Re: [PWE3] S-PE in stitching architecture document

[Luca Martini <[e-mail]>]

ok how about S-PR and U-PR ?

Or are these not Routers ?

Switching point Provider LSR and Ultimate provider LSR ?

Luca



[e-mail] wrote:
> Loa and all,
> 
> Thanks for your comments. If U-PE clashes with another definition
> elsewhere, then we will certainly have to revisit this name.
> 
> I agree that we have to be careful where we do PW switching. An objective
> is to constrain the scaling and complexity issues, and the points where
> policy may be applied to PWs, to specific elements in the network. Hence
> the description of the network architecture in terms of "PWE3 domains."
> 
> Regards,
> 
> Matthew
> 
> 
> 
>                                                                                                                                        
>                       Loa Andersson                                                                                                    
>                       <[e-mail]>              To:      George Swallow <[e-mail]>                                             
>                       Sent by:                 cc:      [e-mail], [e-mail], Matthew BOCCI/GB/ALCATEL@ALCATEL            
>                       pwe3-bounces@iet         Subject: Re: [PWE3] S-PE in stitching architecture document                             
>                       f.org                                                                                                            
>                                                                                                                                        
>                                                                                                                                        
>                       28/07/2005 15:52                                                                                                 
>                                                                                                                                        
> 
> 
> 
> 
> Matthew, Stewart,
> 
> while we are at it picking on PE naming, please note that U-PE is
> "taken", in the draft-ietf-l2vpn-l2-framework-05.txt and also
> documented in rfc4026 it stands for User-facing PE. The concept
> is used for a situation where the PE functionality are distribute
> over more than one router, a user facing PE and a network facing
> PE. I think that we could avoid future confusion by changing
> name.
> 
> btw, I think we should very carefully discuss where we need and
> allow pw stiching.
> 
> /Loa
> 
> George Swallow wrote:
>> Mathew, Stewart -
>>
>> I think both the name and definition of the S-PE should change.  While
>> canonical example and most pressing application for stitching is at a
>> provider's edge, I don't see any reason to constrain the stitching point
>> to a PE.  One could imagine applications that might find stitching
>> useful at other points.
>>
>> ...George
>>
>> ========================================================================
>> George Swallow             Cisco Systems                  [phone]
>>                            1414 Massachusetts Avenue
>>                            Boxborough, MA 01719
>>
>>
>>
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> 
> 
> --
> Loa Andersson
> 
> Principal Networking Architect
> Acreo AB                           phone:  [phone]
> Isafjordsgatan 22                  mobile: [phone]
> Kista, Sweden                      email:  [e-mail]
>                                             [e-mail]
> 
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