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Re: CRH and RH0

Robert Raszuk <robert@raszuk.net> Thu, 14 May 2020 13:38 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Thu, 14 May 2020 15:37:52 +0200
Message-ID: <CAOj+MMHoM9ET=iDUCsysd111b7uzxsaRcDR-=DvyNZRe3WhWfQ@mail.gmail.com>
Subject: Re: CRH and RH0
To: Stewart Bryant <stewart.bryant@gmail.com>
Cc: Ronald Bonica <rbonica@juniper.net>, 6man <6man@ietf.org>, Bob Hinden <bob.hinden@gmail.com>, "Darren Dukes (ddukes)" <ddukes=40cisco.com@dmarc.ietf.org>
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Stewart,

> How could *all* ever be the case?

I am reading what Ron wrote and asking to clarify what he meant when he
wrote it.

Thx




On Thu, May 14, 2020 at 3:10 PM Stewart Bryant <stewart.bryant@gmail.com>
wrote:

>
>
> On 14 May 2020, at 13:39, Robert Raszuk <robert@raszuk.net> wrote:
>
> *The CRH can be used within any network where:*
>
>    - *All nodes can maintain a CRH-FIB that maps SIDs to IPv6 addresses
>    and forwarding methods*
>
> Can you confirm that if I have at least one node which can not maintain
> CRH-FIB CRH can not be used in the entire network ? To me that is
> sever limitation and deployment blocker. Are you saying that legacy node -
> pure IPv6 transit - can not just forward based on the DA address and must
> always inspect CRH ?
>
>
> How could *all* ever be the case? Surely it is the same as SRv6 in that
> nodes that do not understand the EH just forward the packet on the best
> effort path, and nodes instantiating the path need to take that into
> consideration.
>
> Stewart
>

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