On 06/16/2015 07:26 PM, Ian Campbell wrote:
On Tue, 2015-06-16 at 12:24 +0100, Ian Campbell wrote:
On Mon, 2015-06-08 at 11:45 +0800, Yang Hongyang wrote:
setup/teardown of COLO proxy module.
we use netlink to communicate with proxy module.
What is a COLO proxy module and where would one get hold of such a
thing?
Is this a new kernel feature with a patch? If so then please link to its
posting to the appropriate upstream and indicate what you understand of
its progress upstream.
(I seem to remember discussing a COLO networking component at the
hackathon which seemed like it could be done using existing components,
is that this?)
IIRC the existing component I was thinking of was
http://www.netfilter.org/projects/libnetfilter_queue/ which allows
userspace to do pretty advanced filtering, queueing, gating, delaying
etc of packets.
The reason we are not using userspace solution is that we worried about
the performance. There will be huge amount of packets pass through, the
context switch cost will be an overhead. The colo-proxy module:
https://lkml.org/lkml/2015/6/18/32
Ian.
.
--
Thanks,
Yang.
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