Method, system and program product for behavioral simulation(s) of a network adapter within a computing node or across multiple nodes of a distributed computing environment

A system for simulating a network adapter comprising:

• a behavioral simulation of a network adapter for a computing unit of a computing environment;
• and
• means for mapping the behavioral simulation to system memory of the computing unit to allow for direct memory access, the mapping being such that a network adapter function issued by a user application process of the computing unit is transparently redirected to the behavioral simulation of the network adapter, to thereby invoke a desired functional behavior, wherein the user application process is unaware of the absence of the network adapter.

At least one program storage device, readable by a machine, tangibly embodying at least one program of instructions executable by the machine to perform a method for simulating a network adapter, said method comprising:

• providing a behavioral simulation of a network adapter for a computing unit of a computing environment;
• and
• mapping the behavioral simulation to system memory of the computing unit to allow for direct memory access, said mapping being such that a network adapter function issued by a user application process of the computing unit is transparently redirected to the behavioral simulation of the network adapter, to thereby invoke the desired behavior, wherein the user application process is unaware of the absence of the network adapter.