A Hybrid Method for Signalling Transport in GMPLS Control Plane

Mirjana D. Stojanovic, Suzana D. Miladic, Goran Z. Markovic

Abstract


This paper addresses the issue of signalling transport in control plane of the Generalized Multi-Protocol Label Switching (GMPLS) network. The two basic methods for establishing control channels in optical networks are the in-fibre-out-of-band and the out-of-fibre. Starting from the analysis of benefits and drawbacks of those methods, we propose and investigate a novel, flexible method for signalling transport, which is based on the analysis of the given network topology and combines the basic methods to achieve a trade-off between requirements for low latency and high reliability. Performance analysis has shown that, with hybrid method, data path setup times are close to the ones achieved with the in-fibre-out-of-band method, while preserving satisfying reliability and flexibility to integrate into multi-domain networks.

DOI: http://dx.doi.org/10.5755/j01.eie.22.3.15310


Keywords


Control plane; optical network; signalling; switching

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Print ISSN: 1392-1215
Online ISSN: 2029-5731