1.2.1 Normative References

[HighResolutionTime] World Wide Web Consortium, "High Resolution Time", W3C Recommendation 17 December 2012, http://www.w3.org/TR/2012/REC-hr-time-20121217/

[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997, http://www.rfc-editor.org/rfc/rfc2119.txt