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DNS module: Difference between revisions
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The DNS module tracks name lookup requests and responses to be able to present names for IP address without doing an active lookup. | The DNS module tracks name lookup requests and responses to be able to present names for IP address without doing an active lookup. | ||
This allows the Network Multimeter to do efficient passive name resolving. | This allows the Allegro Network Multimeter to do efficient passive name resolving. | ||
The DNS module stores for each name the last IP that has been announced. Due to load balancing mechanisms in content delivery networks (or other setups) and virtual hosting, a name might be resolved to multiple IP addresses or a single IP address uses multiple names. The web frontend will always show the latest information seen on the network. | The DNS module stores for each name the last IP that has been announced. Due to load balancing mechanisms in content delivery networks (or other setups) and virtual hosting, a name might be resolved to multiple IP addresses or a single IP address uses multiple names. The web frontend will always show the latest information seen on the network. | ||