On Tue, Dec 16, 2014 at 08:55:12PM +0530, Mukund Sivaraman wrote:
> Given the risk of EDNS payload size related drops from an uknown server
> and extra roundtrips, what are the reasons why this option should be
> used in preference to TCP (that is just 1 RTT longer to get an answer
> from) and has several other advantages?

Sorry, TCP also takes 2 RTT similar to UDP with DNS cookies. I had
included the initial UDP query by mistake, but this won't be involved if
TCP is directly tried.

                Mukund

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