Telecom ABC - M
Multi Protocol Label Switching (MPLS) is a protocol that makes it possible to provide virtual circuits through an IP network. This means that all the traffic from a specific source to its destination will all follow the same route. To do so, each packet gets a virtual circuit number, called a label. The label determines the packets queuing and forwarding through the network. A virtual circuit is called a Label Switched Path (LSP). A LSP has to be set up before use.
GMPLS and MPλS GMPLS makes it possible to implement intelligent services such as ASON (Automatically Switched Optical Networks) or ASTN (Automatically Switched Transport Networks).
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