Analysis of service operations cost for TDM and packet tandem networks

Operations cost models comparing trunk operations cost of present method of operations (PMO) tandem networks and future method of operations (FMO) packet-based networks are presented and analyzed in detail. Each model accounts for network and service architectures, operations processes and OSS efficiency and consists of a set of parameters that can be readily adjusted to reflect customer-specific benchmarks. Applying the models to several realistic applications reveals that voice trunk provisioning and maintenance costs can be reduced substantially by combining ATM switched virtual channel technology with a distributed voice gateway network architecture.