Description of configuration options for rpc

Configuration option=Default value	Description
amqp_durable_queues=False	(BoolOpt) Use durable queues in amqp.
amqp_auto_delete=False	(BoolOpt) Auto-delete queues in amqp.
baseapi=None	(StrOpt) Set a version cap for messages sent to the base api in any service
control_exchange=openstack	(StrOpt) AMQP exchange to connect to if using RabbitMQ or Qpid
matchmaker_heartbeat_freq=300	(IntOpt) Heartbeat frequency
matchmaker_heartbeat_ttl=600	(IntOpt) Heartbeat time-to-live.
ringfile=/etc/oslo/matchmaker_ring.json	(StrOpt) Matchmaker ring file (JSON)
rpc_backend=nova.openstack.common.rpc.impl_kombu	(StrOpt) The messaging module to use, defaults to kombu.
rpc_cast_timeout=30	(IntOpt) Seconds to wait before a cast expires (TTL). Only supported by impl_zmq.
rpc_conn_pool_size=30	(IntOpt) Size of RPC connection pool
rpc_driver_queue_base=cells.intercell	(StrOpt) Base queue name to use when communicating between cells. Various topics by message type will be appended to this.
rpc_response_timeout=60	(IntOpt) Seconds to wait for a response from call or multicall
rpc_thread_pool_size=64	(IntOpt) Size of RPC thread pool
topics=notifications	(ListOpt) AMQP topic(s) used for OpenStack notifications