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This is a narrow way of looking at UDP applications. The whole HFT, low-latency fintech world is built on top of datagrams. Using TCP would be pure the worst ch
by bitcharmer 2y ago
This is a narrow way of looking at UDP applications. The whole HFT, low-latency fintech world is built on top of datagrams. Using TCP would be pure the worst choice possible.
- AtlasBarfed 2y agoIs that because they mostly use dedicated links and intranets? A lot of Enterprise messaging is based on UDP, I think on the presumption that corporate networks are just simply going to be a lot more reliable
- bitcharmer 2y agoYou are correct, it's either point-to-point, like direct cross-connects with the exchange or it's a relatively small intranet. Additionally, an overwhelming majority of packets flying around are market data. You don't want to re-transmit lost ones because by the time you do, the data is already outdated.