[c-nsp] Carrier Supporting Carrier

[McCallum, Robert]

absolutely Harold.  Forgot about that one - I am concentrating on giving an
ISP the ability to do vpns also - hence the ldp requirement.

Robert McCallum 
CCIE #8757 R&S
01415663448
07818002241 

> -----Original Message-----
> From: Harold Ritter [mailto:hritter at cisco.com] 
> Sent: 23 August 2004 16:03
> To: McCallum, Robert
> Cc: 'Annu Roopa'; cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] Carrier Supporting Carrier
> 
> 
> Robert,
> 
> You can also use ipv4 + label to implement CsC. Please see 
> the following 
> document:
> 
> http://forums.cisco.com/eforum/servlet/NetProf?page=netprof&ty
> pe=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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>now.
>
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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