September 2015
Intermediate to advanced
928 pages
28h 39m
English

The service implementations we have seen until now have no memory: they are stateless. Once they are done, they are done. They don’t store intermediate state in memory, in the database, or in any other medium other than for purposes of monitoring (e.g., by recording audit trails). Ask them a question and they will process the request and usually (except for one-way operations) prepare a response. And next time for the same request, they will go through exactly the same motions again. However, there are many situations where the same question is indeed asked from a service quite ...
Read now
Unlock full access