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A New Bandwidth Guaranteed Routing Approach for Online Calculation of LSPs for MPLS Traffic Engineering

IFIP Lecture Notes in Computer Science (LNCS)
Publication Date
  • Computer Science


This paper presents a fast on-line routing algorithm for dynamic routing of label switched paths (LSPs) with bandwidth guarantees in MPLS networks, which handles requests that arrive one at a time without exploiting a priori knowledge of the traffic characteristics. Trying to avoid exacting calculations for each on-demand LSP request (e.g., maximum flow computation), we introduce a new link weight function for path selection. The link weights are calculated as a function of residual network and link capacity, hence we call the approach (RNLC) routing algorithm.Full Text at Springer, may require registration or fee

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