TCP uses acknowledgments to indicate the successful reception of a packet. A set of rules for omitting parts of a complete IP address in order to reach the target destination without using a broadcast message. The mask can, for example, indicate a subnetwork portion of a larger network. Address Resolution Mapping of an IP address to a machine's physical address. Address Space A range of memory addresses available to an application program.
Agents can also send trap messages.
A set of routines that are available to developers and applications to provide specific services used by the system, usually specific to the application's purpose. They act as access methods into the application. The highest layer in the OSF model. It establishes communications rights and can initiate a connection between two applications. An 8-bit character set defining alphanumeric characters.