OPNET Modeler® accelerates the R&D process for analyzing and designing communication networks, devices, protocols, and applications. Users can analyze simulated networks to compare the impact of different technology designs on end-to-end behavior. Modeler incorporates a broad suite of protocols and technologies, and includes a development environment to enable modeling of all network types and technologies including:
- VoIP
- TCP
- OSPFv3
- MPLS
- IPv6
- Others

Create network models intuitively using a series of hierarchical editors that parallel the structure of real networks, equipment, and protocols
Key Features
- Fastest discrete event simulation engine among leading industry solutions
- Hundreds of protocol and vendor device models with source code (complete OPNET Model Library)
- Object-oriented modeling
- Hierarchical modeling environment
- Discrete Event, Hybrid, and optional Analytical simulation
- 32-bit and 64-bit fully parallel simulation kernel
- Grid computing support for distributed simulation
- Optional System-in-the-Loop to interface simulations with live systems
- Realistic Application Modeling and Analysis
- Open interface for integrating external object files, libraries, and other simulators
- Integrated, GUI-based debugging and analysis

Predict application performance using real traffic in a simulated mode
