Definition of coarse / fine architecture

Question

Speaking about the API, the terms “coarse-grained” or “fine-grained” are used a lot. What does this mean / are there any examples?

thank

Answer 1

I saw the difference used a lot with SOA, for example:

http://www.ibm.com/developerworks/webservices/library/ws-soa-granularity/

In general, coarse-grained systems will have fewer method calls than a fine-grained system. Obviously, the coarse-grained methods will be smaller and will work more than the broken fine-grained versions.

Rough border interfaces are generally better if calls are expensive, for example, in a distributed system.

Answer 2

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