ce Optical Channel - Speed of Connection Object Identifier Operations Management Centre Operations Management Processor Operations Object Request Broker Operational Support System Abbreviations Optical Time Domain Reflectometer Policy-based Management Peak Cell Rate Pleisiochronous Digital Hierarchy Protocol Data Unit Physical Network Element Point of Presence Public System Telephone Network Permanent Virtual Circuit Quality of Service Radio Access Network RDBMS Relational Database Management System Request for Comment Remote Method Invocation Resource Management and Operations Return on Investment Resource Reservation Protocol Real-time Protocol RTTMS Real-time Traffic Management System Read/Write Segmentation and Reassembly Service Creation Environment Service Control Point Sustainable Cell Rate Synchronous Digital Hierarchy System Integrator Strategy, Infrastructure and Product Management Service Level Agreement Service Level Management Service Node Simple Network Management Protocol SONET Synchronous Optical Network Supplier/Partner Supplier/Partner Relationship Management Specific Type Service Quality Management Transmission Convergence Traffic Conditioning Agreement TCP/IP Transmission Control Protocol/Internet Protocol TL1 Command Set Time Division Multiplexing Trivial File Transfer Protocol Telecommunication Information Networking Architecture Transaction Language One Telemanagement Forum Telecommunication Management Network Abbreviations Telecommunications Management Networks and Systems Telecom Operations Map Trail Termination Point User Datagram Protocol User Interface UNI Management Entity Universal Mobile Telephone Service User-to-network Interface VBR-rt Variable Bit Rate - Real Time Virtual Circuit Virtual Channel Connection Virtual LAN VoDSL Voice-over Digital Subscribe Line Voice-over IP Virtual Path Virtual Path Connection Virtual Path Link Virtual Private Network Wide Area Network Wireless Application Protocol W-ATM Wireless ATM Web-based Network Management Web-based Enterprise Management Wirel