Abstract
Multiprotocol Label Switching (MPLS) fasten the speed of packet forwarding by forwarding the packets based on labels and reduces the use of routing table look up from all routers to label edge routers(LER) , where as the label switch routers (LSRs) uses Label Distribution Protocol (LDP) or RSVP (Resource reservation Protocol) for label allocation and Label table for packet forwarding . Dynamic protocol is implemented which carries a Updates packets for the details of Label Switch Paths, along with this feedback mechanism is also introduced which find the shortest path among MPLS network and also feedback is provided which also help to overcome congestion, this feedback mechanism is on a hop by hop basis rather than end to end thus providing a more reliable and much faster and congestion free path for the packets .
Highlights
Multiprotocol Label switching (MPLS) is an IETF standard that merges layer 2 and layer 3 protocol that uses label switching in the core network, reduces the workout of looking the routing table overhead
In Multiprotocol Label Switching (MPLS) a table is created in the control plane for forwarding of packets, there are two tables in the control plane that are routing table known as routing information base(RIB) and label table called Label Information Table (LIB)
As the packet enters in the MPLS network, the ingress edge router based on the path selected by LU attach a label selected by Label Distribution Protocol (LDP) protocol
Summary
Multiprotocol Label switching (MPLS) is an IETF standard that merges layer 2 and layer 3 protocol that uses label switching in the core network, reduces the workout of looking the routing table overhead. MPLS is a traffic switching technology that combines the traffic engineering capability of Asynchronous Transfer Mode (ATM) with flexibility and scalability of Internet Protocol (IP) This enables fast packet transfer over the network. In Multiprotocol Label Switching (MPLS) a table is created in the control plane for forwarding of packets , there are two tables in the control plane that are routing table known as routing information base(RIB) and label table called Label Information Table (LIB). These information is used to find the path for shortest route in the MPLS network.
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