What operators are there for remote communication

问题

I know I can spawn a TF server and configure a cluster and then use tf.device or remote_call.

But what can I use in a standard session?

I know there is Horovod. Tensorpack also provides some ZMQ ops.

But is there something official?

来源：https://stackoverflow.com/questions/61993679/what-operators-are-there-for-remote-communication