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Re: [Dime] Conclusion for Sequence Numbers - was Re: OVLI: comments to 4.3

Jouni Korhonen <jouni.nospam@gmail.com> Wed, 11 December 2013 21:39 UTC

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From: Jouni Korhonen <jouni.nospam@gmail.com>
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Date: Wed, 11 Dec 2013 23:38:54 +0200
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To: Maria Cruz Bartolome <maria.cruz.bartolome@ericsson.com>
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Cc: "dime@ietf.org list" <dime@ietf.org>, Ben Campbell <ben@nostrum.com>
Subject: Re: [Dime] Conclusion for Sequence Numbers - was Re: OVLI: comments to 4.3
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Hi,

On Dec 11, 2013, at 7:22 PM, Maria Cruz Bartolome <maria.cruz.bartolome@ericsson.com> wrote:

> Dear all,
> 
>> [Steve] Ulrich does bring up an interesting use case, where a client is receiving realm reports for the same realm from different agents.  We need to define the clients behavior in this case.  
> 
> [Jouni] Could we simply say that in this case the agents (or who ever inserts the realm report) MUST share the same view of the realm overload condition? Obviously how it is achieved would be implementation specific. I recall we have surfaced this topic earlier..
> 
> [MCruz] But... isn't simpler to use time instead of sequence? It would solve this case as long as any number of agents serving same realm are time synchronized.  

Well.. time is what I have been preferring. Now Steve is also OK with that
as long as we do not name is as a "timestamp".

Just to note that clocks typically get synchronized using NTP. That would
equal to central sequence number source with some local skew tolerance ;-)

- Jouni

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