mpls-network design
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Multiprotocol Label Switching (MPLS) is a
differentiated and scalable framework introduced by
IETF, which uses simple configuration & management to
deliver end-to-end IP services. It enables the network
devices to specify path based on Quality of Service (QoS)
and bandwidth requested for those applications by
changing the hop-by-hop paradigm. Fault tolerance is the
ability of the system to respond gracefully to an
unexpected hardware or software failure. By using fault
recovery techniques we can make MPLS network fault
tolerant. To simulate fault recovery techniques in MPLS
network, an open source simulator Network Simulator
(NS) often called as NS2 is used. We used NS2 for
implementing multiple fault tolerance using protection
switching domain in MPLS network. We developed a new
fault recovery protocol based on protection switching
domain and compared it with the NS2 rer