I

idempotent
In RPC, describes a remote procedure call that does not change a state and returns the same information each time it is called with the same input parameters.
input parameter
In a remote procedure call, a parameter containing data that the client application is transmitting to the server application. The in attribute designates an input parameter.
Interface Definition Language (IDL)
The OSF-DCE standard language for specifying the interface for remote procedure calls. See also MIDL.
Internet Protocol (IP)
A connectionless network-layer communications protocol. See also datagram.
Internetwork Packet Exchange (IPX)
A Novell NetWare communication protocol that uses datagram sockets to route information packets over local-area and wide-area networks.
intranet
A private network that uses Internet products and technologies (for example, web servers), but is not available to external Internet users.