[c-nsp] Lightstream Alternative

[Mateusz Błaszczyk]

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2008/11/4 Sebastian Ganschow :
> Mateusz Błaszczyk schrieb:
>>> If the SPA card for the 7600 could do the switching, the cat 6500 should
>>> also be able to do it. But even for the 7600 I can't find any
>>> information on atm switching.
>>
>>
http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/fslocal.html#wp1098419
>>
>
> Okay, this should work for PVCs. But this wouldn't work for soft-vc's.

for soft-vcs you can utilize mpls xconnects (AToM  atm to atm), Also
supported by aforementioned.


> We're using soft-vc's for redundancy reasons in some scenarios. So our
> network will self repair the failure of one router, atm-switch or interlink
> between to pops.
>
> As I see, there's probably no way to replace the lightstream with a device,
> which could be atm-switch as well as router. So we need to rely on a
> atm-switch at the pop.

I think at this stage you can do
1) for pvcs on same box - the "connect" between atm pvcs
2) for pvcs (soft-vcs) between 2 boxes - the "xconnect" between atm
pvcs on different boxes.

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