per-data option processing for statusRequest option

Hi All,

Please discard my earlier mail, if any.

Consider the following scenario's: 

A. per-data option "statusRequest" is specified with
'this' hop as target and the message is meant for 2 or
more recipients:
---------------------------------------------------------------------------------------------------------------------------

<data content='cid:[email protected]'>
  <originator identity='[email protected]' />
  <recipient identity='[email protected]' />
  <recipient identity='[email protected]' />
  <option internal='statusRequest' targetHop='this'
         mustUnderstand='true' transID='86' />
</data>


What should the relay(example.com) do while processing
per-data option?

Does relay(example.com) remove the per-data option
when forwarding to relay(rubble.com) as specified in
section 5 "APEX Options"
...
   	   this: the option applies to this relay, and
must be removed prior to transmitting the containing
element.
...



B. if relay(rubble.com) does not support
'statusRequest' option and since 'mustUnderstand' is
true 
--------------------------------------------------------------------------------------------------

Should relay(rubble.com) move to step 4 of section
"4.4.4.1" or return an error element to the orginator.



According to my understanding of the protocol, If
relay does not supports any of the option
(mustUnderstand as true) then it should return some 

error element. If relay supports all the option
(mustUnderstand as true) specified than it should
return 'ok' element and later when processing 

for each recipient, should process 'per-data' option
for each recipient depending upon the response from
the recipients.

Any help will be appreciated....

Regards-
Mike


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