Orange Taking the opportunity of a fresh implementation of SCHC by a newcomer to SCHC to reflect on the design principles and the implications on the implication of SCHC. Topics addressed: * The parser, as described in SCHC specification. * A discussion on parsing and interpretation. * Practical implications of the specification of the parser of SCHC. * the challenge and opportunity of a generic parser implementation able to handle any protocol stack and rules design to enable it.