encoding
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EMSD-FS is a non-textual form of compact encoding of Internet
mail (RFC-822std11(-> 2822prop)) messages which facilitates efficient transfer of
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... method
of representation of short interpersonal messages. It defines
the "Content" encoding (Header + Body). Although EMSD-FS
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... Encoding Rules ...
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o Specifically, when ASN.1 Basic Encoding Rules are being used:
A. Only the "Definite" form of Length encoding ...
... Basic Encoding Rules are being used:
A. Only the "Definite" form of Length encoding MUST be used,
B. The "Short" form of Length encoding ...
... encoding MUST be used,
B. The "Short" form of Length encoding MUST be used whenever
possible (i.e. when the Length is less than 128), and
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Parameter Encoding Type of "0" MUST be used in ESRO Protocol to
identify Basic Encoding Rules for operation arguments.
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... Parameter Encoding Type of "0" MUST be used in ESRO Protocol to
identify Basic Encoding Rules for operation arguments.
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This argument identifies the type of the content of the message. It
identifies the abstract syntax and the encoding rules used.
Content
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... o Operation Instance Identifier is sent as the first byte of the
operations parameter (without encoding).
o The length of Operation Instance Identifier ...
... EMSD Format Standard (EMSD-FS) is a non-textual form of compact
encoding of Internet mail (RFC-822std11(-> 2822prop)) messages which facilitates
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... defines a method of representation of short interpersonal message.
It defines the "Content" encoding (Header + Body). Although EMSD-FS
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... FS an
RFC-822std11(-> 2822prop) message is converted to a more compact binary encoding. This
more compact message is then transfered between an EMSD-SA and EMSD-
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... message-id) can have special forms
that are specialized and produce more compact EMSD-FS encoding.
These special forms are legitimate values of RFC-822std11(-> 2822prop) messages.
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... This specification expresses information objects using ASN.1 [X.208].
Encoding of ASN.1 shall be based on Basic Encoding Rules (BER ...
... Top-level MIME Content Type
mime-content-transfer-encoding
[9] IMPLICIT AsciiPrintableString
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... [9] IMPLICIT AsciiPrintableString
(SIZE (0..ub-mime-content-
transfer-encoding))
OPTIONAL
};
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... INTEGER ::= 127;
-- also defined in EMSD-InterpersonalMessaging1995
ub-mime-content-transfer-encoding INTEGER ::= 127;
-- also defined in EMSD-InterpersonalMessaging1995
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... ub-mime-content-description-length INTEGER ::= 127;
ub-mime-content-transfer-encoding INTEGER ::= 127;
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... Top-level MIME Content Type
mime-content-transfer-encoding
[9] IMPLICIT AsciiPrintableString
(SIZE (0..ub-mime-content-transfer-encoding ...
... content-transfer-encoding
[9] IMPLICIT AsciiPrintableString
(SIZE (0..ub-mime-content-transfer-encoding))
OPTIONAL
};
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In order to minimize the number of bytes transferred, efficient
encoding mechanisms are needed.
Amongst today's encoding ...
... efficient
encoding mechanisms are needed.
Amongst today's encoding mechanisms, ASN.1 has the unique feature of
separating the abstract syntax from the encoding rules ...
... encoding mechanisms, ASN.1 has the unique feature of
separating the abstract syntax from the encoding rules. By selecting
ASN.1 as the notation used for expressing EMSD's information objects,
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... ASN.1 as the notation used for expressing EMSD's information objects,
EMSD has the flexibility of using the most efficient encoding rules
such as Packed Encoding Rules (PER ...
... EMSD has the flexibility of using the most efficient encoding rules
such as Packed Encoding Rules (PER) when they are available.
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... PER) when they are available.
Efficient encoding can always be better performed when the syntax of
the information is known. In general, encoding and compression ...
... Efficient encoding can always be better performed when the syntax of
the information is known. In general, encoding and compression
techniques which use the knowledge of the syntax of the information
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... Information Processing --- Open Systems Interconnection --- Specification of Packed Encoding Rules for Abstract Syntax Notation One (ASN.1). International Organization for Standardization ...
... Information Processing --- Open Systems Interconnection --- Specification of Basic Encoding Rules for Abstract Syntax Notation One (ASN.1). International Organization for Standardization ...