Re: transID issues...

At 05:54 PM 7/29/02 -0700, Marshall Rose wrote:
> > Using Apex Access as an example of what is a general issue:
> >
> >     1) If an Apex Access service receives a message that has no transID
> > or an invalid transID, how does it form a valid "reply" message to
> > indicate the error? The problem is that a reply requires a transID that
> > is identical to the transID of the message being replied to. If the
> > transID is missing or invalid, how should the service reply?
> >     2) If an Apex Access service receives a message that does not
> > conform to the Apex Access DTD's or is invalid XML, how does it decide
> > what transID to use in a reply? The problem is that if the message
> > doesn't conform, then any attempt to extract a transID from the message
> > is probably pure guesswork.
>
>bob - the answer in both cases is to drop the message. relays shouldn't be 
>trying to validate content.

And similarly, I would say, the receiving access service should just drop 
the message if not properly formed.

#g


-------------------
Graham Klyne
<[email protected]>