[aerogear-dev] Data Sync braindump

Howdy! Since we're starting the data-sync sprint, I'd like to bring some of the ideas that born from the research I've been doing. Note that those are only ideas that will be validated by a PoC or something like this (which I'm planning to continue working on after I'm back from PTO) I envision a layered approach: 1) CouchDB Sync Protocol This is an approach that I really like a lot - it has lots of common things with git (keeping SHAs of the document's state and history of changes (until you compact your history)). The main advantage is that we can re-use all the nice algorithms we already have on the git lands to solve conflicts. 2) OT/EC This is really nice & well-known, but I think it would apply better for individual fields into a document. 3) Crypto signatures We could have ed25519 signatures on the changes, making it potentially safer to decide who should win a change conflict based on rules that goes beyond simple merging strategies (business roles?) All this 3 layers could live on top of a very simple JSON protocol, which would allow us to evolve it gradually (I know this is prone to not be super efficient, but I don't want to optimize prematurely, and JSON compresses really well) Thoughts? Don't forget to read Summer's thread on this. (can someone reply with the link?) -- qmx