An Efficient Fault Tolerance Model for Path Recovery in MPLS Networks

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Provided by: The International Journal of Innovative Research in Computer and Communication Engineering
Topic: Networking
Format: PDF
Increasing demand of complex and data demanding Internet services has negatively affected the quality of service of data transfers in the network. Multi-Protocol Label Switching (MPLS) is an architecture developed to combine the dynamic nature of IP routing protocols and the efficiency of label switching. A significant issue in now-a-days networks is the support of real-time services or multimedia applications even in the presence of node or link failures. MPLS employs basic techniques for network protection from such failures: protection switching where a pre-computed alternative path (usually disjoint from the working path) is set up for every flow, and rerouting where an alternative path is dynamically recomputed after a fault is detected.
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