Re: [Dime] [dime] #54: OC-Report-Type as mandatory AVP

[Steve Donovan <[e-mail]>]

Susan,

We are in the middle of the discussion and have not yet reached consensus.

I agree with Jouni on making it explicit.  Either way, we should try to
make a decision quickly.

Steve

On 3/23/14 10:59 PM, Shishufeng (Susan) wrote:
> Hello Jouni,
>
> I assume we had a lot of discussion on this and reached consensus to keep it as it is in the draft. 
>
> Best Regards,
> Susan
>
>
> -----Original Message-----
> From: Jouni Korhonen [mailto:[e-mail]] 
> Sent: Saturday, March 22, 2014 10:38 AM
> To: Steve Donovan
> Cc: [e-mail]
> Subject: Re: [Dime] [dime] #54: OC-Report-Type as mandatory AVP
>
>
> Lets have it explicit then. Use '<' and '>' to make the position fixed.
>
> - Jouni
>
> On Mar 19, 2014, at 1:29 AM, Steve Donovan <[e-mail]> wrote:
>
>> I'm ok with either direction but generally lean toward being explicit.
>>
>> Do we have other opinions?  
>>
>> Steve
>> On 3/18/14 12:16 PM, Maria Cruz Bartolome wrote:
>>> Hello,
>>> I think the agreement tendency is the contrary: OC-Report-Type is not required, while default value is Host. i.e. it will remain as it is now in the draft.
>>> This may be of some advantage for some applications that may only use Host, as long as they may never generate Realm reports.
>>> If there is consensus on this, I will go with this.
>>> Best regards
>>> /MCruz
>>>  
>>> From: DiME [mailto:[e-mail]] On Behalf Of Steve Donovan
>>> Sent: martes, 18 de marzo de 2014 17:47
>>> To: [e-mail]
>>> Subject: Re: [Dime] [dime] #54: OC-Report-Type as mandatory AVP
>>>  
>>> All,
>>>
>>> Do we have consensus that the OC-Report-Type AVP is required?
>>>
>>> If so then one change would be as indicated in the syntax definition proposed by Lionel.  We would also remove wording on the default value.
>>>
>>> Jouni,
>>>
>>> How do we indicate a fixed position for an AVP?  
>>>
>>> I presonally don't see this as critical but we can add this requirement if there is consensus.
>>>
>>> Regards,
>>>
>>> Steve
>>>
>>> On 2/28/14 10:27 AM, Jouni Korhonen wrote:
>>>  
>>> Hi,
>>>  
>>> How having the AVP could be less error prone if it has a default 
>>> value and the receiver knows exactly how to proceed when the AVP is 
>>> not present?
>>>  
>>> If a node does not include it when it should, the implementation is 
>>> broken. Wouldn't a broken node be able to put wrong report type into 
>>> the AVP even if the AVP is mandatory?
>>>  
>>> Anyway, if it is my statement keeping issue #54 still open, consider 
>>> it resolved from my side. I am OK making the OC-Report-Type AVP as 
>>> required/mandatory AVP. Should we also consider it having a fixed 
>>> position just after the OC-Sequence-Number AVP as well since it is 
>>> going to in every OC-OLR?
>>>  
>>> - Jouni
>>>  
>>>  
>>>  
>>> On Feb 21, 2014, at 11:47 AM, Maria Cruz Bartolome <[e-mail]> wrote:
>>>  
>>>  
>>> Hello all,
>>>  
>>> I understand JJ point of view, but I still tend to prefer to make it mandatory, since I think this is less error-prone, since the only node that knows the requested Report-Type is the reporting, if for any reason a reporting is omitting it (since it is optional), it will be always interpreted as HOST, but this type may be wrong.
>>>  
>>> I think DEFAULT values should never be error-prone, but used in "general cases", as a simplification, like e.g. a default for the Validity-Duration. Default Validity-Duration will never be an "error", it could be not the best value (compared with another value perfectly tuned to reporting node overload situation) but never the use of a Default value should lead to an erroneous behavior.
>>>  
>>> Best regards
>>> /MCruz
>>>  
>>> -----Original Message-----
>>> From: DiME [mailto:[e-mail]] On Behalf Of Ben Campbell
>>> Sent: viernes, 14 de febrero de 2014 23:13
>>> To: Jouni Korhonen
>>> Cc: [e-mail]
>>> Subject: Re: [Dime] [dime] #54: OC-Report-Type as mandatory AVP
>>>  
>>> I actually prefer making it mandatory. The cost of adding it is trivial--even more so for a reporting node that only supports the default. The value of having it is less opportunity for interop errors.
>>>  
>>> On Feb 13, 2014, at 6:05 AM, Jouni Korhonen <[e-mail]> wrote:
>>>  
>>>  
>>> Agree that it is a small optimization, which I put there because at 
>>> the beginning there seemed to be a lot of worry on every extra AVP 
>>> ;-)
>>>  
>>> I prefer having the AVP optional but with a default value just like 
>>> it is now. We have the same for the reduction percentage and the 
>>> validity time as well.
>>>  
>>> - Jouni
>>>  
>>> On Feb 13, 2014, at 10:55 AM, "TROTTIN, JEAN-JACQUES (JEAN-JACQUES)" <[e-mail]> wrote:
>>>  
>>> Hi Mcruz
>>>  
>>> The current description indicates that when not present the OLR is of type Host, which was fine for me and keeps my preference. 
>>> We may have  deployments where Realm OLR is not used, or where statistically the HOST type is the most frequent, so to have the grouped OLR-AVP containing a minimum of AVPs minimizes parsing. I agree it is a small optimization.
>>>  
>>> Best regards
>>>  
>>> JJacques
>>>  
>>>  
>>>  
>>>  
>>> -----Message d'origine-----
>>> De : DiME [mailto:[e-mail]] De la part de 
>>> [e-mail] Envoyé : mercredi 12 février 2014 15:46 À :
>>> [e-mail]; [e-mail] Objet : Re: [Dime] 
>>> [dime] #54: OC-Report-Type as mandatory AVP
>>>  
>>> Hi Maria Cruz,
>>>  
>>> I'm assuming that you mean "required" instead of "mandatory", right?
>>>  
>>> So instead of:
>>>  
>>> OC-OLR ::= < AVP Header: TBD2 >
>>>            < OC-Sequence-Number >
>>>            [ OC-Report-Type ]
>>>            [ OC-Reduction-Percentage ]
>>>            [ OC-Validity-Duration ]
>>>          * [ AVP ]
>>>  
>>> You would prefer:
>>>  
>>> OC-OLR ::= < AVP Header: TBD2 >
>>>            < OC-Sequence-Number >
>>>            { OC-Report-Type }
>>>            [ OC-Reduction-Percentage ]
>>>            [ OC-Validity-Duration ]
>>>          * [ AVP ]
>>>  
>>> And I'm fine with this proposal.
>>>  
>>> Cheers,
>>>  
>>> Lionel
>>>  
>>> -----Message d'origine-----
>>> De : DiME [mailto:[e-mail]] De la part de dime issue 
>>> tracker Envoyé : mercredi 12 février 2014 15:26 À :
>>> [e-mail] Cc : [e-mail] Objet : [Dime] 
>>> [dime] #54: OC-Report-Type as mandatory AVP
>>>  
>>> #54: OC-Report-Type as mandatory AVP
>>>  
>>> Now in chapter 4.6:
>>>  
>>>  The default value of the OC-Report-Type AVP is 0 (i.e. the host  
>>> report).
>>>  
>>> This AVP is always required, right? Then, I think it is more precise that  we define this AVP as mandatory.
>>>  
>>> --
>>> -----------------------------------------------+---------------------
>>> -----------------------------------------------+---
>>> -----------------------------------------------+---
>>> Reporter:  [e-mail]  |      Owner:  MCruz
>>>   Type:  defect                             |  Bartolomé
>>> Priority:  major                              |     Status:  new
>>> Component:  draft-docdt-dime-ovli              |  Milestone:
>>> Severity:  Active WG Document                 |    Version:  1.0
>>>                                             |   Keywords:
>>> -----------------------------------------------+---------------------
>>> -----------------------------------------------+---
>>> -----------------------------------------------+---
>>>  
>>> Ticket URL: <http://trac.tools.ietf.org/wg/dime/trac/ticket/54>
>>> dime <http://tools.ietf.org/wg/dime/>
>>>  
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