[dns-operations] Comparing TCP and UDP response times of root name servers

Dobbins, Roland rdobbins at arbor.net
Wed Nov 21 01:12:34 UTC 2012

On Nov 21, 2012, at 8:06 AM, John Kristoff wrote:

> Technical barriers, funding issues or lack of demand perhaps?

All of the above, plus inertia, lack of awareness, perceived lack of need compared to UDP with individualized congestion-control mechanisms, et. al.

DCCP was proposed quite some time ago, and was implemented in some *NIX stacks; does anything at layer-7 actually make use of it?

Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>

	  Luck is the residue of opportunity and design.

		       -- John Milton

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