[IETF RFC 3267 (2002) (awaiting validation)]
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[IETF RFC 3550 (2003) (awaiting validation)]
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[IETF RFC 3640 (2003) (awaiting validation)]
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[IETF RFC 3984 (2005) (awaiting validation)]
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[IETF RFC 4352 (2006) (awaiting validation)]
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[IETF RFC 4566 (2006) (awaiting validation)]
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