Re: Route Server Filters at IXPs and 4-byte ASNs

[Jeffrey Haas <jhaas () pfrc org>]

Sent from my iPad

> On Jan 25, 2014, at 1:37 PM, Nick Hilliard <nick () foobar org> wrote:
>
> > On 25/01/2014 15:48, Sebastian Spies wrote:
> > To make things worse: even if the IXPs ASN is 2-byte, I would assume,
> > that RS implementors chose to interpret extended community strings as
> > always being in the format 4-byte:2-byte (see RFC5668).
>
> some ixp operators (e.g. me) are rather enthusiastic about the idea of a
> modified form of draft-raszuk-wide-bgp-communities getting more traction.
> This would solve this particular problem and many others.

Wide communities is the wrong tool here. You want this:
http://tools.ietf.org/html/draft-ietf-idr-as4octet-extcomm-generic-subtype-06

-- Jeff 

> Nick