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@@ -1,9 +1,10 @@
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-DNS-Caching
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+DNS caching
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===========
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+
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User experience may be greatly improved when dns is accelerated. Also, it
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seems like a good idea to keep the number of packages being exchanged
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between node and gateway as small as possible. In order to do this, a
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-dns-cache may be used on a node. The dnsmasq instance listening on port
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+DNS cache may be used on a node. The dnsmasq instance listening on port
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53 on the node will be reconfigured to answer requests, use a list of
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upstream servers and a specific cache size if the options listed below are
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added to site.conf. Upstream servers are the DNS servers which are normally
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@@ -12,14 +13,14 @@ used by the nodes to resolve hostnames (e.g. gateways/supernodes).
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There are the following settings:
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servers
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cacheentries
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-
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-If both options are set the node will cache as much DNS records as set with
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-'cacheentries' in RAM. The 'servers' list will be used to resolve the received
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-DNS-queries if the request cannot be answered from cache.
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-If these settings do not exist, the cache is not intialized and RAM-usage will not increase.
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-
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-When next_node.name is set, an A-record and an AAAA-record for the
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-next-node-IP are placed in the dnsmasq configuration. This means that the content
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+
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+If both options are set the node will cache as much DNS records as set with
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+'cacheentries' in RAM. The 'servers' list will be used to resolve the received
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+DNS queries if the request cannot be answered from cache.
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+If these settings do not exist, the cache is not intialized and RAM usage will not increase.
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+
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+When next_node.name is set, an A record and an AAAA record for the
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+next-node IP address are placed in the dnsmasq configuration. This means that the content
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of next_node.name may be resolved even without upstream connectivity.
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::
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@@ -28,7 +29,7 @@ of next_node.name may be resolved even without upstream connectivity.
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cacheentries = 5000,
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servers = { '2001:db8::1', },
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},
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-
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+
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next_node = {
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name = 'nextnode',
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ip6 = '2001:db8:8::1',
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Matthias Schiffer