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A service topology is a pattern for composing
a distributed application.
Different types of topologies will exist in
computing environments. Typically, a physical network will have
a topology as identified by the actual wires connecting the computing
devices. The next level of abstraction, the logical network, an
addressing scheme may utilize a point-to-point topology that abstracts
the participants from the physical schema. Above all of this,
the service topology is abstracts the participants from both the
physical and logical network.
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Thus, the service network may have a single or
composite topology. This topology is abstracted from the lower
layers. One can be on a hub & spoke physical network, where packets
are directed along a point-to-point logical network and utilize
a hub & spoke service-brokering mechanism (like WSO)
See: Hub & Spoke,
Point-to-Point
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