STD:
ecflow used may part uses many parts of std library. Originally ecflow used boost::shared_ptr, however for ecflow 5, this was replaced with the equivalent std::shared_ptr.
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Is used to provide the client/server serialisations, it and uses JSON text. There was an option to use BINARY which is a lot faster. But then we lose the backward compatibility, and more importantly the client/server communication may break due to byte order incompatibility. i.e when client/server are on different hardware.
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