Wireshark-bugs: [Wireshark-bugs] [Bug 9024] fix Length field of the Attributes TLV (RSVP)

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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Fri, 09 Aug 2013 06:56:00 +0000

Comment # 5 on bug 9024 from 
(In reply to comment #4)
> (In reply to comment #3)
> > Hi,
> > 
> > Do we need some preference which sets compilance level (by default set to
> > RFC 5420)?
> 
> The rest of the quote from the RFC makes me think this was a bug fix (to the
> spec) rather than a significant version change (thus a preference would not
> be necessary):
> 
> ~~~
>   Prior to the change, the Length field indicated the length of the
>    Value field only.  After the change, as described in Section 3, the
>    Length field indicates the length of the whole TLV.  This change
>    means that this document is consistent with the subobject format
>    defined in [RFC3209] and the TLV format defined in [RFC3471].
> ~~~

Hi,

spec bug fix indeed.

Some people implemented Attributes TLV "the right way" (i.e. L == length 
of the whole TLV) even before 4420bis (aka 5420).  I doubt there is a 
RSVP implementation that do it "wrong" (i.e. L == the length of the V part).

Thank you
Ciao
FF

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