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- CONTENTS PAGE
- X.208 Specification of Abstract Syntax Notation One (ASN.1) 3
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- X.209 Specification of Basic Encoding Rules for Abstract Syntax
- Notation One (ASN.1) 89
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- X.211 Physical Service Definition for Open Systems Interconnection
- for CCITT Applications 115
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- X.212 Data Link Service Definition for Open Systems Interconnection
- for CCITT Applications 139
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- X.216 Presentation Service Definition for Open Systems Interconnection
- for CCITT Applications 195
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- X.217 Association Control Service Definition for Open Systems
- Interconnection for CCITT Applications 248
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- Recommendation X.208
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- SPECIFICATION OF ABSTRACT SYNTAX NOTATION ONE (ASN.1)1
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- 1 Recommendation X.208 and ISO 8824, Information processing systems - Open
- systems interconnection - Specification of abstract syntax notation one
- (ASN.1), as extended by Addendum 1 to ISO 8824, were developed in close
- cooperation and are technically aligned.
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- general utility, but which require no additional encoding rules.
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- Section four of this Recommendation defines a notation which enables subtypes to
- be defined from the values of a parent type.
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- (see also ISO 7498)
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- 9.4 Module names should be used only once (except as specified in 9.10) within the
- sphere of interest of the definition of module.
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- symbols are to be imported from two modules with the same name (the modules being
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- named in disregard of clause 9.4). The use of alternative distinct names makes these
- names available for use in the body of the module (see 9.8)
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- 27.4 When the "NamedType" is an integer or enumerated type, or of a type derived from
- those types by tagging or subtyping the document employing the "DEFINED BY" notation
- shall contain, or explicitly reference, a single list which specifies the ASN.1 type
- to be carried by the ANY for each permitted value of the integer type. There shall be
- precisely one such list in all instances of communication of the containing type.
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- 27.5 When the "NamedType" is an object identifier type, or a type derived from object
- identifier by tagging, there is a need for registers which, for each allocated object
- identifier value, associate a single ASN.1 type (which may be a CHOICE type) which is
- to be carried by the ANY.
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- Note - It is intended that one macro definition be permitted to reference (i.e., use)
- other macros. Ensuring that the notation permits this is for further study.
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