Re: [Int-area] Alissa Cooper's No Objection on draft-ietf-intarea-frag-fragile-16: (with COMMENT)
"Templin (US), Fred L" <Fred.L.Templin@boeing.com> Tue, 03 September 2019 21:02 UTC
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From: "Templin (US), Fred L" <Fred.L.Templin@boeing.com>
To: Fernando Gont <fgont@si6networks.com>, Tom Herbert <tom@herbertland.com>, Bob Hinden <bob.hinden@gmail.com>
CC: "int-area@ietf.org" <int-area@ietf.org>, IESG <iesg@ietf.org>, Joel Halpern <joel.halpern@ericsson.com>, "draft-ietf-intarea-frag-fragile@ietf.org" <draft-ietf-intarea-frag-fragile@ietf.org>, "intarea-chairs@ietf.org" <intarea-chairs@ietf.org>
Thread-Topic: [Int-area] Alissa Cooper's No Objection on draft-ietf-intarea-frag-fragile-16: (with COMMENT)
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Date: Tue, 03 Sep 2019 21:02:27 +0000
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Subject: Re: [Int-area] Alissa Cooper's No Objection on draft-ietf-intarea-frag-fragile-16: (with COMMENT)
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Fernando, > -----Original Message----- > From: Fernando Gont [mailto:fgont@si6networks.com] > Sent: Tuesday, September 03, 2019 1:49 PM > To: Tom Herbert <tom@herbertland.com>; Bob Hinden <bob.hinden@gmail.com> > Cc: Templin (US), Fred L <Fred.L.Templin@boeing.com>; int-area@ietf.org; IESG <iesg@ietf.org>; Joel Halpern > <joel.halpern@ericsson.com>; draft-ietf-intarea-frag-fragile@ietf.org; intarea-chairs@ietf.org > Subject: Re: [Int-area] Alissa Cooper's No Objection on draft-ietf-intarea-frag-fragile-16: (with COMMENT) > > On 3/9/19 23:33, Tom Herbert wrote: > > Bob, > > > > I agree with Fred. Note, the very first line of the introduction: > > > > "Operational experience [Kent] [Huston] [RFC7872] reveals that IP > > fragmentation introduces fragility to Internet communication". > > > > This attempts to frame fragmentation as being generally fragile with > > supporting references. However, there was much discussion on the list > > about operational experience that demonstrates fragmentation is not > > fragile. > > Discussion is not measurements. Do you have measurements that suggest > otherwise? > > We did separate measurements, with different methodologies, and they > suggest the same thing. You can discuss as much as you want. But that > will not make fragmentation work. > > > > > In particular, we know that fragmentation with tunnels is > > productively deployed and has been for quite some time. So that is the > > counter argument to the general statement that fragmentation is > > fragile. With the text about tunneling included in the introduction I > > believe that was sufficient balance of the arguments, but without the > > text the reader could be led to believe that fragmentation is fragile > > for everyone all the time which is simply not true and would be > > misleading. > > "fragile" means that it fails in an uncceptably large number of cases. > ~30 failure rate is not acceptable. ~20% isn't, either. What if we fragment the payload packet instead of the delivery packet? Wouldn't that give a 0% failure rate? Fred > > But the "problem" of fragmentation is in intermediate devices that > > don't properly handle it as the draft highlights. So it seems like > > part of addressing the problem should also be to fix the problem! That > > is implementations should be fixed to deal with fragmentation. > > The same logic would solve the problem of widespread famine, and others. > I don't think that logic has solved any real problems in the real world. > > -- > Fernando Gont > SI6 Networks > e-mail: fgont@si6networks.com > PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492 > > >
- [Int-area] Alissa Cooper's No Objection on draft-… Alissa Cooper via Datatracker
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Tom Herbert
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Tom Herbert
- Re: [Int-area] Alissa Cooper's No Objection on dr… Bob Hinden
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Bob Hinden
- Re: [Int-area] Alissa Cooper's No Objection on dr… Tom Herbert
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Bob Hinden
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Ole Troan
- Re: [Int-area] Alissa Cooper's No Objection on dr… Tom Herbert
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Black, David
- Re: [Int-area] Alissa Cooper's No Objection on dr… Bob Hinden
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Ole Troan
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Bob Hinden
- Re: [Int-area] Alissa Cooper's No Objection on dr… Ole Troan
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Ron Bonica
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fred Baker
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fred Baker
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Tom Herbert
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fernando Gont
- Re: [Int-area] Alissa Cooper's No Objection on dr… Templin (US), Fred L
- Re: [Int-area] Alissa Cooper's No Objection on dr… Warren Kumari
- [Int-area] Discussion about Section 6.1 in draft-… Bob Hinden
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Bob Hinden
- Re: [Int-area] Discussion about Section 6.1 in dr… Joel Halpern
- Re: [Int-area] Discussion about Section 6.1 in dr… Tom Herbert
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Bob Hinden
- Re: [Int-area] Discussion about Section 6.1 in dr… Bob Hinden
- Re: [Int-area] Discussion about Section 6.1 in dr… Warren Kumari
- Re: [Int-area] Discussion about Section 6.1 in dr… Ron Bonica
- Re: [Int-area] Discussion about Section 6.1 in dr… Tom Herbert
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Bob Hinden
- Re: [Int-area] Discussion about Section 6.1 in dr… Ron Bonica
- Re: [Int-area] Discussion about Section 6.1 in dr… Ole Troan
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Ole Troan
- Re: [Int-area] Discussion about Section 6.1 in dr… Tom Herbert
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Ole Troan
- Re: [Int-area] Discussion about Section 6.1 in dr… Ole Troan
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Tom Herbert
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Tom Herbert
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Ole Troan
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Bob Hinden
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Fernando Gont
- Re: [Int-area] Discussion about Section 6.1 in dr… Bob Hinden
- Re: [Int-area] Alissa Cooper's No Objection on dr… Fred Baker
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Brian E Carpenter
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Brian E Carpenter
- Re: [Int-area] Alissa Cooper's No Objection on dr… Joe Touch
- Re: [Int-area] Alissa Cooper's No Objection on dr… Brian E Carpenter
- Re: [Int-area] Discussion about Section 6.1 in dr… Fernando Gont
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Geoff Huston
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Bob Hinden
- Re: [Int-area] Discussion about Section 6.1 in dr… Brian E Carpenter
- Re: [Int-area] Discussion about Section 6.1 in dr… Ron Bonica
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Ole Troan
- Re: [Int-area] Discussion about Section 6.1 in dr… Fred Baker
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Templin (US), Fred L
- Re: [Int-area] Discussion about Section 6.1 in dr… Joe Touch
- Re: [Int-area] Discussion about Section 6.1 in dr… Fred Baker