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Re: [Dime] OVLI: comments to 4.5

Jouni Korhonen <jouni.nospam@gmail.com> Mon, 09 December 2013 08:56 UTC

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From: Jouni Korhonen <jouni.nospam@gmail.com>
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Date: Mon, 09 Dec 2013 10:56:23 +0200
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To: "Wiehe, Ulrich (NSN - DE/Munich)" <ulrich.wiehe@nsn.com>
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Subject: Re: [Dime] OVLI: comments to 4.5
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Ulrich,


On Dec 6, 2013, at 4:39 PM, "Wiehe, Ulrich (NSN - DE/Munich)" <ulrich.wiehe@nsn.com> wrote:

> Dear all,
>  
> here is another comment to 4.5:
>  
> 3. It may be worth to clarify the meaning of a validity duration of 0 seconds. In my understanding it does not mean that the encapsulating OC-OLR is invalid. It is valid (and therefore replaces any previous OLR with the same report-type), but it immediately expires and hence is a way to signal “end of overload”.

Validity duration of 0 causes an immediate timeout of OLR state
with an endpoint. I agree this should be clarified (it is actually
discussed in Section 5.5.2. but should be mentioned here as well).

- Jouni


>  
>  
> Best regards
> Ulrich
> _____________________________________________
> From: Wiehe, Ulrich (NSN - DE/Munich)
> Sent: Thursday, December 05, 2013 5:05 PM
> To: 'dime@ietf.org'
> Subject: OVLI: comments to 4.5
>  
>  
> Dear all,
>  
> here are comments to clause 4.5:
>  
> 1. (linked to a previous comment to 4.3) The first sentence should be modified to read
>  
>    The OC-Validity-Duration AVP (AVP code TBD4) is type of Unsigned32
>    and describes the number of seconds the OC-OLR AVP and its content is
>    valid since the creation of the OC-OLR AVP (as indicated by the
>    OC-TimeStamp AVP). 
>  
> 2. A default value of 5 seconds does not make much sense when the Reduction-Percentage is absent or takes the value 0. Proposal is to modify text as follows:
>  
>    The default value for the OC-Validity-Duration AVP value is 5 (i.e. 5 seconds).  When the OC-Validity-
>    Duration AVP is not present in the OC-OLR AVP, the default value applies, unless the Reduction-Percentage AVP
>    is absent or takes the value 0, in which cases the validity is unlimited.
>  
>  
> Best regards
> Ulrich
>  
>  
>  
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