[nsp] Enquiry on MPLS across Public Network

[John Pang]

Hi all,

I am an ultra newbie on MPLS and currently reading up
some Cisco docs on it.

I amd wondering if it is possible to do an MPLS VPN or
MPLS Traffic Engineering Tunnel across a Public
Network (such as the Internet) to join one or more
remote sites together instead of other technologies
such as GRE?

>From the docs which I read, it seems that for any form
of MPLS to work, the provider (P) routers need to be
configured to support MPLS but in the case of the
Internet being the public network, it may not
necessarily have MPLS enabled on the various ISPs
routers.

Have anyone tried this before and or can anyone help
shed light on this?

Many thanks for your time and best regards,

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