Hi, Teco,
On 3/30/2011 4:29 AM, Teco Boot wrote:
Sorry for x-posting. But there is a conflict in:
http://tools.ietf.org/html/draft-ietf-manet-smf
http://tools.ietf.org/html/draft-ietf-intarea-ipv4-id-update
SMF has a duplicate packet detection function based on the IPv4
ID field. So text in ietf-intarea-ipv4-id-update section 4
is not correct, in that there would be no deployments for such.
SMF is experimental. When we talk about deployments of duplicate
detection, we're focused on standards-based systems.
Note that ipv4-id-update is standards-track.
That said, SMF deployment with IPv4 DPD on IP-ID would be limited.
What to do?
IMO, recommend H-DPD and change the discussion to explain why the ID
shouldn't be used for DPD (the text is basically already there - it
mentions the idea, but then explains that it's not likely to work anyway).
Use of the IP ID for this purpose is problematic for a variety of
reasons, which is why ipv4-id-update deprecates use of that field for
that purpose.
Joe
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