Draw and explain i frame and u frame for hdlc in data communication and computer networks
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High-Level Data Link Control (HDLC) is a bit-oriented code-transparent synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The original ISO standards for HDLC are as follows:
ISO 3309-1979 – Frame StructureISO 4335-1979 – Elements of ProcedureISO 6159-1980 – Unbalanced Classes of ProcedureISO 6256-1981 – Balanced Classes of Procedure
The current standard for HDLC is ISO/IEC 13239:2002, which replaces all of those standards.
ISO 3309-1979 – Frame StructureISO 4335-1979 – Elements of ProcedureISO 6159-1980 – Unbalanced Classes of ProcedureISO 6256-1981 – Balanced Classes of Procedure
The current standard for HDLC is ISO/IEC 13239:2002, which replaces all of those standards.
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