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Re: [802.21] Ad-hoc Teleconferencec on Communication Model - October 18, 2005



Srinivas.Sreemanthula@nokia.com wrote:

>     Subir> Why do we want to restrict this?  Our position should be we
>don't care if two IS providers 
>                 want to be in the at same place and  provide the same
>info. This will possibly depend upon 
>                 their business model, pricing  etc. It is  upto the UE
>and the network operator to choose 
>                 the right one and most likely it will be governed  by
>the policy . 
>Subir,
>I agree with you that you can have multiple IS servers, there are
>abosuletely no restrictions. You stated it youself, 'choose the right
>one' for  the UE to use, either by UE or the network. The key is 'one',
>for the type of service, which could be whole or partial.  If this is
>restritive, we all should understand the usage scenarios which cannot
>happen due to this.
>
    SD>  I may have missed something. Are you saying that  per type of 
service, UE should contact
              only one IS provider at a given time?

> 
>Regards,
>Srini
>
>
>________________________________
>
>	From: ext Subir Das [mailto:subir@research.telcordia.com] 
>	Sent: Tuesday, October 18, 2005 9:48 AM
>	To: Sreemanthula Srinivas (Nokia-NRC/Dallas)
>	Cc: STDS-802-21@listserv.ieee.org
>	Subject: Re: [802.21] Ad-hoc Teleconferencec on Communication
>Model - October 18, 2005
>	
>	
>	Srini,
>	One small comment.
>	
>	Thanks,
>	-Subir 
>	
>	
>
>			
>			    
>
>				-----Original Message-----
>				From: Srinivas.Sreemanthula@nokia.com
>				[mailto:Srinivas.Sreemanthula@nokia.com]
>				Sent: Tuesday, October 18, 2005 6:45 AM
>				To: Gupta, Vivek G;
>STDS-802-21@listserv.ieee.org
>				Cc: stefano.faccin@nokia.com
>				Subject: RE: [802.21] Ad-hoc
>Teleconferencec on 
>				      
>
>			Communication Model - 
>			    
>
>				October 18, 2005
>				
>				
>				
>				      
>
>				If a UE is connected to a single L2 link
>can we have a MIH 
>				        
>
>			PoS in PoA 
>			    
>
>				and possibly another L3 MIH PoS
>somewhere else in the network?
>				If a UE is connected to multiple L2
>links how is a MIH PoS at
>				L3 associated with a network w.r.t above
>restriction?
>				        
>
>				My thought was that the UE may not
>receive CS from multiple MIH
>				      
>
>			entities
>			    
>
>				and UE cannot decide on the info
>authenticity if there were multiple 
>				sources of IS. I agree with you that
>there is a possibiliy 
>				      
>
>			that these 
>			    
>
>				MIH services can be shared between L3
>and L2 MIH entities. 
>				      
>
>			But it must 
>			    
>
>				be in a way that they are not
>conflicting in the offered services. I 
>				think we should capture this. I was
>thinking about stating 
>				      
>
>			generically 
>			    
>
>				that multiple MIH PoS can provide
>partial MIH services (IS, 
>				      
>
>			ES and CS) 
>			    
>
>				but the provided (partial) services in
>such a way they are not 
>				conflicting with other services offered
>by other MIH PoS.  How does
>				      
>
>			this
>			    
>
>				sound?
>				      
>
>			[Vivek G Gupta]
>			...not very convincing.
>			It should be left to UE and MIH enabled network
>entities (MIH 
>			PoS) to discover each other, decide and
>negotiate an 
>			association. Given that there can well be
>multiple instances 
>			of such associations and it would be up to the
>UE to select 
>			and sign up for appropriate services for each
>association and 
>			also possibly deal with multiple instances of
>such 
>			associations and individual services.
>			Maybe this needs to be better explained in doc.
>I don't have 
>			any good practical scenarios though.
>			
>			    
>
>		Srini)) I need to understand you better. My question is
>- why would a UE
>		have two IS providers (MIH PoS) in the same network
>providing same
>		information?  Why would the UE receive the same CS from
>two different
>		MIH PoS? If so, which one is authentic? 
>
>	     Subir> Why do we want to restrict this?  Our position
>should be we don't care if two IS providers 
>	                 want to be in the at same place and  provide
>the same info. This will possibly depend upon 
>	                 their business model, pricing  etc. It is  upto
>the UE and the network operator to choose 
>	                 the right one and most likely it will be
>governed  by the policy . 
>	
>	
>	
>  
>