Today’s advanced UVM environments require more than a standard BFM to support environment reuse, randomized stimulus, generation of traffic scenarios, coverage collection, etc. For UVM environment infrastructure Questa VIP supports the operating modes required for block to top environment reuse as well as transaction monitoring and capturing from interfaces at any level of hierarchy within your design. For stimulus generation Questa VIP provides sequences and scenarios for constrained random generation as well as integration with the inFact algorithmic stimulus generation. For coverage closure Questa VIP also provides coverage models and test plans to help ensure adequate testing. These features allow verification teams to reuse design checking provided by environments and reuse coverage models from block level to top level simulation to accelerate coverage closure.