Re: [Mpls-interop] PST.ppt

> I don't think that it should any different.

Good

> So 2nd PE from the left pops the tunnel label and swaps the inner
> label and then pushes the new tunnel label. Is that what you say?

Yup. Normal LSR behavior.

> Same for the 3rd PE?

Why would this be any different from normal LSR behavior?   :-)

A

> Adrian Farrel wrote:
>> Loa,
>>
>> Why would this be any different from normal LSR behavior?
>>
>> P1 sees only the PST labels
>> PEs pop the PST label and see the e2e label and process it as normal.
>>
>> Cheers,
>> Adrian
>> ----- Original Message ----- From: "Loa Andersson" <loa@pi.nu>
>> To: "Sprecher, Nurit (NSN - IL/Hod HaSharon)" <nurit.sprecher@nsn.com>
>> Cc: "Adrian Farrel" <adrian@olddog.co.uk>uk>; <hhelvoort@chello.nl>nl>;
>> "Weingarten, Yaacov (NSN - IL/Hod HaSharon)"
>> <yaacov.weingarten@nsn.com>om>; <mpls-interop@ietf.org>
>> Sent: Wednesday, December 03, 2008 12:41 PM
>> Subject: Re: PST.ppt
>>
>>
>>> 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
>>
>>
>
>
> -- 
>
>
> 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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