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ANW2 Automatic Forming Network
• Centralized command and control is not required for
network formation, management and healing
Hotel
Golf
Tango
Zulu
November
As radios enter ANW2 mode and start communicating with each other, a Global
Server Node (GSN) is selected by the radio network. The GSN maintains the
information required for network control. If the current GSN goes down a new
GSN is selected and there is no impact to the network. The GSN cannot be pre-
configured.
As the network is formed, each radio keeps track of how many other radios are in
direct line of site to itself (called 1-HOPs) and how many radios are in the entire
network. The radios are tracked by their IP address. If a radio leaves the
network that was relaying data, the network status is updated within a few
seconds and the data is automatically relayed through an alternate route. Data
can be relayed up to 8 Hops and voice can be relayed up to 4 Hops.
Self healing example: If Tango is sending data to Hotel relayed through
November and November drops out of the network, Zulu will automatically begin
relaying the data.
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