Rami,
Such a hash, being irreversible, would be of no use for diffserv classification.
Brian
Rami Lehtonen wrote:
>
> > p.s. For what it is worth, my current thinking is that I would prefer not
> > use the flow label field for any specific QOS approach(s). I am open to
> > something that makes it easier to identify flows. This could be used for
> > QOS or other flow related applications.
>
> I'm not followed the whole chain of the flow label discussion, but I was
> curious enough to ask what are the reasons why we doesn't use the flow label
> just for identification of different flows. We could calculate e.g. a hash
> value from the IP addresses, port numbers and protocol number at the client
> side and then put that value in the flow label field. That value could be
> efficiently used by the network or the receiver to different flow
> identification purposes even with ESP headers.
>
> - Rami Lehtonen
>
> --------------------------------------------------------------------
> IETF IPng Working Group Mailing List
> IPng Home Page: http://playground.sun.com/ipng
> FTP archive: ftp://playground.sun.com/pub/ipng
> Direct all administrative requests to [EMAIL PROTECTED]
> --------------------------------------------------------------------
--
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Brian E Carpenter
Distinguished Engineer, Internet Standards & Technology, IBM
On assignment for IBM at http://www.iCAIR.org
Board Chairman, Internet Society http://www.isoc.org
"We shall need a number of efficient librarian types
to keep us in order." - Alan Turing, 1947.
--------------------------------------------------------------------
IETF IPng Working Group Mailing List
IPng Home Page: http://playground.sun.com/ipng
FTP archive: ftp://playground.sun.com/pub/ipng
Direct all administrative requests to [EMAIL PROTECTED]
--------------------------------------------------------------------