Broadcast distribution table for BACnet/IP

摘要

A system for providing addresses to a broadcast distribution table. A BACnet device may have an internet protocol, be connectable to a name server via a network, and have a broadcast distribution table. The BACnet device may also have a shadow name table. A name may be looked up in the shadow name table to obtain an address associated with the name. The address may be copied into the broadcast distribution table. There may be one or more additional BACnet devices, each having a protocol, being connectable to a network, and having a broadcast distribution table. The first BACnet device may provide and update the broadcast distribution table of each additional BACnet device with information from the broadcast distribution table of the first BACnet device via the network.

主权项

1. A system, for providing addresses to a broadcast distribution table, comprising:
a BACnet device; and a name server connected to the BACnet device; and wherein: the BACnet device comprises:
a processor; anda memory connected to the processor; andwherein the memory comprises:
an agent;a broadcast distribution table connected to the agent;a shadow name table connected to the agent, wherein data in the shadow name table correspond to IP addresses in the broadcast distribution table; anda device mechanism connected to the broadcast distribution table; and the agent looks up one or more names in the shadow name table and copies one or more addresses associated with the one or more names, respectively, to the broadcast distribution table; and wherein the broadcast distribution table is a domain name system driven BACnet standard table.