A SIGNALING-DOUBLE-AGGREGATION-BASED RESOURCE-EFFICIENT RESTORATION SCHEME IN GMPLS-CONTROLLED WSON

摘要

According to the analysis on current restoration mechanisms, a signaling-double-aggregation-based resource-efficient restoration (SDABRER) scheme is presented in this paper which realizes low restoration latency, low protocol overhead and high network resource efficiency concurrently by aggregating the generalized multi-protocol label switching (GMPLS) signaling operations twice according to the distribution characteristics of the services. Experimental results show that the SDABRER performs better than the local restoration and preplanned restoration schemes in large-scale wavelength switched optical network (WSON) concerning the above three restoration performance metrics.