Neither are involved in the intraday production critical path. Maybe I should have explicitly used that phrase.
FYI: "Answer: For various reasons, (2) is the natural entry point ( historicaldata can be used in lieu of real data, strategy requires data, and building an orderbooksimulator can initially obviate the need for true exchange order entry), so let’s start here."
FYI: "Answer: For various reasons, (2) is the natural entry point ( historical data can be used in lieu of real data, strategy requires data, and building an order book simulator can initially obviate the need for true exchange order entry), so let’s start here."