Byzantine Fault Tolerance Implementation

Thanks Boyang.

Will check that link and update there.

Regards,
Soumya

-----Original Message-----
From: Boyang Chen <reluctanthero104@gmail.com>
Sent: Tuesday, August 27, 2019 11:50 AM
To: users@kafka.apache.org
Subject: Re: Byzantine Fault Tolerance Implementation

Hey Nayak,

there is an on-going KIP in the community about deprecating zookeeper:
https://cwiki.apache.org/confluence/display/KAFKA/KIP-500%3A+Replace+ZooKeeper+with+a+Self-Managed+Metadata+Quorum
It should be a good place to raise your question about making consensus algorithm pluggable in the future.

Boyang

On Mon, Aug 26, 2019 at 10:41 PM Nayak, Soumya R. <snayak@firstam.com>
wrote:

> Hi Jorn,
>
> I was talking with the context of Hyperledger Fabric Blockchain where
> the cluster of kafka zookeeper is used where there might be multiple
> orgs taking part in the network and transactions where a single system
> getting failed or a malicious node might disrupt the whole network
> which would cost a lot.
> So on that aspect I was asking if its possible to have a pluggable
> algorithm for zookeeper ?
>
> Regards,
> Soumya
> -----Original Message-----
> From: Jörn Franke <jornfranke@gmail.com>
> Sent: Tuesday, August 27, 2019 11:03 AM
> To: users@kafka.apache.org
> Subject: Re: Byzantine Fault Tolerance Implementation
>
> What kind of stability problems do you have? It is surprising to me
> that you have them and it is unlikely that you have them due to a
> specific consensus algorithm. If you have stability issues then I
> would look at your architecture for weak spots.
>
> Btw. Paxos is a consensus mechanism. Bft just describes a specific
> type of failures in distributed systems, so implement BFT does
> probably not make sense.
>
> > Am 27.08.2019 um 06:36 schrieb Nayak, Soumya R. <snayak@firstam.com>:
> >
> > Hi Team,
> >
> > Currently Zookeeper and Kafka cluster are Crash Fault Tolerant.
> > Zookeeper uses a version of Paxos - Zookeeper atomic broadcast. Is
> > there
> any plan in future or current in progress where zookeeper will be
> implemented with a BFT algorithm. This might help to have a more
> stable distributed environment when we have the cluster across different machines.
> >
> > Regards,
> > Soumya
> >
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