This article from Synopsys explains with the use of AMBA System environment we can configure it to instantiate as many number of AXI/AHB/APB VIP with minimal additional code.

To enable SOC verification engineers to create highly configurable AMBA fabric, the system environment should provide place-holders for hooking the DUT with any of the quintessential AMBA VIP components such as AXI3/4/ACE, AHB or APB.

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