Re: [Mpls-interop] PST.ppt

Loa Andersson <loa@pi.nu> Wed, 03 December 2008 12:41 UTC

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Date: Wed, 03 Dec 2008 13:41:20 +0100
From: Loa Andersson <loa@pi.nu>
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Cc: mpls-interop@ietf.org, "Weingarten, Yaacov \(NSN - IL/Hod HaSharon\)" <yaacov.weingarten@nsn.com>
Subject: Re: [Mpls-interop] PST.ppt
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Nurit,

ok fine, however ...

In your figure will the  2nd and 3rd PEs label swap the label on
E2E tunnels LSP? Or is the same label showing up at the  4th PE?

/Loa

Sprecher, Nurit (NSN - IL/Hod HaSharon) wrote:
> Oops......my mistake.......here is the updated figure......
> 
> The intention was to refer to a SS-PW. Accidentally I referred to T-PE
> and S-PE. 
> 
> We can provide also another figure for the MS-PW case.
> 
> Note also that the figure is adapted with the new term - PST
> 
>  
> 
> -----Original Message-----
> From: ext Loa Andersson [mailto:loa@pi.nu] 
> Sent: Wednesday, December 03, 2008 14:21
> To: Sprecher, Nurit (NSN - IL/Hod HaSharon)
> Cc: Adrian Farrel; hhelvoort@chello.nl; Weingarten, Yaacov (NSN - IL/Hod
> HaSharon); mpls-interop@ietf.org
> Subject: PST question: Was (Re: [Mpls-interop] Who will be in Geneva?)
> 
>  
> 
> Renaming the thread - a little late but anyway ...
> 
>  
> 
> at risk asking the obvious, since I'm still reading through the
> 
> thread?
> 
>  
> 
>  
> 
>  
> 
> Nurit,
> 
>  
> 
> In your figure will the S-PEs label swap the label on
> 
> E2E tunnels LSP? Or is the same label showing up at the
> 
> second T-PE?
> 
>  
> 
> /Loa
> 
>  
> 
> Sprecher, Nurit (NSN - IL/Hod HaSharon) wrote:
> 
>> Hi,
> 
>> I agree that we need to find a better name......
> 
>> What about the figure in the second slide of the attached?
> 
>> If multiple LSPs transmit via the same physical path in the first
> domain
> 
>> and have the same constraints, why cannot we aggregate them and run
> OAM
> 
>> per the aggregated in the first domain?
> 
>> Best regards,
> 
>> Nurit
> 
> 
>> -----Original Message-----
> 
>> From: ext Adrian Farrel [mailto:adrian@olddog.co.uk] 
> 
>> Sent: Tuesday, December 02, 2008 11:20
> 
>> To: hhelvoort@chello.nl; Sprecher, Nurit (NSN - IL/Hod HaSharon)
> 
>> Cc: ext Ben Niven-Jenkins; mpls-interop@ietf.org
> 
>> Subject: Re: [Mpls-interop] Who will be in Geneva?
> 
> 
>> Hi Huub.
> 
> 
>>> The TC aggregate is not a TC anymore, it should IMHO be referred
> 
>>> to as a tunnel.
> 
> 
>> Yes!
> 
> 
>> Which is not to say that it is not a useful construct for reducing OAM
> 
> 
>> overhead.
> 
> 
>> I think (OK, I know) that I suggested we avoid using the TC language
> as
> 
>> I 
> 
>> thought we would find it unhelpful. Perhaps when we meet to go through
> 
>> this, 
> 
>> we can draw pictures and work out the language later?
> 
> 
>> A 
> 
> 
> 
> 
> 
> ------------------------------------------------------------------------
> 
> 
>> _______________________________________________
> 
>> Mpls-interop mailing list
> 
>> Mpls-interop@ietf.org
> 
>> https://www.ietf.org/mailman/listinfo/mpls-interop
> 
>  
> 
>  
> 


-- 


Loa Andersson                         email: loa.andersson@redback.com
Sr Strategy and Standards Manager            loa@pi.nu
Redback Networks                      phone: +46 8 632 77 14
An Ericsson Company
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