[Yeti DNS Discuss] Draft proposal : Fault-tolerant Distribution Master Architecture (FDMA)

Davey Song(宋林健) ljsong at biigroup.cn
Mon Aug 13 02:41:49 UTC 2018

Hi folks,


I just post a article in Yeti website on Fault-tolerant Distribution Master
Architecture (FDMA). 



It is a new view to revisit current Yeti Multi-DM model. There are three
issues analyzed on current DM system: 1) adding more ZSK increases DNS
response which may will cause packets dropping at ~7% in Yeti testbed ; 2)
Three DM working independently without pre-publish checking causes the
failure probability upto three times higher. 3) The role of DM are
data-sensitive and the number of DM is only 3. It will raise the concern in
governance issue which should be avoided. 


 It is inferred that a fault-tolerant property is desired for future Yeti DM
architecture. Most specifically, a consensus should be achieved before any
signed zone be published among a group of entities. It is proposed in
conclusion that a Fault-tolerant Distribtion Master Architecuture (FDMA) is
worth of doing as an experiment and important property in Yeti’s future


Best regards,





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