Wave chunks are supposed to be base64 encoded.
Shared folder is deployed to /opt/app/cloudasr.
Shared folder is deployed to /usr/local/lib.
Heartbeats use Protocol Buffers for serialization.
Frontend uses Protocol Buffers when asking Master.
Both send and send_json can be used in Poller.
Master uses Protocol Buffers when responding to Frontend.
Frontend uses Protocol Buffers when sending data to Worker.
Worker uses Protocol Buffers when responding to Frontend.