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Re: [spring] WG Last Call for draft-ietf-spring-segment-routing-msdc-02

Anoop Ghanwani <anoop@alumni.duke.edu> Fri, 03 March 2017 20:26 UTC

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From: Anoop Ghanwani <anoop@alumni.duke.edu>
Date: Fri, 03 Mar 2017 12:25:57 -0800
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To: "Stefano Previdi (sprevidi)" <sprevidi@cisco.com>
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Subject: Re: [spring] WG Last Call for draft-ietf-spring-segment-routing-msdc-02
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On Fri, Mar 3, 2017 at 6:38 AM, Stefano Previdi (sprevidi) <
sprevidi@cisco.com> wrote:

>
> > On Mar 1, 2017, at 7:27 PM, Anoop Ghanwani <anoop@alumni.duke.edu>
> wrote:
>
> > What I am asking for is clarification on how different Tier-3 nodes
> might share the same AS number.
>
>
> “share” is the wrong term and we agreed to change it.
>
> Btw, RFC7938 section 5.2.2. "Private Use ASNs” says:
>
>
>    The original range of Private Use ASNs [RFC6996] limited operators to
>    1023 unique ASNs.  Since it is quite likely that the number of
>    network devices may exceed this number, a workaround is required.
>    One approach is to re-use the ASNs assigned to the Tier 3 devices
>    across different clusters.  For example, Private Use ASNs 65001,
>    65002 ... 65032 could be used within every individual cluster and
>    assigned to Tier 3 devices.
>
> By “share” we intended to “use” the same number in different clusters.
>

Thanks.  That address all the comments I had.

Anoop

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