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Re: iMPLS benefit

  • From: Yakov Rekhter
  • Date: Fri Mar 05 13:07:09 2004

Dave,

> Hey Suki,
> 
> On Thu, Mar 04, 2004 at 02:14:20PM -0800, sonet twister wrote:
> >> Hello, 
> >>  
> >> i heard there is a way to run MPLS for layer3 VPN(2547)
> >> service without needing to run label switching in the
> >> core(LDP/TDP/RSVP) but straight IP (aka iMPLS). 
> 
> 	ftp://ftp.ietf.org/internet-drafts/draft-townsley-l2tpv3-mpls-01.txt
> 
> 	See also Mark's talk from the last NANOG
> 
> 	http://nanog.org/mtg-0402/townsley.html

That requires to run L2TP. An alternative is to run GRE (or even plain
IP). The latter (GRE) is implemented by quite a few vendors (and is
known to be interoperable among multiple vendors).

The spec is draft-ietf-l3vpn-gre-ip-2547-01.txt.

Yakov.




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