Re: RE: association object

[Huub van Helvoort <[e-mail]>]

Dear Lucy,

You wrote:

> Thank you for the explanation. Thus, this association is only significant at
> the destination, is that right?

Yes, intermediate nodes do not have to be aware of the association between
the LSPs in a VCG.

>  Is VCG group value generated by the source?

I am not sure what you mean by value.
Is it the identifier for a specific VCG, or
is it the size (number of LSPs) of the VCG?

Cheers, Huub.
 
>   _____  
> 
> From: [e-mail] [mailto:[e-mail]] On Behalf
> Of Ong, Lyndon
> Sent: Tuesday, July 18, 2006 12:26 PM
> To: Lucy Yong; [e-mail]; [e-mail]
> Subject: RE: association object
> 
> Hi Lucy,
> 
> The association object is used to associate components of a VCG that are
> already diversely routed in the draft, I would think diverse routing is more
> a 
> feature of path computation than the signaling to set up the component.
> 
> What the association object does is allow you to tell what LSPs arriving at
> the destination are part of the same VCG.
> 
> Cheers,
> 
> Lyndon
> 
>   _____  
> 
> From: [e-mail] [mailto:[e-mail]] On Behalf
> Of Lucy Yong
> Sent: Tuesday, July 18, 2006 7:16 AM
> To: [e-mail]; [e-mail]
> Subject: association object
> 
> Richard,
> 
> It was nice to meet you in IETF meeting. I have a question about association
> object used to associate the diversely routed LSPs. 
> 
> If a LSP is established first, say LSP1, then another LSP (say LSP2) needs
> to be established and be diversely routed from LSP1, how association object
> is applied in this case? It is easy to use in the latter LSP request,
> however, how does LSP1 know that it needs to diverse from LSP2.
> 
> What is the relationship between this association object and diversity
> object in GMPLS.
> 
> Best Regards,
> 
> Lucy
>