10 ONE-TO-MANY SERVICE CARDINALITY
Fixed
Income
Atomic
Service
Mutual
Funds
Service
Cluster Investment
Portfolio
Atomic
Service
Equities
Composite
Service
EXHIBIT 12.11 MANY-TO-ONE SERVICE CARDINALITY
246 Ch. 12 Service-Oriented Logical Design Relationship
entity??™s capacity. This scenario would require meticulous studies of the amount of information
that the participating parties would be allowed to deliver to the single service; in addition, the
scalability aspects of the providing service should be explored.
Service relationships should be designed with a strategy in mind. The many-to-one service
cardinality can serve as a major indicator for service reusability and consumption requirements.
Hence, it is essential to identify potential bottlenecks, encourage asset reusability, and be aware
of impending roadblocks that can be eliminated early in the game. The outcome of a design
solution can be a crucial input to future architecture planning and service implementation during
the construction phase.
MANY-TO-MANY. Does the many-to-many service design association sound like a network
type of relationship, in which multiple assets communicate with others? It surely does. This
design style makes it possible to view a larger message routing landscape and convey how
multiple service-oriented software assets, such as consumers, atomic services, composite services,
and service clusters exchange information and execute transactions.
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