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BPMN simulation engine providing comprehensive BPSim capabilities for embedded use within desktop, server and cloud based business process solutions.

Simulation enables dynamic analysis of business processes, going beyond static diagrams and averaged numerical process verification. L-Sim is a comprehensive standards based simulation engine that can be embedded within BPM software platforms and solutions, delivering comprehensive support for predictive simulation execution.

L-Sim supports BPMN 2.0 Interchange format and the WfMC BPSim standard to enable simulation of BPMN based models and diagrams and a structured return of statistical results. L-Sim offers an extensive API for rapid integration, simple simulation control, visualisation options and is able to operate entirely through the exchange of serialized XML data.

LSim Architecture


L-Sim Delivers:

Powerful Java simulationSpecifically designed for the simulation of business processes 

Connectivity: L-Sim uses BPMN 2.0 Interchange format and BPSim standards, enabling the easy integration with host applications 

Support For BPMN: L-Sim contains objects that directly map and extend those in BPMN, including support for calendars and resource modelling

Six Reasons to include Predictive Simulation in your BPM Strategy.

  • Effective process design 
  • Identification of the best KPI's 
  • Justification/prioritization of Investments 
  • Optimisation of business rules
  • Effective staff deployment 
  • Maximized customer value

L-Sim Supports Common Standards

L-Sim natively supports the BPMN 2.0 Interchange and BPSim standards facilitating the exchange of models and analysis data required for simulation between business process platforms. More information can be found here.


BPSim is the common standard for parameterisation and exchange of process analysis data designed to encourage wider adoption of simulation within the BPM community. Read more about the BPSim standard.

What Our Partners Say

Lanner has a wide number of global partners successfully using L-Sim within their software products. See what they have to say below.

Karl Wagner, Software AG, a Leader in the Gartner 2016 Magic Quadrant for Enterprise Architecture Tools.

“Business process simulation is the most cost effective way to address “what if” experimentation of business process change, ensuring desired outcomes are achieved. As the initiators of the BPSim standards, Trisotech and Lanner have been key partners and contributors to both the practice and technology of business process simulation.”
Denis Gagné, Trisotech, a Cloud-based Digital Enterprise Platform.

“Providing users with the ability to predict how great ideas will impact actual business performance is extremely valuable in the BPM community."
Gustavo Gomez, CEO, Bizagi

“Our relationship with Lanner is a key milestone in ensuring our customers benefit from the very best Enterprise Architecture solutions benefitting from the latest standards such as BPMN 2.0 and BPSim.”
Tom O'Reilly, COO, Sparx Systems