From b621e17c9f67c230ee7d4d7653963ca4f41f4b9f Mon Sep 17 00:00:00 2001 From: Peter van Dijk Date: Thu, 15 Apr 2021 14:31:08 +0200 Subject: [PATCH] add diagram --- pdns/recursordist/docs/appendices/FAQ.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/pdns/recursordist/docs/appendices/FAQ.rst b/pdns/recursordist/docs/appendices/FAQ.rst index 4d8852361e..86424eb33b 100644 --- a/pdns/recursordist/docs/appendices/FAQ.rst +++ b/pdns/recursordist/docs/appendices/FAQ.rst @@ -44,3 +44,14 @@ To see the buffer size the Recursor is reporting to authoritatives, ask an autho $ dig txt header.lua.powerdns.org +short @127.0.0.1 "id: 52938, aa: false, rd: false, ad: false, cd: false, do: true, ednsbufsiz: 1232, tcp: false" +Or, in a diagram:: + + udp-truncation-threshold edns-outgoing-bufsize + | | + +------+ v +----------+ v +------------+ + | stub | <=========> | recursor | <===================> | responders | + +------+ +----------+ +------------+ + ^ + | + client bufsize (stub => recursor) + bufsize to client (recursor => stub) -- 2.47.2