[AFS3-std] Proposal: Extension of RXAFS_SetLock to support LockUpgrade and LockDowngrade

Jeffrey Altman jaltman@secure-endpoints.com
Tue, 28 Feb 2006 13:42:21 -0500


This is a cryptographically signed message in MIME format.

--------------ms090208020001050908040105
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

Jeffrey Hutzelman wrote:
> 
> 
> On Monday, February 27, 2006 01:46:18 PM -0500 Jeffrey Altman
> <jaltman@secure-endpoints.com> wrote:
> 
>> Jeffrey Hutzelman wrote:
>>
>>> Capability bits are cheap as long as we don't have very many.
>>> When we start to get large numbers of them, carrying them all may become
>>> expensive.
>>
>> We have over 6000 capability bits per service transfered by the
>> GetCapability RPC.   Which expense are you concerned about?
> 
> The 6000'th bit is considerably more expensive than the first, because
> when we're using only the early bits, we don't have to transport the
> later ones. Note that the capability vector is a counted vector, not an
> array.
> 
> -- Jeff

That is a valid concern but I don't see us getting using even hundreds
of capability bits per service let alone thousands.

Jeffrey Altman


--------------ms090208020001050908040105
Content-Type: application/x-pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"
Content-Description: S/MIME Cryptographic Signature
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--------------ms090208020001050908040105--