a message definition specified with ASN.1 notation: | | | ASN.1 (Abstract Syntax Notation One) is a standard way to describe a message (a unit of application data) that can be sent or received in a network. | | | ASN.1 is divided into two parts: (1) the rules of syntax for describing the contents of a message in terms of data type and content sequence or structure and (2) how you actually encode each data item in a message. |
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http://whatis.techtarget.com/definition/0,,sid9_gci213786,00.html
(359 words)
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| | Adrenta |
| | Abstract Syntax Notation One (ASN.1) is the enabling technology for state of the art messaging applications. | | | It is fundamental to the inter- operability of communications systems today. |
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http://www.adrenta.com
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| | ASN.1 - Abstract Syntax Notation |
| | ASN.1 (Abstract Syntax Notation One) is the international standard for representing data types and structures. | | | The most common features of the abstract syntax are included in the following sections. | | | Previous: Example Up: ASN.1 Next: Modules and Assignments |
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http://www.obj-sys.com/asn1tutorial/node4.html
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| | S/MIME vulnerability requires vendor-specific patches |
| | The problem is that the secure portion of an e-mail attachment is encoded with ASN.1 (Abstract Syntax Notation One). | | | A remote attacker could use an exceptional ASN.1 element that the S/MIME implementation might not be able to handle. | | | The S/MIME (secure multipurpose Internet mail extensions) addition enables this exchange to be done securely, and is commonly used for digital signatures and encrypted e-mail. |
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http://searchsecurity.techtarget.com/originalContent/0,289142,sid14_gci935440,00.html
(181 words)
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| | ILL Background Reading |
| | ISO 8825: 1990 Specification of Basic Encoding Rules of Abstract Syntax Notation One (ASN.1) | | | The PETS is generated from an abstract test suite (ATS) at the start of the conformance testing of a specific implementation. | | | Because of the options in any protocol standard, an ATS must be modified to include all options supported and to exclude all options not supported by an implementation. |
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http://www.collectionscanada.ca/iso/ill/readabb.htm
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| | Abstract Syntax Notation One - ASN.1 |
| | ASN.1 Macros - for extending the standard ASN.1 notation | | | Tagged types - for "carrying type" information in message useful for creating own types | | | Comments - begin with "--" and extend to end of line |
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http://www2.rad.com/networks/1995/snmp/asn1.htm
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| | Philipp Hoschka |
| | Hoschka, P. Automating Performance Optimisation by Heuristic Analysis of a Formal Specification. | | | Hoschka, P., and Froumentin, M. What Graphics Designers should know about the Mobile Web. | | | In: SIGGRAPH 2002 Conference Abstracts and Applications, (pp. |
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http://www.w3.org/People/hoschka
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