BS ISO/IEC 8825-2:2021
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Information technology. ASN.1 encoding rules Specification of Packed Encoding Rules (PER)
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English
26-07-2021
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 Rec. ITU-T 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 Rec. ITU-T X.680 | ISO/IEC 8824-1;
can be modified in accordance with the provisions of Rec. ITU-T X.695 | ISO/IEC 8825-6.
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