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Re: reserving some SAIDs

To: Ran Atkinson <atkinson@sundance.itd.nrl.navy.mil>
Subject: Re: reserving some SAIDs
From: "Perry E. Metzger" <perry@imsi.com>
Date: Wed, 03 Aug 1994 10:57:04 -0400
Cc: ipsec@ans.net
In-Reply-To: Your message of "Wed, 03 Aug 1994 15:11:46 GMT." <9408031511.aa16550@sundance.itd.nrl.navy.mil>
Reply-To: perry@imsi.com


Ran Atkinson says:
> 
> One subject that I've been asked about several times by IPv6 folks
> is whether we could reserve some SAID values.  These could be
> used for predefined meanings (e.g. use RSA with the public keys
> from the DNS to encrypt/decrypt this packet).  In the IPv6 drafts
> I'm proposing to reserve 0xFFFFFF01 through 0xFFFFFFFF for future
> use along these lines.

I think reserved ranges may make some sense, but I'm not sure that
they are needed for the proposed purpose -- after all, it only takes
one packet to request a SAID assignment from the counterparty, and
only one to get one back -- pre-assigning meanings doesn't seem that
worth while given this. Can you envision a set of conditions that
might make exchange of such information impractical?

Perry

References:

reserving some SAIDs

From: Ran Atkinson <atkinson@sundance.itd.nrl.navy.mil>

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