diff --git a/doc/source/reference/rpc.rst b/doc/source/reference/rpc.rst index 6d18bb5fc077..5834f2512446 100644 --- a/doc/source/reference/rpc.rst +++ b/doc/source/reference/rpc.rst @@ -18,7 +18,7 @@ AMQP and Nova ============= AMQP is the messaging technology chosen by the OpenStack cloud. The AMQP -broker, either RabbitMQ or Qpid, sits between any two Nova components and +broker, default to Rabbitmq, sits between any two Nova components and allows them to communicate in a loosely coupled fashion. More precisely, Nova components (the compute fabric of OpenStack) use Remote Procedure Calls (RPC hereinafter) to communicate to one another; however such a paradigm is built @@ -105,7 +105,7 @@ Direct Publisher Topic Exchange The Exchange is a routing table that exists in the context of a virtual host - (the multi-tenancy mechanism provided by Qpid or RabbitMQ); its type (such as + (the multi-tenancy mechanism provided by RabbitMQ etc); its type (such as topic vs. direct) determines the routing policy; a message broker node will have only one topic-based exchange for every topic in Nova. @@ -164,8 +164,8 @@ The diagram below shows the message flow during an ``rpc.cast`` operation: AMQP Broker Load ---------------- -At any given time the load of a message broker node running either Qpid or -RabbitMQ is function of the following parameters: +At any given time the load of a message broker node running RabbitMQ etc +is function of the following parameters: Throughput of API calls The number of API calls (more precisely ``rpc.call`` ops) being served by the