Subject: [Diffserv] unsubscribe

From: s s <[email-masked]>
Date: Tue, 15 Aug 2000 15:50:45 -0700 (PDT)

--- Taner OKUMUS <[email-masked]> wrote:
> I was going over RFCs 2474&2475 and two statements
> took my attention.
> 
> RFC 2475 section 6.1 says: "Ingress nodes must
>    condition all other inbound traffic to ensure
> that the DS codepoints
>    are acceptable; packets found to have
> unacceptable codepoints must
>    either be discarded or must have their DS
> codepoints modified to
>    acceptable values before being forwarded.  For
> example, an ingress
>    node receiving traffic from a domain with which
> no enhanced service
>    agreement exists may reset the DS codepoint to
> the Default PHB
>    codepoint [DSFIELD].  "
> 
> RFC 2474 section 3 says: "Packets received with an
> unrecognized codepoint
> SHOULD be forwarded as if they were marked for the
> Default behavior (see
> Sec. 4), and
>    their codepoints should not be changed.  "
> 
> In case of an unrecognized codepoint which statement
> is correct? Should we
> modify the codepoint or should we leave it as it is
> and forward as if it is
> marked as default PHB?
> 
> Any comments?
> 
> 
> Ibrahim Taner OKUMUS
> Syracuse University
> Electrical & Computer Engineering
> http://web.syr.edu/~iokumus
> 
> 
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