Re: [trill] Spencer Dawkins' No Objection on draft-ietf-trill-aa-multi-attach-04: (with COMMENT)

Hi Spencer,

I think the issue can be fixed by adding a reference to "Section 2.2.1 of RFC 1058".

Thanks,
Mingui

> -----Original Message-----
> From: trill [mailto:trill-bounces@ietf.org] On Behalf Of Spencer Dawkins
> Sent: Wednesday, August 19, 2015 7:00 AM
> To: The IESG
> Cc: draft-ietf-trill-aa-multi-attach.shepherd@ietf.org;
> draft-ietf-trill-aa-multi-attach.ad@ietf.org; trill-chairs@ietf.org; trill@ietf.org;
> d3e3e3@gmail.com; draft-ietf-trill-aa-multi-attach@ietf.org
> Subject: [trill] Spencer Dawkins' No Objection on
> draft-ietf-trill-aa-multi-attach-04: (with COMMENT)
> 
> Spencer Dawkins has entered the following ballot position for
> draft-ietf-trill-aa-multi-attach-04: No Objection
> 
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> 
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
> 
> Just one question. In this text:
> 
> 5.3.2. No Echo (Split Horizon)
> 
>    When a multi-destination frame originated from an LAALP is ingressed
>    by an RBridge of an AAE group, distributed to the TRILL network and
>    then received by another RBridge in the same AAE group, it is
>    important that this RBridge does not egress this frame back to this
>    LAALP. Otherwise, it will cause a forwarding loop (echo). The well
>    known 'split horizon' technique is used to eliminate the echo issue.
> 
> Is there a canonical (or semi-canonical) reference for split horizon that you
> could provide here? A pointer to Appendix A would help, but that's more of a
> description of how to do split horizon than a description of what split horizon is.
> 
> I see that Ben also asked for this ...
> 
> 
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