What Is VPLS?
VPLS is a class of VPN or Virtual Private Network that connects multiple sites to form a single bridged domain. It is implemented using a MPLS or Multi-Protocol Label Switching Network. That makes it protocol-transparent so that all services, regardless of which location the are physically located at, appear to be on the larger LAN that serves all locations.
What Does Fully Meshed Mean?
MPLS networks that are described as fully meshed offer any-to-any connections within the cloud network. You specify the desired connectivity between locations to the network service provider.
Transparent LAN Service
VPLS is sometimes called Transparent LAN service. That’s because WAN communications moves from level 3 to level 2. Your connection to the network is via a managed edge switch that is provided by the network operator. The inherent broadcast nature of Ethernet is preserved, creating a “plug and play” environment as new services are added to the network and discovered by other members connected to the VPLS.
Can MPLS Offer VPN Services?
MPLS networks are inherently virtually private because they are a privately operated network that can only be accessed by network customers. Security is enhanced by proprietary tag switching routers that don't use standard IP routing. Encryption can be added to further improve data security.
MPLS Network Speeds
MPLS networks can run at any network speed and are being adopted by major carriers as the multipoint to multipoint technology of choice. For this reason, MPLS is fast replacing Frame Relay.