31. The apparatus of claim 20 , wherein to determine the path for sending the message further comprises to: determine whether strict message ordering has been selected; and ensure ordered delivery of messages if strict message ordering has been selected.
31. The apparatus of claim 20 , wherein to determine the path for sending the message further comprises to: determine whether strict message ordering has been selected; and ensure ordered delivery of messages if strict message ordering has been selected. 33. The apparatus of claim 31 , wherein to ensure further comprises to add an order number to each message sent, and ordering the message according to the order number at the subscriber before presentation.