Re: [pim] [Bier] PIM light (draft-ietf-pim-light) and PORT (RFC6559)
Alvaro Retana <aretana.ietf@gmail.com> Wed, 09 November 2022 15:44 UTC
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From: Alvaro Retana <aretana.ietf@gmail.com>
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Date: Wed, 09 Nov 2022 09:43:55 -0600
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To: Toerless Eckert <tte@cs.fau.de>, "Bidgoli, Hooman (Nokia - CA/Ottawa)" <hooman.bidgoli@nokia.com>, "pim@ietf.org" <pim@ietf.org>
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Subject: Re: [pim] [Bier] PIM light (draft-ietf-pim-light) and PORT (RFC6559)
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Yes, I see what you mean. Thanks! Alvaro. From: Bidgoli, Hooman (Nokia - CA/Ottawa) <hooman.bidgoli@nokia.com> <hooman.bidgoli@nokia.com> Date: November 9, 2022 at 3:15:22 PM To: Alvaro Retana <aretana.ietf@gmail.com> <aretana.ietf@gmail.com>, pim@ietf.org <pim@ietf.org> <pim@ietf.org>, Toerless Eckert <tte@cs.fau.de> <tte@cs.fau.de> CC: bier@ietf.org <bier@ietf.org> <bier@ietf.org> Subject: RE: [pim] [Bier] PIM light (draft-ietf-pim-light) and PORT (RFC6559) Hi Alvaro > > > > When would a operator wants to use RFC 6559 over datagram PIM? I would > imagine the same scenarios would be applicable to PIM Light. > > > > My point is that IMO TCP vs regular PIM is a separate discussion and it > might warrant its own informational draft, which I would be happy to > initiate. > > > > But I don’t see how this is PIM Light specific. > > > > Thanks > > Hooman > > > > > > > > *From:* Alvaro Retana <aretana.ietf@gmail.com> > *Sent:* Wednesday, November 9, 2022 6:04 AM > *To:* pim@ietf.org; Bidgoli, Hooman (Nokia - CA/Ottawa) < > hooman.bidgoli@nokia.com>; Toerless Eckert <tte@cs.fau.de> > *Cc:* bier@ietf.org > *Subject:* Re: [pim] [Bier] PIM light (draft-ietf-pim-light) and PORT > (RFC6559) > > > > FWIW, if an implementation choice, I would like to see considerations > about when it should be used and when it might not be required (provide > additional benefits). > > > > Thanks! > > > > Alvaro. > > > From: Bidgoli, Hooman (Nokia - CA/Ottawa) <hooman.bidgoli@nokia.com> > <hooman.bidgoli@nokia.com> > Date: November 9, 2022 at 10:59:11 AM > To: Toerless Eckert <tte@cs.fau.de> <tte@cs.fau.de>, pim@ietf.org > <pim@ietf.org> <pim@ietf.org> > CC: bier@ietf.org <bier@ietf.org> <bier@ietf.org> > Subject: Re: [pim] [Bier] PIM light (draft-ietf-pim-light) and PORT > (RFC6559) > > > > Hi Toerless > > I had a quick read of RFC6559, first read I don't see an issue supporting > PIM light for this RFC. > > That said I am not in favor of the wording that PIM Light "MUST" be over > TCP. I think this is a implementation choice. > PIM light should work over both and it should be a implementation choice. > > So I think the wording should be PIM light would work with RFC 6559 as > well and it is agnostic to the layer 4 transport > > Thanks > Hooman > > -----Original Message----- > From: BIER <bier-bounces@ietf.org> On Behalf Of Toerless Eckert > Sent: Wednesday, November 9, 2022 5:01 AM > To: pim@ietf.org > Cc: bier@ietf.org > Subject: [Bier] PIM light (draft-ietf-pim-light) and PORT (RFC6559) > > Repeating here on the list what i said on the mike @IETF115, PIM, also Cc' > BIER WG as hopefully a beneficiary of this work (draft-ietf-pim-light). > > We really had a lot of reliability problems under reconvergence of PIM > with large amounts of stte which are well applicable as a problem to the > target use-cases of PIM light, especially with BIER which will allow up to > support a lot of state much better. Thousands of PIM joins that under > routing reconvergence events have to be buffered as a huge burst and/or > vendor specific pacing that reduces convergence performance. > > We solved these problems with mLDP and BGP signaling instead of PIM, and > we also then solved them for PIM via PIM over TCP (RFC6559). > > I would really like to see: > > a) The authors/WG check if/what if any issues threre would be to > use PORT with pIM light. I hope/expect none, but if there are, > lets discuss. > > b) Include a requirement that PIM light MUST default to use PORT > and MAY support datagram PIM encapsulation. > > Aka: i really see no reason to continue to use datagram encap with PIM > light, so the "MAY" is really just for unforeseen cases. > > Cheers > Toerless > > _______________________________________________ > BIER mailing list > BIER@ietf.org > https://www.ietf.org/mailman/listinfo/bier > > _______________________________________________ > pim mailing list > pim@ietf.org > https://www.ietf.org/mailman/listinfo/pim > > >
- [pim] PIM light (draft-ietf-pim-light) and PORT (… Toerless Eckert
- Re: [pim] [Bier] PIM light (draft-ietf-pim-light)… Bidgoli, Hooman (Nokia - CA/Ottawa)
- Re: [pim] [Bier] PIM light (draft-ietf-pim-light)… Alvaro Retana
- Re: [pim] [Bier] PIM light (draft-ietf-pim-light)… Bidgoli, Hooman (Nokia - CA/Ottawa)
- Re: [pim] [Bier] PIM light (draft-ietf-pim-light)… Alvaro Retana
- Re: [pim] [Bier] PIM light (draft-ietf-pim-light)… zhang.zheng