In particular, we wish to determine the concentrations of ions and holes in the two media far from the interface (outside of any space charge region), which we denote by C h S i, C i S i, C h e l, and C i e l, respectively.
Most existing solutions for standardized access to core network operations follow the middleware paradigm that encapsulates network operations and provides open interfaces to outside service providers.
Facebook first opened its programming interfaces to outside developers in 2007.
This becomes evident once one realizes that computers perform actions in the form of executing program statements written down in some programming language, changing computer internals and, by interfaces to the outside world, also that outside world.
Eventually, Slack says it also wants to empower organizations to interface with outside parties like marketing agencies and technology vendors.
"It's all about multifunctional materials in nature: Every organism – no matter if it has a shell, or skin, or feathers – interacts in various ways with the environment and the materials with which it interfaces to the outside world frequently have to fulfil multiple functions simultaneously," said Dr Kolle.
So far, most work on gateways focuses on studying simple cases where gateways have only two interfaces towards the outside.
Figure 2 illustrates its general components and its interfaces to the outside world: Clients (i.e. other servers, the administrator and users) connect to the application via the described REST interface.
