[c-nsp] L2TPv3 vs. VPLS

[Tantsura, Jeff]

Vincent,

If you don't need P2MP and don't have MPLS backbone in place don't even
consider VPLS, there are still some major limitations.
I think either L2TPv3 on layer 3 or QinQ on layer 2 would be suitable for
you. In the past I used L2TPv3 between 2x10720 to transport 4Gb L2 traffic
between 2 IX's, worked just fine, the only issue we've had was MTU when main
STM16 ring went down and L2TP tunnel was rerouted via Ethernet links.

Hope this helps, 

--
Jeff Tantsura  CCIE# 11416
Senior IP Network Engineer


-----Original Message-----
From: Vincent De Keyzer [mailto:vincent at dekeyzer.net] 
Sent: 16 September 2005 09:14
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] L2TPv3 vs. VPLS

Ok,

thanks to Jeff I now have a clearer view of what is VPLS.

I see that VPLS has one advantage over L2TP: it's a point-to-multipoint
technology (which we might not really need). But it also has one drawback:
it requires building a MPLS backbone (which we don't have at the moment).

Is this a correct analysis?

Is anybody on this list using one of these two technologies to offer
Ethernet services over an IP backbone?

Vincent


> -----Original Message-----
> From: Tantsura, Jeff [mailto:jtantsura at ugceurope.com]
> Sent: jeudi 15 septembre 2005 14:18
> To: 'Vincent De Keyzer'; cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] AToM/L2TPv3/VPLS/etc.
> 
> Vincent at all,
> 
> Find attached VPLS presentation from MPLS World 2004 which explains quit
> good what VPLS is and how it's different from other technologies.
> 
> --
> Jeff Tantsura  CCIE# 11416
> Senior IP Network Engineer
> 
> 
> -----Original Message-----
> From: Vincent De Keyzer [mailto:vincent at dekeyzer.net]
> Sent: 15 September 2005 13:12
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] AToM/L2TPv3/VPLS/etc.
> 
> Hello list,
> 
> 
> 
> I work for a company offering Internet access and LAN-to-LAN services over
> its own wireless network. Currently, we have an IP network over ATM, but
> would like to get rid of ATM. Luckily, there is some money available
> today.
> 
> 
> 
> All our routers are Cisco (7206VXRs installed, 7600s budgeted). We want to
> offer Internet access with speeds from 1 to 34 Mbps (for a total of about
> 300 Mbps of transit capacity), and Ethernet services with speeds of 1 to
> 100
> Mbps.
> 
> 
> 
> I have heard about AToM, L2TPv3, VPLS; but have very little understanding
> of
> those. I am wondering where to start to select the technology. So I would
> be
> very glad to read any ideas, pointers to good (high-level) documents, or
> real-life experiences that could help me with this (challenging to me)
> project.
> 
> 
> 
> Thanks in advance,
> 
> 
> 
> Vincent
> 
> 
> 
> 
> 
> 
> 
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