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Re: [Roll] Path Control Bits handling issue in 6550

Michael Richardson <mcr+ietf@sandelman.ca> Tue, 15 September 2020 07:12 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Date: Tue, 15 Sep 2020 03:12:30 -0400
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Subject: Re: [Roll] Path Control Bits handling issue in 6550
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Rahul Jadhav <rahul.ietf@gmail.com> wrote:
    >> > Yes, I believe that the points in observations need to be addressed.
    >> > I started this for the Path Control Bits handling issue in 6550.
    >>
    >> can you explain what you mean bby Path Control Bits?
    >> Is "T" one of those bits?
    >>

    > https://tools.ietf.org/html/rfc6550#section-9.9 explains Path Control.
    > The DIO(Config Option) in the control plane carries PCS bits... Also the
    > DAO(TIO) carries Path control related information.

Oh, yes.
I remember that I never thought very much about that part.

    > The strange part is very few really understand Path Control ... No open
    > source implements it. But it occupies a good amount of real estate in 6550.

I'll need to re-read it again and think about it.

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide

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