netdev - Re: [RFC] vxlan: convert remote list to list

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Message-ID: <20130604090031.1283b96f@nehalam.linuxnetplumber.net>
Date:	Tue, 4 Jun 2013 09:00:31 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Mike Rapoport <mike.rapoport@...ellosystems.com>
Cc:	David Stevens <dlstevens@...ibm.com>, netdev@...r.kernel.org,
	netdev-owner@...r.kernel.org, Thomas Graf <tgraf@...g.ch>
Subject: Re: [RFC] vxlan: convert remote list to list_rcu

I am still not 100% convinced of the use case of providing multiple destinations.
It seems like either a solution for migrating guests, a way to do SPAN, or a weird
form of multicast.

Wouldn't it be better to use something like TC actions for these special cases and
handle it at the IP layer rather than having to add so much complexity into the
VXLAN driver itself.

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