What is MPLS?
Multi-Protocol Label Switching (MPLS) defines a mechanism for packet forwarding in network routers. It was
originally developed to provide faster packet forwarding than traditional IP routing, although improvements in
router hardware have reduced the importance of speed in packet fowarding. However, the flexibility of MPLS has
led to it becoming the default way for modern networks to achieve Quality of Service (QoS), next generation VPN
services, and optical signaling.
Traditional IP networks are connectionless: when a packet is received, the router determines the next hop using
the destination IP address on the packet alongside information from its own forwarding table. The router's
forwarding tables contain information on the network topology. They use an IP routing protocol, such as OSPF,
IS-IS, BGP, RIP or static configuration, to keep their information synchronized with changes in the
network.
MPLS also uses IP addresses, either v4 or v6, to identify end points and intermediate switches and routers.
This makes MPLS networks IP-compatible and easily integrated with traditional IP networks. However, unlike
traditional IP, MPLS flows are connection-oriented and packets are routed along pre-configured Label Switched
Paths (LSPs).
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Pricing updated Tuesday, February 9, 2010
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Once you make your decision, your MPLS network specialist will assist you with the order process and make sure the installation of your new network goes smoothly. This is all we do - so rest assured knowing that you have an industry expert on your side when dealing with the carrier of your choice.
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