[c-nsp] Carrier Supporting Carrier

[Harold Ritter]

Robert,

You can also use ipv4 + label to implement CsC. Please see the following 
document:

http://forums.cisco.com/eforum/servlet/NetProf?page=netprof&type=Subscriptions&loc=.1dd639e5/1

At 03:51 PM 8/23/2004 +0100, McCallum, Robert wrote:
>With CSC you run LDP between the two devices.  With Inter-AS vpns you run
>EBGP (i think).  Multicasting over both scenrios is completely different as
>well.
>
>
>
>Robert McCallum
>CCIE #8757 R&S
>01415663448
>07818002241
>
>-----Original Message-----
>From: Annu Roopa [mailto:annu_roopa at yahoo.com]
>Sent: 23 August 2004 15:47
>To: McCallum, Robert; cisco-nsp at puck.nether.net
>Subject: RE: [c-nsp] Carrier Supporting Carrier
>
>
>Yes,Robert but would that not also be CsC because when the ISP in US
>provides
>only a backbone (no MPLS service ) to the Tier 3 ISP in Asia Pac who is
>connected
>to another ISP with another AS # in US (these two have IP and MPLS VPNs)
>over the
>bigger ISP.
>
>This is how i have understood it because the Deisgn option 2 and 3 of Inter
>AS VPNs
>per cisco are very close to the CsC design config. If i have wrongly
>undertsood can u
>please add how would one see CsC.
>
>Thanks
>
>Annu.
>
>
>
>
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Harold Ritter, CCIE 4168 (R&S / SP)
Advanced Services Americas International
Cisco Systems
1501 McGill College, 6ième étage
Montréal, Québec H3A 3M8 Canada
Téléphone: 514 847-6856