@yalei, the requirement for another method to pass opaque data from users to backends isn't inline with where we want to take Neutron. Adding another method which allows for backend specific passthrough dilutes the value of Neutron as an abstraction.
@yalei, the requirement for another method to pass opaque data from users to backends isn't inline with where we want to take Neutron. Adding another method which allows for backend specific passthrough dilutes the value of Neutron as an abstraction.