IETF Hackathon

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# IETF Hackathon - NTP
      
IETF 115
      
5-6 November 2022

London

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# Hackathon Plan

- NTPv5 Draft: draft-mlichvar-ntp-ntpv5-05
 - Focus on (experimental) interoperable implementations
 - Figuring out technical issues in the draft
        
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# What got done

- Got two experimental implementations:
   - Miroslav's ntp5-exp (https://github.com/mlichvar/ntp5-exp)
   - NTPD-rs ntpv5 branch (https://github.com/memorysafety/ntpd-rs/tree/ntpv5)
 - Verified compatibility
 - Specified and implemented draft identification
 - Identified a few minor issues in NTPD-rs implementation
 - Discussions on timescales and leap seconds
        
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# What we learned

- Timescale offsets, especially for UT1, will need some rethinking.
 - Identified need for KoD-type mechanism in NTPv5
        
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 # Wrap up
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.left-column[ 
#### Team members:
 
 - K. O'Donoghue
 - D. Sibold 
 - M. Lichvar
 - C. Weinigel
 - D. Venhoek
        
        ]
.right-column[ 
#### links:
 
 - https://datatracker.ietf.org/doc/draft-mlichvar-ntp-ntpv5/
 - https://github.com/mlichvar/ntp5-exp
 - https://github.com/memorysafety/ntpd-rs/tree/ntpv5
        
        ]

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