Re: [Din] Databases vs. ledgers for infrastructure

> Generally speaking, I'd say it depends on your trust policy. If you trust
> all the nodes inside your infrastructure, just put the ledger on one of
> them and let the others query it. If you are concerned that a node may be
> compromised, put the ledger in all the nodes, so they can detect undesired
> modifications.
> 
there was this cool old protocol suddenly occured to me we could
revisit w.r.t standards for blockchains, maybe:
https://tools.ietf.org/html/draft-mrose-blocks-architecture-01
> 
> Regards,
> 
> Jordi
> 
> 
> El 03/02/18 a les 20:21, Brian E Carpenter ha escrit:
> 
>     On 03/02/2018 06:20, Paul Hoffman wrote:
> 
>         Greetings. In prepping for our upcoming meeting, I was re-reading 
> the charter and find that a lot of it is about ledgers, particularly 
> blockchain systems. However, I am being uncreative and cannot think of 
> any use cases for infrastructure needing to see a local copy of a ledger, 
> just needing to see the current state of the database. Of course, people 
> making policy for infrastructure get value from ledgers or a time series 
> of database snapshots
> 
>         Do we have a list of use cases where the infrastructure itself 
> needs to have a ledger in order to act without human intervention?
> 
>     I think that will depend on what some particular infrastructure 
> component is trying to do. Just let me wave my hands a bit: consider a 
> node that is trying to diagnose a problem with a particular IP address. 
> If it includes an AI component or just some clever heuristics, it might 
> need to know who was using that address two days ago. Did that address 
> get black listed, for example? We don't want to rely on a centralized 
> database for this, because that's also a centralized single point of 
> failure.
> 
>     More generally - if we're going to distribute management functions, 
> we potentially need to distribute management data too, for both speed and 
> reliability.
> 
>          Brian
> 
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