Re: [v6ops] new draft: draft-taylor-v6ops-fragdrop

Joe Touch <touch@isi.edu> Fri, 19 October 2012 22:43 UTC

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Date: Fri, 19 Oct 2012 15:42:48 -0700
From: Joe Touch <touch@isi.edu>
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To: Brian E Carpenter <brian.e.carpenter@gmail.com>
References: <201210161245.q9GCj0i26478@ftpeng-update.cisco.com> <E1829B60731D1740BB7A0626B4FAF0A65E0DEDF3A2@XCH-NW-01V.nw.nos.boeing.com> <507DA6A3.20807@inex.ie> <E1829B60731D1740BB7A0626B4FAF0A65E0DEDF3C3@XCH-NW-01V.nw.nos.boeing.com> <507DAB13.2010704@inex.ie> <E1829B60731D1740BB7A0626B4FAF0A65E0DEDF3CE@XCH-NW-01V.nw.nos.boeing.com> <507DDF8A.9010607@inex.ie> <E1829B60731D1740BB7A0626B4FAF0A65E0DEDF5AB@XCH-NW-01V.nw.nos.boeing.com> <BB219517-B488-4777-AE9C-35C57BE91263@kumari.net> <E1829B60731D1740BB7A0626B4FAF0A65E0DEDF778@XCH-NW-01V.nw.nos.boeing.com> <507F265E.6030000@inex.ie> <E1829B60731D1740BB7A0626B4FAF0A65E0DF5BFAE@XCH-NW-01V.nw.nos.boeing.com> <507FAABE.5050601@bogus.com> <507FBD3D.4060909@gmail.com>
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Cc: "v6ops@ietf.org" <v6ops@ietf.org>, "draft-taylor-v6ops-fragdrop@tools.ietf.org" <draft-taylor-v6ops-fragdrop@tools.ietf.org>
Subject: Re: [v6ops] new draft: draft-taylor-v6ops-fragdrop
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On 10/18/2012 1:26 AM, Brian E Carpenter wrote:
> On 18/10/2012 08:07, joel jaeggli wrote:
> ...
>> The focus on core devices is misguided imho... The services edge of my
>> network where both connections terminate and policy is applied may be
>> substantially higher capacity than the backbone of many networks it is
>> exposed to this issue. Given that I am an end-site all traffic carried
>> on a backbone is either coming from or in bound to an end system on our
>> network.
>
> Yes, and as far as I can tell the problems arise with site-boundary
> devices that attempt to indulge in deep packet inspection and are
> stymied by extension headers and/or fragments. Load balancers have
> similar difficulties. These devices do violate the letter or spirit
> of RFC 2460, but that's life.

Life's a b*tch for such devices. Let's keep it that way. ;-)

Joe