A GUI that allows you to visually look at a MIB and pick the variables you want to collect data on, poll at a specified rate, and use the data for diagnostic purposes. A network management platform that improves scalability by collecting information from a set of agents and passing the results to a central manager. Benefits include faster access and fault tolerance in case of a disk system failure. Interconnects LANs using ATM backbones as a virtual router. Used to gather more detailed information.
Packets are variable length, up to a maximum size.
Packets for different technologies usually have a minimum and maximum size allowed. For example, Ethernet has a minimum of 64 and a maximum length of 1,500 Bytes. The variable length of frames also means variable delays when traversing a network device. When a requested page is not found in main memory, an interrupt occurs. The paging device machine then transfers the requested inactive page to memory.