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Medium · Networking & Systems · Quant Trader interview question · TCP, congestion control, networking, market data, high-frequency trading, latency
During periods of high market activity, your trading system experiences a sudden increase in the volume of incoming market data. This triggers TCP's congestion control mechanisms, causing the sending rate to decrease temporarily. Consider the following: - Your trading strategy relies on receiving the most up-to-date price quotes to make informed decisions. - Delayed or missing price updates can lead to adverse selection or missed trading opportunities. Why is TCP congestion control a potential p