ATM VP 중계망의 성능 시험을 위한 OPNET 기반의 시뮬레이션 모델 구현

Implementation of OPNET-based simulation model for the performance evaluation of A TM VP Transit network

In the forthcoming public ATM/B-ISDN, the efficient resource management with pre-planned transit networking which public domain NNI signaling is essential to maintain high network utilization and to assure QoS to the multimedia service users. For this purpose the transit networks must be managed according to the bearer service capability which is defined by ATM Forum and ITU-T. In this paper, we introduce an implementation of A TM transit networking with ATM VP-XC(Virtual Path cross-connect) and NMS(Network Management System). The functions of ATM VP-XC and NMS have been simulated with OPNET 6.1 modules. We implemented the F4 OAM functions of ATM VP connection according to the ITU-T I.610 recommendation. Also, the ATM VP transit networking is managed by the NMS according to the connection management architecture of the TMN(Telecornmunications Management Network) /TINA(Telecornmunications Information Networking Architecture)