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Article | REF: H5610 V1

VPN technologies

Authors: Mohammed ACHEMLAL, Michel DUDET

Publication date: October 10, 2004

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4. VPN MPLS

MPLS VPNs (MultiProtocol Label Switching) are exclusively network-based, and can only be operated by backbone operators.

MPLS has the special feature of making the flow of datagrams watertight. A configuration error at the exit gateway of a site belonging to a VPN does not result in the transit of VPN information via another VPN.

MPLS network architecture
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