27. The apparatus of claim 26 , wherein to examine the message for delivery controls further comprises to invoke flow control handling if the routing queue cannot store the message or the buffers of the subscribers cannot store the message.
26. The apparatus of claim 23 , wherein to examine the message for delivery controls further comprises to: determine whether a routing queue can store the message; determine whether buffers of the subscribers can store the message; and wherein to send the message is performed only if the routing queue can store the message and the buffers of the subscribers can store the message.