Hi Joe,

> -----Original Message-----
> From: Joe Touch [mailto:to...@isi.edu]
> Sent: Thursday, December 01, 2016 10:21 AM
> To: Templin, Fred L <fred.l.temp...@boeing.com>; Lucy yong 
> <lucy.y...@huawei.com>; Brian E Carpenter
> <brian.e.carpen...@gmail.com>; int-area@ietf.org
> Subject: Re: [Int-area] Some thoughts on 
> draft-yong-intarea-inter-sites-over-tunnels
> Hi, Fred,
> To wrap up:
> - Subnet Redirects appear to rely on AERO-specific mechanisms, so would
> not be of more general relevance to a bis doc IMO

RFC6706 already specifies how these Redirects work and is agnostic to the
link type. AERO(bis) tells how they work on AERO links through use of the
IPv6 ND protocol on a specific link type.

> - multiple link addresses are already part of the Ethernet spec and
> already handled by most IP over Ethernet implementations (and TOS
> marking correlation is defined in 802.1p). 

I'd like to see what you are talking about so I can compare it to what
AERO is doing.

> When you assign more than
> one link address to a single physical interface, you're acting as if you
> have multiple links.

No, you are acting as if there are multiple link-layer addresses on the
same link.

> At that point, the forwarding table indicates not
> only the next-hop IP but the outgoing link -- for multiple link
> addresses these are treated as different virtual interfaces already.

Going with what I just said above, the forwarding table indicates only
the next-hop IP. It is the neighbor cache entry for the next-hop IP
that includes the multiple link-layer addresses. But, it is all one link.

> - I agree that IPv6 ND was done in an INTAREA WG; the same might be true
> for AERO, but the INTAREA WG should be a place where generic aspects of
> all Internet layer issues should be addressed, not domain-specific
> solutions (IMO).
> AERO might be one doc, but it is 60+ pages with over 70 revisions. I don't 
> think it would be useful to bog down INTAREA with
> something that large.

The document size and number of revisions are irrelevant. By making it
an intarea doc, it would revert back to a -00.

Thanks - Fred

> Joe

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