EDNS0 client subnet in BIND 9.10

[Ben Croswell]

The use case i am looking at is using ECS or some other mechanism to pass
the IP of client making the query to the global load-balancer. This
information could then be used by the global load-balancer in making
proximity decisions when crafting its response.
I.e. GLB sees 10.1.1.1 and returns a given IP but if it sees 10.2.2.2 the
answer is different.

On Nov 11, 2017 5:31 AM, "Ray Bellis" <ray at isc.org> wrote:

> On 11/11/2017 04:50, Mukund Sivaraman wrote:
> > I'm not sure how ECS would be useful for load-balancing, as in the best
> > case scenario it would require one to control every client side to send
> > the client-subnet option.
>
> It would help if Ben provided more details about what he's trying to
> achieve.
>
> I do have a draft that I'm trying to get adopted at IETF to allow
> client-related information to be carried from load balancer to back-end
> server.  It's not yet implemented in BIND, though:
>
> <https://tools.ietf.org/html/draft-bellis-dnsop-xpf-03>
>
> Ray
>
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