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INCITS/ISO/IEC 8825-2
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INCITS/ISO/IEC 8825-2 2004 Edition, December 28, 2004 Information technology - ASN.1 encoding rules: Specification of Packed Encoding Rules (PER)
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Description / Abstract:
This Recommendation | International Standard specifies a set of
Packed Encoding Rules that may be used to derive a transfer syntax
for values of types defined in ITU-T Rec. X.680 | ISO/IEC 8824-1.
These Packed Encoding Rules are also to be applied for decoding
such a transfer syntax in order to identify the data values being
transferred.
The encoding rules specified in this Recommendation | International Standard:
– are used at the time of communication;
– are intended for use in circumstances where minimizing the size of the representation of values is the major concern in the choice of encoding rules;
– allow the extension of an abstract syntax by addition of extra values, preserving the encodings of the existing values, for all forms of extension described in ITU-T Rec. X.680 | ISO/IEC 8824-1.
The encoding rules specified in this Recommendation | International Standard:
– are used at the time of communication;
– are intended for use in circumstances where minimizing the size of the representation of values is the major concern in the choice of encoding rules;
– allow the extension of an abstract syntax by addition of extra values, preserving the encodings of the existing values, for all forms of extension described in ITU-T Rec. X.680 | ISO/IEC 8824-1.