PROPOSED METHODOLOGY :-
In this paper, we propose a novel scheme called hybrid link protection (HLP),
which meets the network availability requirement without inducing significant
overhead by extending and combining the two kinds of proactive schemes
above. HLP consists of two stages. Stage one provides MNP-e, where a highly
efficient incremental shortest path first (i-SPF) based algorithm is proposed to
help a node find all the LFC next-hops for each destination, both locally and
independently. Based on the existing work on this research area, we for the first
time propose an algorithm whose complexity is less than that of Dijkstra
algorithm and without degrading the network availability of LFC.
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