ISO/IEC 4335:1993/Amd 6:1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Information technology —- Telecommunications and information exchange between systems — High-level data link control (HDLC) procedures — Elements of procedures — Amendment 6: Extension of HDLC sequence number modulus beyond 128
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02-27-2019
English
11-16-1995
This amendment increases the modulus number (i.e. the sequence number) in steps up to a maximum of 2147483648 which can be represented in 31 bits. This is done by the introduction of a new "Set Mode" command that can be used to negotiate or indicate the modulus in the absence of or to override a default value. This uses an optional information filed in the mode setting commands/responses.
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