DON

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... The key words "MUST", "MUST NOT", "DO", "DON'T", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", "MAY BE" and "OPTIONAL" in this document do not mean anything. ...

... architecture (clashes with the IETF notion of end-system but of course, we DON'T care). LER ...