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authorDave Barach <dave@barachs.net>2017-10-10 17:53:14 -0400
committerFlorin Coras <florin.coras@gmail.com>2017-10-13 20:20:09 +0000
commit6545716c073c88ad86458620c6dbc59ba1cd00bb (patch)
tree2bd8b7d9cd0e221669081aba27786e1ce5eee964 /src/vnet/interface_format.c
parent7e550693dffd368b9dd8e0397674cfc4d10f9579 (diff)
VPP-1027: DNS name resolver
This patch is a plausible first-cut, suitable for initial testing by vcl (host stack client library). Main features; - recursive name resolution - multiple ip4/ip6 name servers - cache size limit enforcement - currently limited to 65K - ttl / aging - static mapping support - show / clear / debug CLI commands Binary APIs provided for the following: - add/delete name servers - enable/disable the name cache - resolve a name To Do list: - Respond to ip4/ip6 client DNS requests (vs. binary API requests) - Perf / scale tuning - map pending transaction ids to pool indices, so the cache can (greatly) exceed 65K entries - Security improvements - Use unpredictable dns transaction IDs, related to previous item - Make sure that response-packet src ip addresses match the server - Add binary APIs - deliver raw response data to clients - control recursive name resolution - Documentation Change-Id: I48c373d5c05d7108ccd814d4055caf8c75ca10b7 Signed-off-by: Dave Barach <dave@barachs.net>
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