| Fine
Grained Access is a Granularity
in a web service that requires
clients to make many method invocations
to get a single job done. For instance, if a typical client needs
to update a single customer record, a web service based on fine
grained access would have the client update the customer’s
first name, last name, address, city, state, and zip in separate
method invocations.
As a general rule, overly fine grained access and web services
do not mix well since each method invocation requires Object
Marshalling / Demarshalling. This creates a great deal of
computing and network overhead that can degrade performance far
more than the efficiency gained by sending a few small pieces
of data.
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The main plus side
to Fine Grained Access over Course
Grained Access is that it allows more flexibility in how clients
work with the web service. For instance, it would more easily
accommodate a redesign of the client meant that a customer’s
name was typically updated separately from address, city, state,
and zip.
See: Granularity
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