29.7. Message-oriented middleware (MOM)
Message-oriented middleware evolved alongside that based on object invocation, as we discussed in Section 29.1. MOM has a larger share of the middleware market than object-oriented middleware, being associated with database access within large business applications. In Chapters 13 and 14 we discussed message passing as a general IPC mechanism, applicable to same-machine, cross-address-space message passing. Section 16.3.1 showed how the distribution of message passing can be approached for network-based systems. Recall that in Chapter 14 we also discussed synchronous message passing, where processes have to make a handshake or rendezvous in order to communicate; that is, one party must block until the other ...
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