Re: [Gen-art] Genart last call review of draft-ietf-idr-bgp-open-policy-18

Gyan Mishra <hayabusagsm@gmail.com> Wed, 05 January 2022 07:06 UTC

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From: Gyan Mishra <hayabusagsm@gmail.com>
Date: Wed, 05 Jan 2022 02:06:13 -0500
Message-ID: <CABNhwV3s0M_EeamtkFWD1TyLQ5uPBwe3q5jF6WHA+T77JMc2=g@mail.gmail.com>
To: Alvaro Retana <aretana.ietf@gmail.com>
Cc: draft-ietf-idr-bgp-open-policy.all@ietf.org, gen-art@ietf.org, idr@ietf.org, last-call@ietf.org
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Archived-At: <https://mailarchive.ietf.org/arch/msg/gen-art/A0JEqOmvHofg24eDnhOGwXckMks>
Subject: Re: [Gen-art] Genart last call review of draft-ietf-idr-bgp-open-policy-18
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Thanks Alvaro !


On Tue, Jan 4, 2022 at 11:02 AM Alvaro Retana <aretana.ietf@gmail.com>
wrote:

> On January 4, 2022 at 10:44:35 AM, Gyan Mishra wrote:
>
> Gyan:
>
>
> ...
> > > All capabilities are signaled in the OPEN, so there's no possibility
> > > for receiving a Role Capability afterwards.
> >
> > Gyan> Agreed. The multiple capabilities received is mentioned in the
> text,
> > Gyan> however as it’s signaled in the open how would multiple
> capabilities
> > Gyan> be received. As the role capabilities are sent in the open , how
> can
> > Gyan> the possibility of multiple capabilities occur?
>
> The OPEN can include multiple instances of the same capability.  This
> is from rfc5492:
>
>    BGP speakers SHOULD NOT include more than one instance of a
>    capability with the same Capability Code, Capability Length, and
>    Capability Value.  Note, however, that processing of multiple
>    instances of such capability does not require special handling, as
>    additional instances do not change the meaning of the announced
>    capability; thus, a BGP speaker MUST be prepared to accept such
>    multiple instances.
>
>    BGP speakers MAY include more than one instance of a capability (as
>    identified by the Capability Code) with non-zero Capability Length
>    field, but with different Capability Value and either the same or
>    different Capability Length.  Processing of these capability
>    instances is specific to the Capability Code and MUST be described in
>    the document introducing the new capability.
>
>
> Alvaro.
>
-- 

<http://www.verizon.com/>

*Gyan Mishra*

*Network Solutions A**rchitect *

*Email gyan.s.mishra@verizon.com <gyan.s.mishra@verizon.com>*



*M 301 502-1347*

[Gen-art] Genart last call review of draft-ietf-i… Gyan Mishra via Datatracker
Re: [Gen-art] Genart last call review of draft-ie… Alvaro Retana
Re: [Gen-art] Genart last call review of draft-ie… Gyan Mishra
Re: [Gen-art] Genart last call review of draft-ie… Alvaro Retana
Re: [Gen-art] Genart last call review of draft-ie… Sriram, Kotikalapudi (Fed)
Re: [Gen-art] Genart last call review of draft-ie… Gyan Mishra
Re: [Gen-art] Genart last call review of draft-ie… Gyan Mishra
Re: [Gen-art] Genart last call review of draft-ie… Sriram, Kotikalapudi (Fed)
Re: [Gen-art] [Idr] Genart last call review of dr… Brian Dickson
Re: [Gen-art] Genart last call review of draft-ie… Alexander Azimov
Re: [Gen-art] Genart last call review of draft-ie… Alvaro Retana
Re: [Gen-art] [Idr] Genart last call review of dr… Gyan Mishra
Re: [Gen-art] Genart last call review of draft-ie… Gyan Mishra
Re: [Gen-art] Genart last call review of draft-ie… Alexander Azimov
Re: [Gen-art] Genart last call review of draft-ie… Alvaro Retana
Re: [Gen-art] Genart last call review of draft-ie… Sriram, Kotikalapudi (Fed)
Re: [Gen-art] Genart last call review of draft-ie… Gyan Mishra
Re: [Gen-art] Genart last call review of draft-ie… Lars Eggert