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Re: [v6ops] WG Doc? draft-gont-v6ops-ipv6-ehs-packet-drops

Fernando Gont <fgont@si6networks.com> Mon, 14 March 2016 03:35 UTC

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To: Warren Kumari <warren@kumari.net>, Tom Herbert <tom@herbertland.com>, Brian E Carpenter <brian.e.carpenter@gmail.com>
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From: Fernando Gont <fgont@si6networks.com>
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Subject: Re: [v6ops] WG Doc? draft-gont-v6ops-ipv6-ehs-packet-drops
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On 03/14/2016 12:01 AM, Warren Kumari wrote:
> 
> I think I must have missed something somewhere / lost the plot -- which
> draft is "this" draft? draft-gont-v6ops-ipv6-ehs-packet-drops? 
> I don't think that draft-gont-v6ops-ipv6-ehs-packet-drops says that at
> all -- if the *only* thing that the middlebox is doing is load-balancing
> / ECMP, then this may be true, but in many cases "middleboxes" (a term
> which seems about as vague as "thingies") are doing many other things,
> including filtering, encapsulation, translation, monitoring /
> measurement, "optimization", prioritization, etc. 
> 
> But, as I said, I suspect I've lost the plot somewhere along the line...

This is exactly why this document is needed.

Every time this discussion comes up, people seem to argue that if/when
support for the Flow Label is widespread, packets with EHs will be
passed -- as if ECMP was the sole reason for processing the EH chain.

-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

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