[Nsi-wg] service instance and temporal aspects of services

[Inder Monga]

So the hesitation was to make maintaining NTP like time in the NSA's as mandatory. Each service, like a connection service, might have a requirement to implement NTP to provide a reservation svc.

Iner

On Jun 20, 2010, at 2:00 PM, Tomohiro Kudoh wrote:

> It is a scheduling service of a network which includes multiple edge
> points and switching function, (that is, provide a virtual network).
> 
> May be such services can be first classified into reservation (or
> scheduling) service class, and the connection service is a sub-class of
> the reservation service class. And the temporal aspects is a matter of
> the reservation service class.
> 
> Tomohiro
> 
> 
> On Sun, 20 Jun 2010 13:55:48 -0700
> Inder Monga <imonga at es.net> wrote:
> 
>> Could you describe the point-to-multipoint use-case a bit specifically where it relates to temporal aspect? Is it joins and removes?
>> 
>> Inder
>> 
>> On Jun 20, 2010, at 1:51 PM, Tomohiro Kudoh wrote:
>> 
>>> Hi Inder,
>>> 
>>> But in the future, we may have services like point-to-multipoint (i.e.
>>> virtual network) service, which will have temporal aspects too. 
>>> 
>>> So, I believe "temporal aspects" is generic to (not all but) multiple
>>> services, and putting it to the generic architecture part is better for
>>> future extension of NSI.
>>> 
>>> Tomohiro
>>> 
>>> On Sun, 20 Jun 2010 13:41:48 -0700
>>> Inder Monga <imonga at es.net> wrote:
>>> 
>>>> Dear Tomohiro,
>>>> 
>>>> We decided to take out the temporal aspects from the generic architecture and move it into the Connection Service discussion. The reason being that the NSI protocol message exchanges did not require a time synchronization. They mostly depend on state machines and relative timing.
>>>> 
>>>> Inder
>>>> 
>>>> On Jun 20, 2010, at 1:32 PM, Tomohiro Kudoh wrote:
>>>> 
>>>>> Hi all,
>>>>> 
>>>>> I could not hear the later part of the previous session clearly, so
>>>>> maybe I miss the point, but:
>>>>> 
>>>>> - if request path is hierarchical, service instances also have
>>>>> hierarchical relationship. That is, a service instance is created for
>>>>> each provider along the path.
>>>>> 
>>>>> - temporal aspects may exist not only for the connection service but
>>>>> also for other (to be defined) services.
>>>>> 
>>>>> Tomohiro
>>>>> 
>>>>> _______________________________________________
>>>>> nsi-wg mailing list
>>>>> nsi-wg at ogf.org
>>>>> http://www.ogf.org/mailman/listinfo/nsi-wg
>>>> 
>>>> ---
>>>> Inder Monga				http://100gbs.lbl.gov
>>>> imonga at es.net			http://www.es.net
>>>> (510) 499 8065 (c)		
>>>> (510) 486 6531 (o)		
>>>> 
>>> 
>>> 
>> 
>> ---
>> Inder Monga				http://100gbs.lbl.gov
>> imonga at es.net			http://www.es.net
>> (510) 499 8065 (c)		
>> (510) 486 6531 (o)		
>> 
> 
> 

---
Inder Monga				http://100gbs.lbl.gov
imonga at es.net			http://www.es.net
(510) 499 8065 (c)		
(510) 486 6531 (o)		

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