About this question
Medium · networking · Quant Developer interview question · ipc, unix-domain-socket, priority-queue, stable-sort, networking, risk-check
In high-frequency trading, strategy and risk management processes communicate via low-latency Inter-Process Communication (IPC). These IPC channels must often function as priority queues to ensure time-sensitive messages are processed first. Implementing a stable, priority-based ordering is crucial for ensuring that critical market orders are risk-checked ahead of less urgent limit orders, while maintaining the original sequence for orders of equal priority. Task Implement the function prioriti