- implement exponential back-off for service restarts
- better tracking of which config changes actually need to cause process restarts by ARM.
- have way to specify dependencies between services (to manage ARM restarts better)
- - client-API is inefficient since it opens a TCP connection per service that is started
- (instead of re-using connections).
* CORE:
- code currently notifies clients about "encrypted" connections being up well before
we get the encrypted PONG; sometimes this may be OK (for topology killing