stream-clone: introduce the notion of an experimental "v3" version...
stream-clone: introduce the notion of an experimental "v3" version
We introduce a new experimental "v3" stream protocol, disabled by default. In
practice the "v3-exp" protocol introduced in this changeset is identical to v2,
but this changeset, lay the groundwork for having a new protocol:
configuration, capability exchange, test coverage, etc.
The actual protocol work will starts in the coming changesets.