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[hiprg] HIP experiment report comment on opportunistic mode

"Henderson, Thomas R" <thomas.r.henderson@boeing.com> Tue, 06 December 2011 08:01 UTC

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From: "Henderson, Thomas R" <thomas.r.henderson@boeing.com>
To: "hiprg@irtf.org" <hiprg@irtf.org>
Date: Tue, 06 Dec 2011 00:01:24 -0800
Thread-Topic: HIP experiment report comment on opportunistic mode
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Subject: [hiprg] HIP experiment report comment on opportunistic mode
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I would like to respond to one of Stephen Farrell's comment on the HIP experiment report:

http://datatracker.ietf.org/doc/draft-irtf-hip-experiment/ballot/

The comment is:

" - I wondered what were the "controversial experiences" on p10. Seems
a shame to tease the reader like that."

The relevant section of text is:

   In the context of the HIPL project, the opportunistic mode has been
   successfully applied at the HIP layer for service registration
   [RFC5203].  However, there are controversial experiences on applying
   opportunistic mode at the application layer for legacy software.
   HIP4BSD implemented opportunistic mode successfully with small
   modifications to the FreeBSD socket layer to support opportunistic
   mode.

Could someone elaborate on the controversial experience (and perhaps provide a reference)?  Note that elsewhere in the report (section 2.3.2), the disadvantages and "leap of faith" aspects of opportunistic mode are elaborated on, so I'm wondering whether the reference to controversial experiences goes beyond the disadvantages already listed in section 2.3.2 (or whether we could instead strike those words from the draft and refer back to that section).

- Tom

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