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Re: [nvo3-dt-encap] [nvo3] Encap draft published by design team

Joe Touch <touch@isi.edu> Fri, 17 February 2017 00:49 UTC

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To: Tom Herbert <tom@herbertland.com>
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From: Joe Touch <touch@isi.edu>
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Date: Thu, 16 Feb 2017 16:48:50 -0800
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Cc: Sam Aldrin <aldrin.ietf@gmail.com>, Sami Boutros <sboutros@vmware.com>, "nvo3-dt-encap@ietf.org" <nvo3-dt-encap@ietf.org>, "nvo3-chairs@ietf.org" <nvo3-chairs@ietf.org>, "nvo3@ietf.org" <nvo3@ietf.org>
Subject: Re: [nvo3-dt-encap] [nvo3] Encap draft published by design team
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On 2/16/2017 4:39 PM, Tom Herbert wrote:
> The operational issues we see with TLVs in terms of performance and
> DDOS are not aberrations, they are fundamental issues we face in
> deployment.
Agreed, in the case where TLV sets are not fixed for a given path. The
same is also true for bitfields: Ethernet uses a different Ethertypes
for IPv4 and IPv6, even though they're intended to be treated as a
single protocol class with internal versioning indicated by bitfields.

Unknowns are the cause of the problem - in either case.

Joe

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